e-Newsletter-August 2026

 

HOD Corner

It gives me immense pleasure to present the August 2026 edition of the Electrical Engineering Department e-Newsletter. This month has been marked by a vibrant blend of academic learning, industry exposure, student achievements, research accomplishments, and meaningful alumni engagement.

Our expert lectures on industry readiness, career opportunities in Japan, and control panel design provided students with valuable insights beyond the classroom and helped them understand the expectations of the professional world. The industrial visits and regular internship progress reviews further strengthened our focus on experiential learning and industry–academia interaction.

I am particularly pleased to see the continued support of our alumni. The Silver Jubilee Alumni Scholarship instituted by the 2001 batch is a wonderful example of how our alumni can contribute to the growth and success of the next generation of engineers. Such initiatives strengthen the enduring bond between the department and its alumni.

The achievements of our students and faculty, including placements, research publications, and alumni interactions, are a reflection of our collective commitment to continuous learning and excellence. I also appreciate the efforts of our faculty members, students, and the newsletter team in documenting and sharing these activities.

As we move forward, our endeavor will remain to create an environment where students learn by doing, connect with industry, pursue innovation, and grow with confidence. I hope this newsletter provides a glimpse of the enthusiasm, efforts, and achievements of our Electrical Engineering family.

 Department Events

Expert Lecture on “Industry Ready Engineers” Conducted for TY Electrical Engineering Students (Div A & B) on 08/08/2026!

An Expert lecture has been arranged in association with IET on campus organized of electrical department on “Industry Ready Engineers” for TY Electrical Division A and B students and staff of the department on 8/8/2026. Resource Person: Mr Manoj Mandlik, Technology Centre Manager, ABB, Nashik. Total No. of Students present = 99. The expert lecture by Industry Ready Engineers provided students with valuable exposure to current industrial practices, emerging technologies, workplace requirements, and the latest trends in the engineering field. The session helped students understand the practical application of theoretical concepts and bridge the gap between academic learning and industry expectations. It enhanced their technical knowledge, problem-solving abilities, analytical thinking, communication skills, and professional awareness. The interaction with industry experts also enabled students to understand real-world challenges, project requirements, quality standards, safety practices, and the importance of teamwork and continuous learning. The lecture motivated students to develop industry-relevant competencies, improve their employability, and prepare themselves for successful careers in the engineering sector.

Expert Lecture on “Road to Japan: Career Opportunities for Engineers in Japan” Conducted for TY Electrical Engineering Students on 12/08/2026!

An Expert lecture has been arranged in association with IET on campus organized of electrical department on “Road to Japan: Career Opportunities for Engineers in Japan ” for TY Electrical Division: B students and staff of the department on 12/8/202. Resource Person: Mr. Jagdish Shinde, Founder, Samurai Language Gurukul.  Total No. of Students present = 62. The expert lecture “Road to Japan: Career Opportunities for Engineers in Japan” provided students with valuable insights into career opportunities for engineers in Japan. It helped students understand the technical skills, professional competencies, Japanese language proficiency, and workplace culture required to pursue engineering careers in Japan. The session also guided students regarding career preparation, job opportunities, interview skills, and the overall pathway to working in Japan. It motivated students to develop industry-relevant skills, improve their communication abilities, and explore international career opportunities for their professional growth.

Expert Lecture on “Control Panel Design” Conducted for TY Electrical Engineering Students on 13/08/2026!

An Expert lecture has been arranged in association with the IEEE Student Chapter of the Electrical Department on “Control Panel Design” for TY Electrical Division A and B students and staff of the department on 13/8/2026. Resource Person: Mr.Shrikant Jadhav, Sr. Design Engineer, Engineers Training Academy. Total No. of Students present = 129. The expert lecture on “Control Panel Design” provided students with practical insights into the design, layout, and functioning of electrical control panels used in industries and automation systems. The expert explained key components such as circuit breakers, contactors, relays, PLCs, and wiring systems, along with safety standards and design considerations for efficient operation. Students learned about panel schematic preparation, selection of components based on load requirements, and cable management techniques. The session helped bridge theoretical concepts with real-world applications, enhancing students’ understanding of industrial control systems and electrical design practices.

Silver Jubilee Alumni Scholarship 2001 Batch Award Ceremony!

The Department of Electrical Engineering is proud to share a heartwarming initiative by the 2001 Batch Alumni, which has now taken shape as a meaningful scholarship program for deserving students.

The alumni had envisioned instituting a scholarship in April 2026 to support and encourage meritorious students. This noble initiative became a reality on 8 August 2026, with the successful organization of the Silver Jubilee Alumni Scholarship 2001 Batch Award Ceremony.

The ceremony was graced by Hon. Director Dr. Keshav Nandurkar and Head of the Department Dr. Ravindra Munje. Mr. Tejas Pagar and Mr. Shivadarshan Kondekar were felicitated as the recipients of the prestigious scholarship. The awards were presented by Dr. Manoj Mandlik and Shri Sandeep Kulkarni, an alumnus of the 2001 batch.

The Department expresses its sincere gratitude to the 2001 Batch Alumni for their generous contribution and continued commitment to supporting and nurturing the next generation of engineers. This initiative reflects the enduring bond between the alumni and their alma mater and serves as an inspiring example of giving back to society and supporting student success.

Student Corner

Celebrating Student Success! 🎉

We are delighted to share that Mr. Prafulla Bhagat, a student of the Department of Electrical Engineering, has been successfully placed with a reputed multinational company (MNC) for the Academic Year 2026–27.

This achievement reflects Praful’s dedication, perseverance, technical skills, and consistent efforts towards building a successful professional career. His accomplishment is a proud moment for the student and a testament to the continuous efforts of the faculty, department, and institute in supporting students’ career development.

Heartiest congratulations to Mr. Prafulla Bhagat! 🎓👏

We wish him continued success and a bright professional journey ahead. May this achievement mark the beginning of many more milestones in his career.

