Summary
Overview
Work History
Education
Skills
Languages
Timeline
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KISHORELAL

Trichy, Tamilnadu,

Summary

Electrical Motor Design Engineer with over 6 years of robust experience in the electromagnetic design, testing, and validation of 3-phase energy-efficient AC PMSM, Synrel, and induction motors for traction and industrial applications. Proficient in motor design optimization, cost-performance trade-offs, and regulatory compliance. Expertise in using advanced simulation and design tools to deliver high-efficiency motor solutions.

Overview

7
7
years of professional experience

Work History

Lead CoC Engineer – Motor Design

Varroc Engineering Limited
07.2022 - Current
  • Design and development of traction motors for LV and HV systems
  • Define motor requirements based on SOR and derive input capture sheets for motor design
  • Perform motor design using analytical methods and simulation tools (ANSYS Maxwell, FEMM)
  • Develop custom scripts for design optimization using Python and FEMM
  • Conduct thermal analysis of traction motors using MotorCAD
  • Collaborate with mechanical teams and stakeholders to develop prototypes
  • Focus on the design aspects of fault-tolerant multiphase and multilayer PMSM and Synrel motors
  • Basic understanding of motor control techniques
  • Filed a provisional patent for the feasibility of double-layer winding using an automated winding machine
  • Contributing author to a research paper on methods to improve saliency in FSCW Synrel machines, scheduled for publication in PSET in Aug 2024

Deputy Manager – Drivetrain

Mahindra Electric Mobility Limited
02.2022 - 06.2022
  • Design electromagnetic traction PMSM motors (Interior, Surface, and Spoke) and ferrite-assisted Synrm motors
  • Conduct virtual validation and complete performance mapping of electromagnetic designs
  • Validate functional safety aspects, including demagnetization studies and short circuit analysis
  • Document design parameters for electromagnetic, functional safety, and structural analysis
  • Perform initial design iteration calculations and winding factor studies for various slot-pole combinations

Senior Associate Engineer

OLA Electric Mobility
05.2021 - 01.2022
  • Electromagnetic design of traction I-PMSM motors for 2W applications
  • Balance performance and cost optimization for traction motors
  • Implement PMSM control techniques using Matlab and Simulink
  • Conduct RCA for prototype build failure motors
  • Perform dyno testing and validation against design outputs.

Senior Engineer

ELGi Equipments Limited
01.2020 - 05.2021
  • Design PMSM (NdFeB magnets) and PM-SYNREL (ferrite magnets) motors for wide-speed range compressor applications
  • Optimize motor performance to exceed IE4 energy efficiency levels from 50% to 100% speed range
  • Optimize motor designs to consolidate various power ratings under single motor frames
  • Explore and integrate new motor technologies like hybrid PM-SYNREL motors
  • Support RCA for field failure motors

Engineer

ELGi Equipments Limited
07.2018 - 01.2020
  • Design 3-phase low voltage energy-efficient induction motors (11kW – 55 kW)
  • Scale IE3 induction motor designs to IE4 energy efficiency levels
  • Modify designs for compliance with various international energy efficiency standards (USA, Europe, Australia)
  • Test and validate 3-phase induction motors per IEC/IEEE/IS standards
  • Balance starting and running performance during the design stage
  • Optimize cost vs Performance based on customer requirements
  • Manage proto and pre-pilot sample building, testing, and validation
  • Handle testing for statutory approvals (CE, UL, BIS, DOE, MEPS)

Graduate Engineer Trainee (GET)

ELGi Equipments Limited
07.2017 - 07.2018
  • Conduct study and literature survey of advanced AC motor technologies (PMSM, SYNREL, PMSYNREL)
  • Support the electromagnetic design of PMSYNREL (30kW-37kW) for wide-speed range compressor applications

Education

Bachelor of Technology - Electrical and Electronics Engineering

SASTRA University
Thanjavur, Tamil Nadu
01.2017

Skills

  • Electromagnetic Design Software: SPEED, Altair FLUX 2D & 3D, FEMM, MotorCAD, Ansys Maxwell 2D & 3D, Ansys Optislang, MotorSolve
  • Programming and Simulation: Matlab, Simulink, Python, Octave

Languages

English
Tamil
Hindi

Timeline

Lead CoC Engineer – Motor Design

Varroc Engineering Limited
07.2022 - Current

Deputy Manager – Drivetrain

Mahindra Electric Mobility Limited
02.2022 - 06.2022

Senior Associate Engineer

OLA Electric Mobility
05.2021 - 01.2022

Senior Engineer

ELGi Equipments Limited
01.2020 - 05.2021

Engineer

ELGi Equipments Limited
07.2018 - 01.2020

Graduate Engineer Trainee (GET)

ELGi Equipments Limited
07.2017 - 07.2018

Bachelor of Technology - Electrical and Electronics Engineering

SASTRA University

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