Special Machines and drives laboratory

The Laboratory serves as a hub for fostering research practices among undergraduate (UG) and postgraduate (PG) students, research scholars, and faculty members. It is equipped with an array of advanced research equipment in the realm of power electronics, drives, and power quality. These resources provide an invaluable platform for theoretical exploration and practical experimentation, enabling the development of innovative solutions and the advancement of knowledge in these crucial areas.

For UG and PG students, the Laboratory offers hands-on experience with cutting-edge technologies, allowing them to deepen their understanding of power electronics and drives through practical application. Similarly, research scholars benefit from access to state-of-the-art equipment, which facilitates their investigations into various aspects of power quality, power electronics, and related fields. Faculty members also utilize the Laboratory to support their research endeavours, leveraging its resources to conduct experiments, collaborate with colleagues and students, and publish findings in academic journals. By staying at the forefront of research in power electronics and drives, faculty members contribute to the advancement of their discipline while inspiring the next generation of researchers. It aims at providing the knowledge about various advanced software packages and hardware setup in Power Electronics and Drives.

Specifications

The Special Machines and Drives Laboratory has been actively utilized across various academic and consultancy activities. M.Tech Power Electronics and Drives students extensively use the laboratory facilities for carrying out their project work, while PhD research scholars leverage the lab for their research activities, leading to the publication of around 200 research papers by scholars and faculty members over the last five years. Undergraduate students also benefit from the laboratory, for doing their Minor project, Major project work and Multidisciplinary project works. Additionally, faculty members employ Fluke meters and thermal imagers from the lab to support consultancy assignments and assist the electrical maintenance team in conducting routine maintenance tasks. Through these consultancy efforts, the laboratory has contributed to generating approximately 3 lakhs in revenue over the past five years

This lab is utilized for conducting the following lab courses:

S. No	Subject Code	Subject Name	Department
1	15EE401L	Electrical Drives	Electrical and Electronics Engineering
2	21EEC554J	Controllers for Power Electronic Systems	Electrical and Electronics Engineering

This laboratory serves as a valuable platform for undergraduate students to execute and validate their Minor Projects (18EEP107L), Multi-Disciplinary Design tasks, and Major Projects (18EEP109L). It also supports postgraduate students and research scholars in conducting their research activities effectively.

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HIL Real Time Simulator

Specification: OP4510 - RT lab

Unique Features: The OP4510 is a compact, entry-level simulator that combines all OPAL-RT’s strengths in high-performance Rapid Control Prototyping and Hardware-in-the-loop simulation. The RT-LAB simulation software platform is used to perform simulations of models in real time. RT-LAB’s features allow you to better control, visualize, access and customize your simulation projects. Fully integrated with MATLAB/Simulink, RT-LAB enables Simulink models to interact with the real world in real-time. This makes RT-LAB an ideal software platform of real-time simulation for engineers to rapidly develop and validate their applications, regardless of their complexity. This equipment is a cornerstone tool for faculty members and research scholars, serving as a vital resource for their research endeavours across diverse fields.

Applications: As a multi-domain platform, RT-LAB provides flexible and scalable solutions for the power systems, power electronics, aerospace, and automotive industries. Bench Top and Portable Test and Measurement System.

Outcomes: Around 120 research papers are published in reputed indexed journals.

ACE 1104 CLP (DSPACE 1104)

Specifications: dSPACE - Model: CLP1104

Unique Features: The DS1104 R&D Controller Board is entry-level system with I/O interfaces and a real-time processor on a single board that can be plugged directly into a PC. It upgrades your PC to a development tool for rapid control prototyping and is ideal for developing smaller control applications. Real-Time Interface provides Simulink blocks for graphical I/O configuration. The real-time hardware based on PowerPC technology and its set of I/O interfaces make the controller board an ideal solution for developing controllers in various fields.

Applications: Developing controllers in various fields, such as drives, robotics, and aerospace.

Outcomes:

Workshop and training session is conducted to faculties and research scholars.
Around 15 research papers are published in reputed indexed journals.