A proud moment for the student, faculty, department, and institute! 🌟

Industrial Visit to 132/33 kV Satpur MIDC Substation - T.Y. Electrical
(Div. A)

On 14 August 2026, the Department of Electrical Engineering organized an industrial visit to the 132/33 kV Satpur MIDC Substation, Nashik, for T.Y. B.Tech. Electrical Engineering (Division A) students.

The visit provided students with valuable exposure to the practical aspects of electrical power transmission and distribution. Students observed substation equipment, protection and switching arrangements, and safety practices, enabling them to relate classroom concepts to real-world power system applications.

Such industrial visits play an important role in enhancing students’ practical knowledge, technical curiosity, and industry readiness. The visit was coordinated by Dr. Abhishek Srivastava and Prof. Rupali Milind Patil.

Learning becomes more meaningful when students can see, observe, and experience the concepts they study in the classroom.

Industrial Visit to 132/33 kV Satpur MIDC Substation – T.Y. Electrical (Div. B)

On 17 August 2026, the Department of Electrical Engineering organized an industrial visit to the 132/33 kV Satpur MIDC Substation, Nashik, for T.Y. B.Tech. Electrical Engineering (Division B) students.

The visit was conducted by Mr. Shashank Deore, Deputy Executive Engineer, and provided students with valuable exposure to the practical aspects of electrical power transmission and distribution. Students observed substation equipment, protection and switching arrangements, and safety practices, helping them connect theoretical concepts with real-world applications.

Such industrial visits play an important role in enhancing students’ practical understanding, technical curiosity, and industry readiness. The visit was coordinated by Dr. Abhishek Srivastava and Prof. Rupali Milind Patil.

Internship Progress Review Visit to Technocrats Control Systems Pvt. Ltd.

On 17 August 2026, Dr. Abhishek Srivastava visited Technocrats Control Systems Pvt. Ltd., Nashik, to review the progress of students undergoing internships at the organization.

During the visit, he interacted with Mr. Anup Pandav and Mr. Rahul Minde, Industry Mentors, to discuss the students’ performance, learning outcomes, and overall internship progress.

The students were actively engaged in their assigned activities and gaining valuable practical exposure to industrial practices and the professional work environment. The visit provided an excellent opportunity to strengthen the industry–academia connect and promote experiential learning.

Industry Internship Progress Visit to Powerinst Electromagnets Pvt. Ltd

On 14th August 2026, Prof. Rupali Milind Patil visited Powerinst Electromagnets Pvt. Ltd., Nashik, to review the internship progress and learning outcomes of final-year students. During the visit, discussions with the industry mentor focused on the students’ technical skills, work quality, discipline, communication, teamwork, and overall professional performance.

The interaction provided valuable insights into the students’ industry exposure and highlighted opportunities to further strengthen industry–institute collaboration through internships, live projects, expert interactions, and future industry engagement.

Industry Internship Progress Visits

On 24th August 2026, Prof. Ashwini Khaire and Prof. Nikhil Gaikwad visited Neelay Industries, Powerinst Electromagnets Pvt. Ltd. – Unit 1 & Unit 2, and Revamp Moto Pvt. Ltd. to review the progress and learning experiences of students undergoing internships.

During the visits, the faculty members interacted with industry experts and mentors to understand the students’ technical learning, performance, involvement, discipline, and overall progress.

Regular industry interactions play an important role in ensuring that students gain meaningful hands-on experience, professional exposure, and industry-relevant skills. These visits also contribute to strengthening industry–institute collaboration through continuous engagement and knowledge sharing.

We sincerely appreciate the support, guidance, and valuable mentorship extended by our industry partners towards the professional development of our students. 🌱⚡

Industry Internship Progress Visit to Fox Solutions Pvt. Ltd.

On 24th August 2026, Dr. Prajakta Dhole and Prof. Hemant Patil visited Fox Solutions Pvt. Ltd. to review the progress and learning experiences of students pursuing their internships at the industry.

During the visit, they interacted with industry professionals and mentors to discuss the students’ technical learning, performance, involvement, and overall internship progress. Such industry interactions provide valuable insights into students’ workplace exposure and help ensure that their internship experience contributes meaningfully to their professional development and industry readiness.

We sincerely appreciate Fox Solutions Pvt. Ltd. for providing our students with a valuable opportunity to learn, explore, and gain hands-on real-world industry experience. 🌱⚙️

Industry Internship Progress Visit to Vedant Engineering Services

On 25th August 2026, Dr. Abhishek Srivastava, along with Dr. Anand Kumar, visited Vedant Engineering Services and Progressive Enterprises Ltd. to review the progress of students undergoing internships at the respective organizations.

During the visit, they interacted with Industry Mentors to discuss the students’ performance, attendance, participation, learning, and overall progress. The mentors reported that the students were progressing satisfactorily, regularly attending the industry as per the prescribed schedule, and actively participating in assigned activities.

The visit provided valuable insights into the students’ practical exposure, learning outcomes, industrial practices, and areas for further improvement. The Industry Mentors were encouraged to continue providing appropriate guidance and hands-on exposure throughout the remaining internship period.

Overall, the students’ progress was found to be satisfactory, reflecting their commitment to gaining meaningful industrial experience and developing essential technical and professional competencies.

Faculty Corner

🎉 Congratulations on Research Publication!

The Department of Electrical Engineering proudly congratulates Dr. Saravanan S. and the co-authors on the successful publication of the research article “Maximizing Photovoltaic Efficiency Using Dual Core Boost Converter and Artificial Intelligence-Based MPPT” in Electric Power Systems Research (Elsevier), a reputed SCI/SCIE-indexed international journal.

The research highlights advancements in photovoltaic energy conversion, power electronics, and AI-based Maximum Power Point Tracking (MPPT), contributing to the development of intelligent and efficient renewable energy systems.

