6th to 8th July, 2022

Grid-Connected Inverters: Operation and Control

at Department of Electrical Engineering, IIT Madras

Short Term Course

organized by

Department of Electrical Engineering

Indian Institute of Technology, Madras

Chennai, India

IIT, Madras: Indian Institute of Technology, Madras is one of the foremost institutes of national importance in higher technological education, basic and applied research with NIRF ranking 1. It is a prestigious institute with a reputation for excellence at both undergraduate and postgraduate levels, fostering the spirit of national integration among the students, close interaction with industry, and a strong emphasis on research, both basic and applied.

Department of EE: Department of Electrical Engineering, since its inception, is under dynamic progress and is reputed for imparting quality education both at B. Tech, M. Tech, and M. S by Research levels. The department currently runs seven M. Tech programs. Besides, a good number of research scholars are working towards Ph.D. degrees. The department is well equipped with modern laboratories such as Power Electronics, Machines & Drives Lab, High Voltage Lab, Measurements & Instrumentation Lab, Image Processing & Computer Vision Lab, Microelectronics & MEMS Lab, etc. for pursuing research in the emerging areas of Electrical Engineering.

Nodal Centre

Centre for Development of Advanced Computing

Thiruvananthapuram, Kerala, India

C-DAC undertakes application-oriented research, design, and development in electronics so as to generate state-of-the-art producible, marketable, and field maintainable products and systems. The Power Electronics Group has wide experience in developing successful power electronics products/systems and a very good industry interaction by way of transfer of technology, field implementation, etc. It has a very close association with reputed academic institutions like IISc, IITs, NITs, etc. C-DAC has contributed significantly to the growth of the industry through indigenous development of commercially viable products and systems, foreign technology absorption, consultancy and training, and turnkey implementation of contract projects. The center has several firsts to its credit and is the recipient of prestigious national awards for excellence in application-oriented R&D.

National Mission on Power Electronics Technology (Phase-III)

Ministry of Electronics and Information Technology

Government of India

Power Electronics play a very important role in any country's industrial economy. Identifying its positive effects on many factors like increase in productivity and quality, improvement in energy efficiency and quality of power systems, environment-friendly power generation, and mass transportation systems, the Ministry of Electronics and Information Technology (MeitY) has launched the program National Mission on Power Electronics Technology (NaMPET) with the vision of making India a dominant player in Power Electronics at the international level. C-DAC, Thiruvananthapuram is the Nodal Centre for this programme. NaMPET is a multi-institutional program facilitating research, development, deployment, and commercialization of Power Electronics Technology, by ensuring participation of academics, R&D, and industry. (For more details, visit https://www.nampet.in/)

Organizing Committee

Patron: Dr. V. Kamakoti, Director, IIT Madras

Coordinators: Dr. N. Lakshminarasamma and Dr. Arun Karuppaswamy B

Department of Electrical Engineering,

IIT Madras, Chennai - 600036

Phone - 04422574462/4449

A three-day summit of talks, activities, and workshops. Academicians from IISc, IITs, foreign universities and professionals from industries will deliver lectures.

Day 1

A mixture of theory and lab session which includes inverter basic topologies and power control along with talks on solid state transformers and session by Texas Instruments

Day 2

Session on hardware design aspects and design of control structure for grid-tied inverters using an LCL filter along with talk by Inphase Power Technologies followed by lab sessions

Day 3

Sessions on islanding detection of grid-connected microgrids and theory of digital implementation followed by invited talk and hardware demonstration

The goal of this event is to bring leaders in power electronic technology together from across the globe.