POWER QUALITY ANALYZER – FLUKE METER

Unique Features: Power Quality and Energy Analyzer are designed to help you minimize downtime, quickly troubleshoot power quality issues and easily discover the costs of wasted energy. Downtime is expensive and getting the data you need to solve critical power quality problems quickly is key. Multiple parameters are measured simultaneously and displayed in formats that quickly describe overall power quality health. Data can be accessed as simple digital values, trend graphs, waveforms, or phasor diagrams. The data can also be analyzed and organized into tabular formats. Detailed event data allows you to see the magnitude, duration and time stamping of anomalies enabling you to rapidly correlate the problems you are experiencing in your facility. The faculties and research scholars use this equipment for doing research and consultancy works.

Specification: Fluke 434 / 435 Power Quality and Energy Analyzers

Applications: Electrical Energy Audit, Demand-Side Management, Harmonics Study, Motor Analysis, Industrial Facilities Monitoring.

Outcomes: Around 15 consultancy works are undertaken across various industries in India, amounting to a total value of 3 Lakhs.

FLUKE – THERMAL IMAGER (T1401PRO)

Specification: Fluke Ti401 PRO Thermal Camera (640 x 480 pixels)

Unique Features: Thermal imager to monitor the condition and characteristics of your equipment against predetermined tolerances. This will help predict possible malfunctions or failures, allowing you to repair or replace the deteriorating components before they fail completely and potentially cause unplanned downtime. Choose the thermal camera that gives you in-focus images in a matter of seconds. See small details in the image and discover anomalies faster with 640 x 480 resolution thermal images. Manage data, capture multiple measurements (mechanical, electrical and thermal) and organize them by piece of equipment with Fluke Connect software.

Applications: Electrical Energy Audit, Demand-Side Management, Motor Analysis.

Outcomes: Around 25 consultancy projects are undertaken across various industries in India.

PROGRAMMABLE DC POWER SUPPLY

Specification: 500V/80A/12KW (IT6012D-500-80)

Unique Features: single channel output programmable DC power supply, is applicable in laboratories and automatic test system to provide high-power and stable DC supply. The feature of auto ranging output enables a wide range of voltage and current combinations at full power, unprecedentedly flexible. IT6000D Series has wide range of applications and its single unit provides power range of 6kW to 144kW, current up to 8000A, as well as its voltage up to 2250V. Besides, IT6000D provides multi built-in communication interfaces to simplify and accelerate the testing development. The compact 3U design saves rack space. Multi units of the same model can be paralleled easily to have higher power and the maximum power can reach up to 2 MW. Power efficiency up to 92%, High power density supported by advanced SiC technology is up to 3U/18kW.

Applications: Electroplating and laser machinery, Military systems, Electric vehicle charging systems, Automated testing equipment’s.

Outcomes: Faculties and research scholars using this Programmable DC Power Supply for doing research activities and published research papers in reputed journals.

VIVADO SYSTEM / ZYNG DEVELOPMENT BOARD

Specification: Zynq 7000 SoC XC7Z020-CLG484-1 (512 MB DDR3, 256 Mb Quad-SPI Flash)

Unique Features: Zed Board is a low-cost development board for the Xilinx Zynq-7000 all programmable SoC. This board can be operated through VHDL coding and MATLAB Simulink. Target applications include video processing, reconfigurable computing, motor control, software acceleration, Linux/Android/RTOS development, exploring RISC processors (ARM), and general Zynq-7000 AP SoC prototyping.

Applications: Developing controllers for Power Electronic converters

Outcomes:

One day workshop conducted on “Programming of FPGA controller for power electronics drives”.
Around 10 research papers are published in reputed indexed journals.

DC shunt motor and Induction motor is controlled through IPM based FPGA controller.

GRID SIMULATOR

Specifications: IT7906P-350-90 350V/90A/6KVA grid simulator 3U Along with IT-E117-RS232

Unique Features: The IT7900 series is a programmable, four-quadrant grid simulator. It is also a four-quadrant power amplifier, which can be used to test various grid-connected equipment. With advanced SiC technology, a single unit of IT7900 can realize the anti-islanding protection test through islanding mode(RLC settable). Besides, the power density of IT7900 series is extremely high, 6kVA in 1U, 15kVA in 3U. After parallel connection, the power can be extended to 960kVA at most. Rich operating modes meet various test requirement of single-phase, three-phase, reverse-phase and multi-channel. In reverse mode, the voltage can be extended to 200% of the rated voltage. The strong arbitrary waveform editing function can simulate various power grid disturbance waveforms, making it an ideal choice for testing and R&D laboratories.