This achievement reflects the dedication, research excellence, and continuous pursuit of innovation by the faculty and research team.

Heartiest congratulations on this remarkable academic achievement! 🌟👏

Alumni Interaction with Ms. Diksha Aher on Placement Readiness

On 18 August 2026, the Department of Electrical Engineering was delighted to welcome its proud alumna, Ms. Diksha Aher, for an inspiring interaction with Second-Year Electrical Engineering students.

Recently placed at Burns & McDonnell, Ms. Diksha shared valuable insights on interview preparation, effective study strategies, and placement readiness. Her practical guidance encouraged students to begin their preparation early, remain consistent in their efforts, and set ambitious career goals.

The interaction provided students with valuable perspectives from an alumna’s own placement journey and further strengthened the alumni–student connect.

Student Article

The Digital Brain of an Electric Vehicle: DSP Architecture and Motor Control

Pradnya Satish Bhandare TY-B, (Electrical)

psbhandare370624@kkwagh.edu.in

An Electric Vehicle (EV) is not controlled only by its battery and motor. Sensors, digital controllers, power electronics and feedback systems work together to provide smooth and efficient operation. A Digital Signal Processor (DSP) processes signals from the vehicle, performs control calculations and generates commands for the motor inverter. This article explains the signal journey from the accelerator pedal to the motor, including ADC, DSP processing, digital filtering, PWM, inverter, closed-loop control, BMS and fault detection.

1. Introduction

The interesting part of an EV is not only the battery or motor; it is the continuous communication between the physical vehicle and its digital controller. When a driver presses the accelerator, the action is converted into an electrical signal. The controller interprets that signal, calculates the required torque or speed response and commands the inverter. Sensors then measure the actual response and send it back for correction. This is a real-time closed-loop system.

Modern motor-control digital signal controllers commonly combine a processor core with high-speed ADCs and motor-control PWM peripherals. Such hardware is specifically intended for fast control of motors including PMSM, BLDC and induction motors.

Fig 1. Simplified EV DSP Signal Journey

2. From Driver Command to Digital Data

The accelerator position is normally measured by an accelerator position sensor (APS). The sensor produces an electrical signal related to pedal position. Similar sensing is used for motor current, DC-link voltage, rotor position or speed and temperature. These signals form the information layer of the control system.

2.1 Analog-to-Digital Conversion (ADC)

Most physical measurements are analog, while the DSP executes numerical calculations. The ADC is the bridge between the two domains. Three useful steps are sampling, quantization and encoding.

•         Sampling: the analog signal is measured at discrete time instants.

•         Quantization: each sample is assigned to one of the available amplitude levels.

•         Encoding: the selected level is represented as a binary number.

For a 12-bit ADC, the ideal number of discrete codes is 2¹² = 4096. The actual usable accuracy also depends on the ADC architecture, reference, noise, signal conditioning and other implementation details.

Fig 2.  Analog to Digital Conversion

2.2 Sampling and Signal Quality

Sampling must be fast enough to represent the signal being measured. The Nyquist principle states that the sampling frequency should be greater than twice the highest frequency component of interest. In a motor-control system, the practical sampling rate is selected from the required control bandwidth, switching frequency, sensor dynamics and processor capability.

2.3 Why Signal Conditioning Matters

The raw sensor signal can contain switching noise, electromagnetic interference and measurement errors. Analog conditioning may be used before the ADC, while digital filtering can be applied after conversion. Good sampling and filtering are important because a controller can only make a reliable decision when its input data is reliable.

This creates the first important engineering chain:  Physical quantity → Sensor → Signal conditioning → ADC → Digital data.

3. The DSP: Processing the Motor-Control Problem

After the ADC produces digital values, the controller performs the calculations needed for motor control. A common high-performance approach for PMSM and related AC motor drives is Field-Oriented Control (FOC). FOC uses mathematical transformations so that the controller can regulate motor variables in a rotating reference frame.

Fig 3. Simplified DSP Processing Chain

3.1 Clarke and Park Transformations

Three-phase currents are first represented in a two-axis stationary reference frame using the Clarke transformation. The Park transformation then rotates this representation into a d-q reference frame. In this frame, the controller can regulate components associated with flux and torque more conveniently. The transformations are mathematical tools that simplify the control problem; they do not physically change the motor currents.

3.2 Field-Oriented Control and PI Controllers

FOC uses measured currents and rotor position or an estimated position to determine the required voltage commands. Inner current-control loops are commonly implemented with PI controllers, while a speed loop can generate the current or torque reference. The exact control structure depends on the motor and application. Microchip's motor-control documentation describes DSCs with DSP engines, fast ADCs and PWM peripherals for FOC and precise speed, position and torque control.

3.3 Digital Filtering

The controller may also filter measured signals. FIR (Finite Impulse Response) and IIR (Infinite Impulse Response) filters are two common digital-filter families. Filter selection is a design trade-off involving computational load, delay, phase behaviour, stability and noise attenuation. Excessive filtering can introduce delay, so the filter must be designed together with the control loop.

3.4 Why Fast Real-Time Processing is Needed

Motor current and position can change rapidly. The controller must complete sensing, calculation and PWM-update tasks within a predictable time. Dedicated motor-control DSCs are designed with peripherals such as fast ADCs, high-resolution PWM and DSP acceleration specifically to support this type of deterministic real-time control.

Thus, the DSP is best understood as the computational centre of the control loop: it turns measurements and commands into a continuously updated motor-control decision.

4. From Digital Command to Motor Torque

4.1 PWM Generation

The DSP cannot directly apply the high voltage required by a traction motor. Instead, it produces PWM commands. PWM represents the desired switching behaviour using digital pulses whose duty cycle and timing are controlled by the processor. The PWM outputs are passed through gate-drive circuits to the power switches of the inverter.