The Speakers

Arijit Banerjee

University of Illinois, Urbana-Champaign

Sanjib Kumar Panda

NUS

Krishna Vasudevan

IIT Madras

Mahesh Kumar

IIT Madras

Raja Ayyanar

Arizona State University

Kaushik Basu

IISc Bangalore

Kamalesh Hatua

IIT Madras

Kalyan Kumar

IIT Madras

Sivaprasad Jaldanki

Oak Ridge National Laboratory

N. Lakshminarasamma

IIT Madras

Arun Karuppaswamy B

IIT Madras

Texas Instruments

InPhase Power Technologies

Hardware demonstration and DSP coding

Preamble

Grid-connected inverters are used between local electrical power generators. To inject electrical power efficiently and safely into the grid, grid-connected inverters must accurately match the voltage and phase of the grid sine wave AC waveform. For applications such as microgrid integration with the power grid, the voltage at the output terminal is desired to be sinusoidal with adjustable magnitude and frequency. This is achieved by employing a DC to AC inverter that accepts DC voltage as input and generates the desired AC as output voltage. The output of the inverter contains harmonics and needs to be filtered. The filtered signals are connected to the transformer to isolate the system from the grid. The inverter, filter, and transformer form the essential electrical power conversion stages. The course will be concentrated on three-phase grid-connected inverters.

This workshop will be a three-day workshop. The morning sessions will be theoretical. The afternoon session of Day 1 will introduce different aspects of designing a hardware setup and introduction to DSP. Day 2- afternoon session is for the simulation. Simulations are planned with tools like MATLAB. (For participants who do not have access to the software, virtual access facility to the software at IITM Lab shall be provided). Day 3-afternoon session of the workshop will be DSP code implementation and hardware demonstration. The real-time simulation of a grid-connected inverter using Texas 28379D DSP shall be included in the course.

Specific Objective

Bring together professionals in the field of inverters and microgrids.
Discussion on control techniques and the topologies used for the grid-connected inverters.
Simulation of grid-connected inverters and introduction of real-time simulation using DSP.
Hardware demonstration of grid-connected inverters.

Course content

Theory Coverage:

Three-phase grid-connected inverters: Basic topologies.
Grid forming inverters and microgrids
Integrated generator-rectifier architecture for offshore wind
Real and reactive power control among various inverter units in a microgrid system using instantaneous symmetrical component theory.
Hardware design aspects of the grid-connected inverter.
Three-loop control structure for grid-tied inverters using an LCL filter.
Solid-state transformers.
Islanding detection for grid-connected microgrids.
Digital implementation of the grid-connected inverter.
Invited talks from Texas Instruments, Inphase Power Technologies and Dr. Sivaprasad from Oak Ridge National Laboratory.

Laboratory Experiment:

MATLAB simulation sessions.
Real-time simulation using Texas Instruments DSP.
Hardware demonstration showing operation and control of grid-connected inverter.

Registration Fees

Professionals from Industry & R&D Units

Rs. 10000/-

Faculty members from universities/institutes

Rs. 3500/-

Students/research scholars

Rs. 1500/-

Limited seats available. Registration will be first-come-first-serve basis. Registration ends on 25th June, 2022.

18% GST applicable.

Let us know if you'll be attending!

Click here for registration

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The Venue

Electrical Science Block

IIT Madras

Our department was established in 1959. We currently have about 685 research scholars, 72 faculty members, 43 other faculty members, 30 staff members, and 4 post-doctoral fellows with us.

We perform a variety of research work from absolute fundamentals to component design to system integration to deployment/commercialization. We have strong industry interaction and have been involved in the development of state-of-art products. We house extensive fabrication, calibration, and testing facilities for carrying out academic projects, sponsored research, and consultancy projects.

IIT Madras is a residential institute that occupies a 2.5 km² (617 acres) campus that was formerly part of the adjoining Guindy National Park. The main entrance of IIT Madras is on Sardar Patel Road, flanked by the residential districts of Adyar and Velachery. The campus is close to the Raj Bhavan, the official seat of the Governor of Tamil Nadu.

Much of the campus is a protected forest, carved out of the Guindy National Park, home to many animals that are not commonly seen in a busy city like Chennai. The campus has the pride of having one of the most elegant antelopes in the world - the Blackbuck. The campus is also home to large numbers of chital (spotted deer), bonnet macaque, monkeys, and other rare wildlife. There are a lot of other smaller and exquisite life forms that play a major role in the biodiversity of the campus. The IIT campus has about 300 species of trees and plants with quite a large number of native wild species, which are unique to the tropical, dry evergreen vegetation.

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