Outcomes:

Journal paper Publications & projects

MIXED SIGNAL OSCILLOSCOPE

Specifications: Keysight DSOX4024G - 200MHz 4Ch

Unique Features: 200 MHz, 4 analog plus 16 digital channels. Easily view signals on the large 12.1-inch capacitive touch screen, Isolate signals in seconds with exclusive Zone touch triggering, Capture more data with 4 Mpts memory and standard segmented memory, See more signal detail with 1,000,000 wfms/s update rate. Expand your measurement capabilities with full upgradability: add bandwidth, dual-channel 20 MHz arbitrary waveform generator, 3-digit DVM, seria l trigger and analysis, and mask testing at any time.

Outcomes: Journal paper Publications & projects

SOLAR MODULE AND SOLAR EMULATOR

Specification: 2.5 KW with Wavect controller

Unique Features: This solar module and solar emulator for 1 KW with Wavect controller contribute to the efficiency, reliability, and versatility of the solar module and emulator system, making them suitable for a wide range of applications in research, testing, and development within the solar energy industry. The Solar Module and Solar Emulator of 2.5 kW, PV array interfaced with grid. Inverter unit of 10 kVA with embedded boost converter facilitates grid synchronization. Grid compliances, feedback from grid taken care of a Wavect (FPGA Board). Control algorithm is developed is MATLAB/Simulink and then deployed in FPGA through serial port. PV Emulator embodies a boost converter unit, isolation transformer, auto transformer and FPGA controller. PV array is simulated and developed in MATLAB/Simulink and then deployed in FPGA through serial port.

Outcomes: Solar module and solar emulator for 1 KW with Wavect controller output is synchronized with grid.

3 PHASE MATRIX CONVERTER

Unique Features: In electric drives and machines, such as induction motors, permanent magnet motors, and linear motors. These loads require variable frequency and voltage AC power to control their speed and torque.

9 No. Bi-directional Switch with IGBT and Fast Diode Bridge, Rating@1200V 50A Forms 3 Phase to 3 phase Matrix Converter Power Circuit
Output of Matrix Converter Terminated by Banana Connector in the Front Panel
9 No. High Speed Opto- IC Provided for Gate PWM Isolation.
9 No. Single Channel IGBT Driver IC with Current Limiting Facility Provided for IGBT Gate Driving.
9 No. 15V DC Power Supply Provided Internally for Control Circuit.

Outcomes:

Major Project & Paper Publication

FPGA PROCESSORS

Unique Features: Field Programmable Gate Arrays (FPGAs) are semiconductor devices that are based around a matrix of configurable logic blocks (CLBs) connected via programmable interconnects. FPGAs can be reprogrammed to desired application or functionality requirements. FPGA processor board for different control algorithms deployment for inverters control

Developers design prototypes on FPGA to incrementally mature the design before finalizing it at tape-out.
FPGAs are often used in commercial applications where there’s a need for parallel computing.
Hardware prototyping, to verify digital hardware designs.
Different controller studies

Outcomes: Project and Paper publications

Equipment Name	Specifications
OP4S10 Real Time simulator	RT lab – HIL
Solar Module and solar Emulator	1 KW with VSI
DSOX3034T oscilloscope	4 channel, 350 MHz
Vivado system / Zyng development board	410 – 248
Grid Simulator	350V/90A/6KVA
Mixed Signal Oscilloscope	200MHz 4Ch
Differential Voltage and current probe	25MHz, 1000 V
ACE 1104 CLP	Dspace 1104
DSOX2002A	70 MHz / 100 k memory
Fluke meter	5 A current probe – 3
DSP based servo motor control setup	12 V dc, 5 A
FPGA based PMSM control	Spartan 6
DSP based SRM control setup	MICRO 2812
FPGA based speed control IM control	Spartan 6
V/F control of IM with dsPIC control setup	dsPIC controller
FPGA based DC motor with dc-dc chopper	IPM, Sparatan 6
3-phase Matrix converter with cyclone FPGA	PEC16DSM05
Squirrel cage IM with DC-MLI setup	3 HP, cyclone contr.
Dc shunt motor with dsPIC controller setup5 Hp	5 HP, dsPIC 30F4011
Squirrel cage IM with TMS320F28335 DSP – setup	5 HP, 3-phase
SRM Power module based TMS320F2812 DSP	MICRO 2812
VPE Spartan FPGA controller	3 A/ 13A
3phase IGBT based power module	VPET 106A
SRM power module	PEC16D14015
SRM with eddy current arrangement	PEC16SRMET
Various types of DC-DC converters	100V, 5 A
Fluke – Thermal Imager	T1401PRO
Programmable DC Power Supply	500V/80A/12KW