For three-phase drives, PWM methods such as sinusoidal PWM and Space Vector PWM (SVPWM) can be used. The selected method, switching frequency and modulation strategy depend on the power stage, motor and performance requirements.

4.2 Three-Phase Inverter

The traction inverter is the power interface between the DC battery and the AC traction motor. It switches the DC bus to create controlled multiphase voltage and current. Texas Instruments describes the EV traction inverter as a central part of the EV powertrain and notes that the control processor samples voltage/current, executes FOC and actuates power switches through PWM.

The chain is therefore: DSP → PWM → Gate Driver → Power Switches → Three-Phase Inverter → Motor.

4.3 Feedback: Closing the Loop

After the motor receives power, the controller still needs to know what actually happened. Current sensors provide electrical feedback, while speed or position sensing provides mechanical information. The controller compares the reference with measured values and corrects the command when an error occurs.

Fig 4. Closed-Loop EV Motor Control

For example, if the requested speed is higher than the measured speed, the speed-control loop produces an error. The controller responds by changing the torque-producing command, which changes the PWM and inverter output. When the measured speed approaches the reference, the error reduces.

4.4 Power-Semiconductor Technology

The inverter may use silicon (Si) or wide-bandgap devices such as silicon-carbide (SiC) MOSFETs, depending on the system requirements. Device choice affects switching loss, thermal design, efficiency, cost and electromagnetic behaviour. [4]

This shows why EV control cannot be treated as software alone: the digital controller, sensing system and high-power switching stage must be designed as one control system.

 

5. BMS, SOC and Fault Detection

5.1 Battery Management System

The Battery Management System (BMS) supervises the battery pack. Its monitoring functions can include cell voltage, pack current and temperature. It also supports protection and cell balancing. The BMS therefore provides a second major control layer alongside traction-motor control.

Fig 5. Simplified BMS and Fault Detection Path

5.2 State-of-Charge Estimation

State of Charge (SOC) represents the estimated remaining usable charge of the battery. A simple technique is Coulomb counting, which integrates current over time. Model-based approaches such as Kalman-filter methods can combine measurements with a battery model. Data-driven approaches, including neural networks, can also be used when suitable training data are available.

No single SOC method is perfect under every operating condition. Sensor offset, temperature, battery ageing and model mismatch can influence the estimate. For this reason, practical battery-management systems use carefully designed estimation and validation methods.

5.3 Fault Detection and Functional Safety

A real-time EV controller must detect abnormal signals and respond safely. Examples include excessive current, abnormal cell voltage, excessive temperature, sensor faults and inverter-switching faults. A simplified fault path is: Signal input → conditioning → limit or diagnostic check → protective action.

Automotive functional safety is addressed by the ISO 26262 family for safety-related electrical/electronic systems in road vehicles. ISO describes the standard as covering functional-safety activities across the vehicle development lifecycle, including system, hardware and software development.

5.4 Complete EV Digital Architecture

Putting the sections together gives a useful system-level picture: sensors acquire physical information; ADCs digitize it; the DSP executes filtering and control algorithms; PWM and gate drivers command the inverter; the inverter supplies the motor; and feedback returns measured information to the controller. In parallel, the BMS monitors battery conditions and protection logic supervises faults. This architecture is the key idea of the article: an EV is a tightly coupled cyber-physical system in which digital computation continuously interacts with electrical power and mechanical motion. 

Fig. 6. Complete EV Digital Architecture

6. Practical Signal Journey: One Accelerator Press

Consider a simple event: the driver presses the accelerator to request more speed.

•         The accelerator position sensor detects the pedal movement.

•         Signal conditioning and the ADC convert the sensor output into digital data.

•         The DSP reads the new command and checks it against operating limits.

•         FOC and speed/current control algorithms calculate the required motor command.

•         The PWM module generates accurately timed switching commands.

•         Gate drivers operate the inverter switches.

•         The inverter applies controlled three-phase electrical power to the motor.

•         Current and speed/position sensors measure the actual response.

•         The feedback is returned to the control algorithm, which corrects the command continuously.

•         The BMS and diagnostic functions operate in parallel to supervise battery and system safety.

7. Conclusion

The digital control system is one of the most important parts of a modern electric vehicle. The DSP or digital signal controller connects sensing, mathematical control and power electronics in real time. Starting from the accelerator command, the signal passes through sensing and ADC, is processed using filtering and motor-control algorithms such as FOC, and is converted into PWM commands for the inverter. The motor response is then measured and fed back to close the loop. Battery monitoring, SOC estimation and fault detection add further layers of supervision. Understanding this complete signal journey helps electrical engineering students see how DSP, control systems, power electronics, electric machines and battery technology work together in a real EV.

e-Newsletter-July 2026

 HOD Corner

It gives me immense pleasure to present the July 2026 edition of the Electrical Engineering Department Newsletter. The beginning of the academic year has been marked by renewed enthusiasm, purposeful engagement, and several initiatives aimed at strengthening our students academically, professionally, and personally.

This month, we witnessed a vibrant blend of industry interaction, skill development, academic excellence, alumni engagement, and social responsibility. The industry expert session on distribution infrastructure and policy provided our students with valuable insights into the relationship between engineering, policy, and real-world challenges. The inauguration of the Skilling Program on Electric Vehicle Technology further strengthened our commitment to preparing students for emerging technologies and future career opportunities.

I am particularly happy to see our students being recognized for academic excellence, receiving guidance from our distinguished alumni, gaining hands-on experience through internships, and participating in initiatives beyond the classroom. The Guru Purnima celebration and tree plantation activity reflect the values of gratitude, responsibility, and social commitment that we strive to nurture in our students.

Our alumni continue to be an important bridge between academia and industry. Their interactions with students provide authentic perspectives on professional life and help our students understand the skills and competencies required to succeed in the workplace.

The student article on Electric Vehicles, Power Electronics, Battery Management, and Sustainable Mobility is another encouraging example of our efforts to promote technical curiosity and research-oriented thinking among students.

As we move forward into Academic Year 2026–27, our focus remains clear: to create an environment where every student learns, explores, innovates, collaborates, and grows with confidence. I encourage our students to make the most of every opportunity, develop a habit of continuous learning, and connect their classroom knowledge with real-world applications.

I congratulate all students, faculty members, alumni, and the newsletter team for their valuable contributions to this edition. Let us continue our collective journey towards excellence in education, innovation, research, industry engagement, and responsible engineering.

Department Events

Powering Perspectives: Industry Expert Session on Distribution Infrastructure & Policy

On 24th July 2026, the Department of Electrical Engineering had the privilege of hosting an insightful session by Mr. Ankur Kawale, Chief Engineer (Distribution), MSEDCL, Mumbai.

Mr. Kawale shared valuable perspectives on a recent public notice inviting stakeholder suggestions for formulating guidelines on land and space requirements for substations, transformers, and allied electrical infrastructure. His session beautifully connected technical concepts with regulatory frameworks and real-world challenges in power distribution.

Students gained a deeper understanding of how engineering decisions are influenced by policy, planning, and societal needs, along with the importance of active stakeholder participation in shaping infrastructure development. We sincerely thank Mr. Kawale for his time and for inspiring our students with practical insights from the power sector.

Inauguration of the Skilling Program on Electric Vehicle Technology

We successfully inaugurated the Skilling Program on Electric Vehicle Technology today, marking an important step towards empowering students with future-ready skills in sustainable mobility. The program was inaugurated at the hands of Shri Amitabh Sinha and Prof. Prasad Joshi. The day began with an insightful first session by Prof. Prasad Joshi, followed by an engaging and industry-oriented session by Shri Amitabh Sinha. Adding a practical dimension, the third session was conducted by our students, where they showcased and explained the electric vehicle developed by them—a proud moment for the department!  The entire program is being effectively coordinated by Dr. Abhishek Srivastava, whose efforts are instrumental in making this initiative impactful.

Guru Purnima Celebration by EFFECT Student Body

On 29th July 2026, the EFFECT Student Body of the Department beautifully celebrated Guru Purnima by expressing gratitude to all the teachers of the department and institute.

Through heartfelt wishes and by seeking blessings, students acknowledged the invaluable guidance, knowledge, and inspiration imparted by their mentors.

Such moments truly reflect the strong bond between teachers and students and uphold the rich tradition of respecting our Gurus.

Student Corner

Celebrating Success, Honoring Support

The parents of our students — Deore Bhuvanesh, Avishkar Gurgude, Mansi Shinde, Pramod Kurhade, Siddhi Karhad, Ekata Jamdhade, and Atharva Bhosale — were felicitated at the Training and Placement Cell on 10th July 2026, in recognition of their wards’ successful placements in multinational companies. This occasion was a heartfelt acknowledgment of the constant encouragement, values, and support provided by the parents, which play a crucial role in shaping students’ achievements The program was graciously attended by Dr. Pramod Shahabadkar Dr. Ravindra Munje, Dr Prashant Kushare, Dr. Vandana Bagal and Dr. Saravanan S.  We extend our heartfelt congratulations to all the students for this remarkable accomplishment and wish them great success in their professional journey ahead.

Industry Connect: Faculty Visit to BOOST ELECTRONICS, Ambad!

On 15th July, faculty members from the Department of Electrical Engineering, Dr. Ravindra Munje, Prof. Rupali Milind Patil, Prof. Merin John, and Dr. Shashank Tripathi — visited BOOST ELECTRONICS, Ambad. The visit was aimed at reviewing the performance and progress of our students currently undergoing internships at the organization. It provided a valuable opportunity to interact with both the interns and industry professionals, understand real-world expectations, and ensure meaningful industry-academia collaboration.

We are happy to see our students gaining hands-on experience and contributing effectively in a professional environment. Such visits strengthen our commitment to bridging the gap between classroom learning and industry practices.

Strengthening Industry–Academia Collaboration at Powerinst Electromagnets!

As part of our continuous industry engagement, Prof. Rupali Milind Patil and Prof. Merin John visited Powerinst Electromagnets Pvt. Ltd., Nashik on 17th July. During the visit, they interacted with Mr. Archit Kulkarni and reviewed the work and learning progress of our interns at the organization. The interaction provided valuable insights into industry practices and helped strengthen the institute–industry connection. Such visits play a vital role in ensuring meaningful internship experiences and aligning academic learning with real-world applications.

New Beginnings, New Aspirations: Welcoming Third-Year Students!

The start of a new academic year is more than just the resumption of classes—it is a renewed commitment to inspire, guide, and empower our students for the journey ahead.

The Department of Electrical Engineering warmly welcomed our Third-Year students on the very first day of the academic year with a small gesture—a flower symbolizing encouragement, positivity, and new beginnings.

During the interaction, we shared the vision and mission of our institute and department, outlined our academic goals, and highlighted key initiatives focused on holistic student development. We reaffirmed our commitment to providing quality education, mentorship, internships, skill development opportunities, and career guidance. At the same time, we emphasized that dedication, discipline, consistency, and hard work are the true drivers of success.

We also had the privilege of felicitating students who demonstrated exceptional academic performance in the previous year:

• Shivdarshan Kondekar

• Vivek Rajgure

• Avadhuth Bodke

• Shantanu Pawale

• Aditi Chavan

• Sakshi Gunjal

• Aarya Dharkar

• AFFAN SHAIKH

• Purva Rane

• Aaditya Tayade

Our collective goal remains clear—to empower every student with the knowledge, skills, values, and confidence required to build a successful career and emerge as responsible professionals. Wishing all our students and colleagues a successful, productive, and inspiring Academic Year 2026–27.