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The Special Machines and Drives Laboratory focuses on a wide range of advanced research areas supported by specialized equipment such as special electrical machines, power converters, real-time simulators, embedded processors, and advanced simulation software. The key thrust areas include:

Advanced Control Strategies for Electrical Drives: Field-Oriented Control, Direct Torque Control, Sensorless Control, AI-based Control
Power Electronic Converters for Drives Applications: Multilevel inverters, Matrix converter, Bidirectional converters, DC-DC converters, Resonant converters.
Real-Time Simulation and Hardware-in-the-Loop (HIL) Testing of Drive Systems: Using real-time simulators for validating controllers and drive systems.
Embedded Systems and Processor-Based Drive Control: DSPs, FPGAs, Microcontrollers used for real-time drive control applications.
Energy-Efficient Drives for Electric Vehicles, Renewable Energy Systems, and Industrial Automation
Condition Monitoring, Fault Diagnosis, and Health Prediction of Special Machines: Using thermal imaging, vibration analysis, and AI/ML algorithms.
Integration of Special Machines with Renewable Energy Sources: Wind energy generators, Solar-powered drives.
Digital Twin and Virtual Prototyping of Special Machines and Drives: Using simulation tools like MATLAB/Simulink, ANSYS Maxwell, Motor-CAD.

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Selected Publications:

Femi Robert, A. Amalin Prince, and A. R. Jac Fredo, “Investigation of using CNT and Cu/CNT Wires for Replacing Cu for Power Electronics and Electrical Applications”, ECS Journal of Solid State Science and Technology, 2022 11 023011.
Balaji Chandrasekar, N. Chellammal, and Bhargavi Nallamothu, “Non-Isolated Unidirectional Three-Port Cuk-Cuk Converter for Fuel Cell/Solar PV Systems”, Journal of Power Electronics, Vol. 19, No. 5, pp. 1278-1288, September 2019.
KANNAN, SARAVANAN K, “A High Step-up Sextuple Voltage Boosting 13S-13L Inverter With Fewer Switch Count”, IEEE Access, 2021, Digital Object Identifier 10.1109/ACCESS.2021.3133896.
Thentral TMT, Usha S, Palanisamy R, Geetha A, Alkhudaydi AM, Sharma NK, Bajaj M, Ghoneim SSM, Shouran M and Kamel S (2022), An energy efficient modified passive power filter for power quality enhancement in electric drives. Front. Energy Res. 10:989857.doi: 10.3389/fenrg.2022.989857.
Ravichandran, K.Saravanan, Utkarsh Bajpai, Ganesh Ramakrishnan, Aparajit Vasudevan, Anna Chacko, Shivam Khare, “Harmonics Assessment in Real Time Printing Industry”, International Journal of Recent Technology and Engineering (IJRTE) ISSN: 2277-3878, Volume-8, Issue-2S11, September 2019
Narayanan Pandurangan Gopinath* and Krishnasamy Vijayakumar, “Common Ground Nine-Level Boost Inverter for Grid-Connected PV Applications”, Front. Energy Res. doi: 10.3389/fenrg.2022.922786, 2022.
Prathaban, A.V.; Dhandapani, K.; Soni Abubakar, A.I. Compact Thirteen-Level Inverter for PV Applications. Energies 2022, 15, 2808. https://doi.org/10.3390/en15082808.
M. T. Thentral, Palanisamy R, et al., “Development of Control Techniques Using Modified Fuzzy Based SAPF for Power Quality Enhancement,” in IEEE Access, vol. 9, pp. 68396-68413, 2021.
Gopinath Narayanan Pandurengan1, Vijayakumar Krishnasamy1, Jagabar Sathik Mohamed Ali, “Five-Level Transformerless Common Ground Type Inverter with Reduced Device Count”, MIDEM journal, 2022, https://doi.org/10.33180/InfMIDEM2022.201.
Aman Kumar, Sayedane Masodi, Joseph Peter, “Hybrid Space Vector PWM Fed Induction Motor Drive Control”, 2021 Fourth International Conference on Electrical, Computer and Communication Technologies (ICECCT) | 978-1-6654-1480-7/21/$31.00 ©2021 IEEE | DOI: 10.1109/ICECCT52121.2021.9616740.
M. Thamizh Thentral, R. Palanisamy, S. Usha, Mohit Bajaj, “Analysis of Power Quality issues of different types of household applications”, Energy Reports, Volume 8, 2022, Pages 5370-5386, doi.org/10.1016/j.egyr.2022.04.010.
Palanisamy R, Shanmugasundaram V, Lakshmi M, M, Bajaj M, Kamel S (2022), HIL real-time simulator based 3D-space vector pulse width modulation for performance analysis of 3-phase matrix converter. Front. Energy Res. 10:1018088. doi: 10.3389/fenrg.2022.1018088.
Femi Robert and P. Uma Sathyakam, “Perspective—Demystifying the Power Withstanding Capabilities of CNT Bundle Interconnects”, ECS Journal of Solid State Science and Technology, 2022 11 043013.
M. Thamizh Thentral, R. Palanisamy, S. Usha, Pradeep Vishnuram, Mohit Bajaj, “The Improved Unified Power Quality Conditioner with the Modular Multilevel Converter for Power Quality Improvement”, International Transactions on Electrical Energy Systems, Volume 2022, Article ID 4129314, https://doi.org/10.1155/2022/4129314.
Palanisamy R, Vijayakumar K, “Three-phase 3-level Z-source NPC inverter using modified 3D-space vector modulation”, International Journal of Ambient Energy, doi/full/10.1080/01430750.2020.1722222, 2020.
Ansh Yadav, Soumyadip Sarojkumar Datta, Joseph Peter, Sivaprasad Athikkal, “Space Vector PWM Based Vector Control in an Electric Vehicle with Induction Motor Drive”, 2021 IEEE International Power and Renewable Energy Conference (IPRECON) | 978-1-6654-0137-1/21/$31.00 ©2021 IEEE | DOI: 10.1109/IPRECON52453.2021.9640724.
Waseah Anjum, Palanisamy Ramasamy, “Design of semi-Z source inverter topology with reduced number switches for four quadrant control of direct current motor”, International Journal of Power Electronics and Drive Systems (IJPEDS), Vol. 13, No. 1, March 2022, pp. 102~112.

Selected Consultancy Work conducted:

Pegatron Technology India Pvt. Ltd “Harmonic Analysis”, Chengalpattu, Tamilnadu, by IHPC Power solutions, 2023.
REPORT ON CONSULTANCY SERVICES TO M/S DIETECH INDIA (P) LTD during 04-12 January 2022.
FEASIBILITY STUDY ON DEMAND FOR SRM MEDICAL COLLEGE & HOSPITAL, SRM IST, Kattankulathur, Chennai.
Energy Audit at 6 Railway Stations (TJ, VM.KMU, MV, NGT &PDY), M/s Ensave Consultancy and Training (P) LTD, 2021.
Demand Management Services, M/s Senthil Stone Crusher, Perambalur, 2022.
Thermal Image Analysis, M/s Crown Worldwide Limited, 2022.
Energy Assessment and Motor Analysis, M/s Maruthi Motors, 2023.
Nature of Power and Harmonics Analysis, Precision Machines & Equipment’s (P)Ltd, 2022.

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Faculty In-charge

Dr. Jagabar Sathik M

Associate Professor

9500525422

jagabarm@srmist.edu.in

Dr. Palanisamy R

Associate Professor

9600158636

palanisr@srmist.edu.in

Technical staff In-charge

Ms.Thamaraiselvi

Technician

9578611441

thamarat@srmist.edu.in

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Special Machines and drives laboratory