New Beginnings, New Aspirations: Welcoming Second-Year Students!

The Department of Electrical Engineering warmly welcomed our Second-Year students on the very first day, 9th July 2026, of the new academic year with a small gesture—a flower symbolizing encouragement, positivity, and new beginnings. During the interaction, we shared the vision and mission of our institute and department, outlined our academic goals, and highlighted key initiatives focused on holistic student development. We reaffirmed our commitment to providing quality education, mentorship, internships, skill development opportunities, and career guidance—while emphasizing that dedication, discipline, consistency, and hard work remain the true drivers of success.

Felicitating Excellence

We also had the privilege of felicitating students who demonstrated exceptional academic performance in the previous year:

Sanap Chanchal Rajesh

Pagare Tanuja Vijay

Patil Neha Sunil

Mahajan Khelesh Satish

Dhangar Pranjal Arun

Shinde Shreya Ranjeet

Tvisha Sachin Mishra

Jadhav Mansi Sunil

Patil Piyush Amit

Jadhav Prajakta Anant

Rokade Neha Sanjay

Kokane Simran Vishal

Congratulations to all of you—your hard work is an inspiration to your peers!

Our collective goal remains clear: to empower every student with the knowledge, skills, values, and confidence required to build a successful career and emerge as responsible professionals.

Wishing all our students and colleagues a successful, productive, and inspiring Academic Year 2026–27! 

Empowering Future Researchers: M.Tech Student Interaction & Felicitation 2026!

We were delighted to welcome our Second-Year M.Tech students on 23rd July 2026 and felicitate the toppers of the First Year for their outstanding academic achievements.

During the session, we shared the vision and mission of the institute and the department, emphasizing our commitment to excellence in education, research, and innovation. The students were also guided on research opportunities and projects, encouraging them to explore impactful and meaningful contributions in their respective domains.

The event was graced by the presence of Dr. Ravindra Munje, Dr. Abhishek Srivastava, Dr. Anand Kumar, Prof. Nayana Jangle, Prof. Sudhir Shinde, and Dr. Saravanan S. Congratulations to all the achievers, and best wishes to our M.Tech students for a successful academic and research journey ahead! 

Avishkar Club Participates in Tree Plantation Drive at Nashik Vanarai

On 19th July 2026, the Avishkar Club of the Department of Electrical Engineering actively participated in a tree plantation drive at Nashik Vanarai, contributing towards environmental sustainability and community well-being.

The initiative was coordinated by Prof. Nikhil Gaikwad, whose efforts motivated students to take a step beyond academics and engage in meaningful ecological responsibility. The activity not only promoted awareness about the importance of greenery but also instilled a sense of social commitment among the participants.

Such initiatives reflect our department’s dedication to nurturing responsible engineers who contribute towards a sustainable future.

Faculty Corner

Distinguished Alumnus Mr. Amol Jagtap Visits the Electrical Engineering Department

It was a pleasure to welcome our distinguished alumnus, Mr. AMOL JAGTAP, to the Electrical Engineering Department at K K Wagh Institute of Engineering Education and Research, Nashik. He was accompanied by his wife, Mrs. Madhuri Jagtap.

The conversation was enriching as we discussed student placements, internship opportunities, and the possibility of expert sessions to bridge academia and industry.

⚡ Alumni Connect 2026: Inspiring Students Through Industry Insights!

On 9th July 2026, the Department of Electrical Engineering, K K Wagh Institute of Engineering Education and Research, had the pleasure of welcoming back two of its accomplished alumni from the 2012 batch:

Mr. Atul Magotra – currently associated with Schneider Electric

Ms. Romiya Tripathi – currently associated with Lucy Electric

Both alumni interacted warmly with current students, sharing valuable insights from their professional journeys and guiding them on career opportunities and the path ahead in the electrical engineering industry. We thank Mr. Atul and Ms. Romiya for taking the time to visit and mentor our students! Proud of our alumni, proud of their journey!

Alumni Insights: Building Strong Foundations for a Successful Career!

We were delighted to welcome our distinguished alumnus, Mr. Harshal Bhavsar, to the Department of Electrical Engineering on 21st July 2026.

During his visit, he interacted with our students and shared valuable insights from his professional journey. He emphasized a powerful message — “Whatever you learn during your graduation plays a crucial role in your professional career.”

His words served as a strong reminder for students to build a solid foundation during their academic years.

Student Article

Electric Vehicles: Power Electronics, Battery Management and the Future of Sustainable Mobility

Shraddha Rahul Chavan. Final Year B.Tech (Electrical)

chavhanshradha689@gmail.com

Abstract

Electric Vehicles (EVs) are emerging as a major technology for transforming the transportation sector and reducing dependence on conventional fossil fuels. Rapid developments in battery technology, power electronics, charging infrastructure, renewable energy integration, and intelligent control systems have significantly improved EV performance and reliability. Global electric car sales exceeded 17 million in 2024, representing more than 20% of new car sales worldwide, highlighting the rapid transition towards electric mobility. This article presents an overview of the major technologies associated with EVs, with particular emphasis on battery systems, power electronic converters, Battery Management Systems (BMS), electric motor drives, and charging infrastructure. The challenges associated with battery degradation, charging time, thermal management, grid impact, and charging infrastructure are also discussed. Finally, emerging technologies such as bidirectional charging, vehicle-to-grid (V2G), artificial intelligence-based battery management, wide-bandgap semiconductor devices, and renewable-energy-based charging are highlighted as important directions for the future of electric mobility.

Keywords

Electric Vehicle, Power Electronics, Battery Management System, EV Charging, Motor Drive, V2G, Renewable Energy.

1. Introduction

Transportation is one of the major contributors to energy consumption and greenhouse gas emissions. Conventional internal combustion engine vehicles depend heavily on petroleum-based fuels and involve significant energy losses through combustion and mechanical components. Electric Vehicles provide an alternative approach in which electrical energy is converted into mechanical energy through an electric motor.

The global EV market has expanded rapidly in recent years. According to the International Energy Agency (IEA), global electric car sales exceeded 17 million in 2024, with electric vehicles accounting for more than one-fifth of new car sales worldwide. This growth is supported by technological developments, government policies, declining battery costs, increasing charging infrastructure, and growing consumer awareness.

An EV is not simply a vehicle with a battery replacing a fuel tank. It is an integrated electrical and electronic system consisting of a battery pack, Battery Management System, power electronic converters, electric motor, motor controller, charging system, thermal management system, sensors, communication networks, and vehicle control units.

Among these components, power electronics plays a central role because it controls the flow of electrical energy between the battery, motor, charger, and other auxiliary systems. 

The major electrical components of an EV can be represented conceptually as:

Battery Pack → DC–DC Converter → Inverter → Electric Motor → Mechanical Drive

The battery pack stores electrical energy and supplies power to the vehicle propulsion system. A DC–DC converter regulates the voltage supplied to different electrical loads, while the inverter converts DC power from the battery into controlled AC power for the traction motor.

2.1 Battery System

The battery is one of the most important and expensive components of an EV. Lithium-ion batteries are currently widely used because of their high energy density, relatively long cycle life, and suitable power characteristics. However, battery performance is affected by temperature, charging/discharging rates, depth of discharge, aging, and operating conditions.

The battery pack generally consists of a large number of cells connected in series and parallel to obtain the required voltage and capacity. Safe operation requires continuous monitoring of cell voltage, current, temperature, State of Charge (SOC), and State of Health (SOH).

2.2 Battery Management System

The Battery Management System is responsible for monitoring and controlling the battery pack. Its important functions include SOC estimation, SOH estimation, cell voltage monitoring, cell balancing, temperature monitoring, overvoltage and undervoltage protection, overcurrent and short-circuit protection, thermal management, and fault detection and diagnosis.

Recent research has explored artificial intelligence, fuzzy logic, neural networks, particle swarm optimization, and other intelligent techniques for improving SOC and SOH estimation. Accurate SOC estimation is particularly important because the vehicle control system must know how much usable energy remains in the battery. Similarly, SOH estimation provides information about battery ageing and remaining useful life.

3. Role of Power Electronics in Electric Vehicles

Power electronics acts as the energy-management interface between different components of an EV. Efficient conversion and control of electrical energy directly influence vehicle range, acceleration, charging performance, and overall efficiency.

3.1 DC–DC Converters

DC–DC converters are used to regulate voltage between the battery and other electrical systems. Depending on the vehicle architecture, buck, boost, buck-boost, isolated, and bidirectional converters may be used.

A bidirectional DC–DC converter is particularly useful in EV applications because power can flow in both directions. During vehicle operation, energy flows from the battery towards the motor. During regenerative braking, electrical energy generated by the motor can flow back towards the battery.

High-efficiency converter topologies are therefore an important research area. Reduced conduction losses, lower switching losses, soft-switching techniques, high-frequency operation, and advanced control strategies can improve converter efficiency and power density.

3.2 Inverter and Motor Drive

The traction inverter converts the DC voltage from the battery into controlled AC voltage and current for the electric motor. The inverter must provide fast dynamic response, high efficiency, low electromagnetic interference, and reliable operation.

Common motor technologies used in EVs include Permanent Magnet Synchronous Motors (PMSM), Brushless DC Motors (BLDC), Induction Motors, and Switched Reluctance Motors.

PMSMs offer high efficiency and power density, while induction motors provide advantages such as robustness and reduced dependence on permanent magnets. Motor selection depends on vehicle performance requirements, cost, efficiency, torque-speed characteristics, and operating conditions.

Advanced modulation and control methods such as Space Vector PWM, Field-Oriented Control, Direct Torque Control, and model predictive control are used to achieve precise motor operation.

 4. EV Charging Technology

Charging infrastructure is a critical factor in the large-scale adoption of EVs. Charging systems can broadly be classified into AC charging and DC fast charging.

 4.1 AC Charging

In AC charging, the vehicle's onboard charger converts AC power from the grid into controlled DC power for charging the battery. Onboard chargers generally consist of a power factor correction stage followed by an isolated or non-isolated DC–DC converter.

Power Factor Correction is important because it reduces input current distortion and improves utilization of the electrical grid.

 4.2 DC Fast Charging

In DC fast charging, the AC-to-DC conversion stage is located in the charging station rather than inside the vehicle. This allows higher charging power and significantly reduces charging time.

However, high-power charging creates challenges related to grid loading, battery thermal stress, charging infrastructure cost, power quality, and demand management. Charging infrastructure planning is therefore becoming an important research area, particularly in countries such as India where EV adoption is increasing rapidly.

 5. Regenerative Braking

One of the major advantages of EVs is regenerative braking. In a conventional vehicle, a significant portion of kinetic energy is dissipated as heat through mechanical brakes. In an EV, the traction motor can operate as a generator during deceleration.

The energy conversion process can be represented as:

Vehicle Kinetic Energy → Electric Motor/Generator → Power Converter → Battery

Regenerative braking improves overall vehicle efficiency and can increase driving range. However, the amount of recoverable energy depends on vehicle speed, battery SOC, battery temperature, motor characteristics, and road conditions.

An intelligent energy management system is therefore required to coordinate regenerative braking with mechanical braking while maintaining passenger safety and battery operating limits.

6. Thermal Management and Battery Safety

Battery temperature has a significant effect on EV performance, lifetime, and safety. Excessive temperature can accelerate battery degradation and, under severe conditions, may contribute to thermal runaway.

Battery thermal management techniques include air cooling, liquid cooling, phase-change-material cooling, heat-pipe-based cooling, and advanced integrated thermal management.

Thermal management is not limited to the battery. The motor, inverter, DC–DC converter, onboard charger, and other high-power electronic components also produce heat and require appropriate cooling mechanisms.

 7. Renewable Energy Integration with EVs

The environmental benefits of EVs can be enhanced by integrating renewable energy sources such as solar photovoltaic and wind energy with EV charging infrastructure.

A solar-powered EV charging station can be structured as:

Solar PV → DC–DC Converter → DC Bus → EV Charger → Battery

Such systems can reduce dependence on grid electricity and enable clean energy-based transportation. Battery energy storage can also be integrated with charging stations to reduce peak demand.

EVs themselves can potentially become distributed energy storage units. Through Vehicle-to-Grid (V2G) technology, energy can flow from the EV battery back to the electrical grid when required. During periods of high electricity demand, connected EVs can provide supporting power, while during low-demand periods they can recharge.

This creates a transition from the traditional concept of EVs as electricity consumers towards EVs as flexible energy resources.

8. Artificial Intelligence and Smart EV Systems

Artificial Intelligence is increasingly being applied to EV energy management and battery systems. Machine learning algorithms can analyse battery voltage, current, temperature, charging history, and operating conditions to estimate SOC, SOH, and remaining useful life.

AI can also support predictive battery maintenance, charging schedule optimization, driver behaviour analysis, energy consumption prediction, fault diagnosis, charging-station planning, and intelligent thermal management.

The combination of AI and BMS can improve battery utilization and potentially extend battery life. However, AI-based systems require high-quality datasets, reliable models, computational resources, and appropriate validation before deployment in safety-critical vehicle applications.

9. Challenges and Future Opportunities

Despite rapid technological development, several challenges remain before EVs can achieve widespread adoption.

Battery cost and degradation: Battery degradation affects vehicle range, performance, and resale value. Research into advanced battery chemistries and accurate ageing models is therefore essential.

Charging time: Fast charging can reduce waiting time but may increase thermal stress and affect battery lifetime. Advanced charging algorithms and high-power semiconductor technologies can help address this challenge.

Charging infrastructure: Large-scale EV deployment requires adequate public and private charging infrastructure. Strategic placement of charging stations and coordination with distribution networks are particularly important.

Grid impact: As EV penetration increases, uncontrolled charging may create additional peak demand. Smart charging and V2G technologies can help coordinate EV charging with grid requirements.

Power density and efficiency: Future EV power converters must be smaller, lighter, and more efficient. Wide-bandgap semiconductor devices such as Silicon Carbide (SiC) and Gallium Nitride (GaN) provide opportunities for higher switching frequency, reduced losses, and improved power density.

Battery recycling: The increasing number of retired batteries creates a requirement for effective recycling, second-life applications, and sustainable material recovery.

10. Conclusion

Electric Vehicles represent a significant transformation in modern transportation and electrical energy systems. The success of EV technology depends not on a single component but on the coordinated development of batteries, power electronics, motor drives, charging systems, thermal management, communication, and intelligent control.

Power electronics is particularly important because it provides the controlled energy conversion required between the battery, motor, charger, and auxiliary systems. At the same time, advanced BMS technology is essential for maintaining battery safety, reliability, performance, and lifetime.

The future of EVs is expected to move beyond conventional battery-powered transportation towards intelligent, connected, renewable-energy-integrated and bidirectional electric mobility. Integration of AI, advanced semiconductor devices, smart charging, V2G, renewable energy, and next-generation batteries can create a more efficient and sustainable transportation ecosystem.

For electrical engineers and researchers, EV technology therefore provides a wide range of opportunities in power electronics, control systems, battery technology, renewable energy, electric drives, embedded systems, and smart-grid integration. Continued interdisciplinary research will be essential for developing the next generation of high-efficiency and sustainable electric transportation systems.

References

 [1]         International Energy Agency (IEA), Global EV Outlook 2025, Paris: IEA, 2025.

 [2]         A. F. Challoob, N. A. Bin Rahmat, V. K. A/L Ramachandaramurthy, and A. J. Humaidi, “Energy and battery management systems for electrical vehicles: A comprehensive review & recommendations,” Energy Exploration & Exploitation, vol. 42, no. 1, pp. 341–372, 2024, doi: 10.1177/01445987231211943.

 [3]         A. Kumar Singh, K. Kumar, U. Choudhury, A. K. Yadav, A. Ahmad, and K. Surender, “Applications of artificial intelligence and cell balancing techniques for battery management system (BMS) in electric vehicles: A comprehensive review,” Process Safety and Environmental Protection, vol. 191, pp. 2247–2265, 2024, doi: 10.1016/j.psep.2024.09.105.

 [4]         “Charging infrastructure planning for transportation electrification in India: A review,” Renewable and Sustainable Energy Reviews, vol. 192, 114265, 2024, doi: 10.1016/j.rser.2023.114265.

 [5]         C. C. Tu, C. L. Hung, K. B. Hong, et al., “Industry perspective on power electronics for electric vehicles,” Nature Reviews Electrical Engineering, vol. 1, pp. 435–452, 2024, doi: 10.1038/s44287-024-00055-4.

 [6]         A. Ashraf, B. Ali, M. S. A. Alsunjury, H. Goren, H. Kilicoglu, F. Hardan, and P. Tricoli, “Review of Cell-Balancing Schemes for Electric Vehicle Battery Management Systems,” Energies, vol. 17, no. 6, 1271, 2024, doi: 10.3390/en17061271.

 [7]         “Advances in battery state estimation of battery management system in electric vehicles,” Journal of Power Sources, vol. 612, 234781, 2024, doi: 10.1016/j.jpowsour.2024.234781.

 [8]         “Optimization and energy management strategies, challenges, advances, and prospects in electric vehicles and their charging infrastructures: A comprehensive review,” Computers and Electrical Engineering, vol. 120, 109842, 2024,