Wednesday, July 27, 2016 — 2:30 PM EDT

Speaker

Professor Rajiv K. Varma
Department of Electrical and Computer Engineering, Western University, London, Ontario

Seminar title

Impact of Series and Parallel Resonances in Power Distribution Networks

Abstract

With the rapidly growing proliferation of harmonic emitting sources such as nonlinear loads, adjustable drives, and inverter based distributed generators, distribution systems are facing an increased potential of harmonic amplification caused by parallel and series resonances in the networks. These resonances can potentially result in maloperation or failures of utility / customer owned equipment, in addition to imposing a limit on the integration of Inverter based DGs. This seminar will present the nature and causes of series and parallel resonances in distribution / transmission networks. Actual case studies will be presented of network and harmonic resonances, and their potential adverse impacts. These utility system studies will relate to both integration of PV solar farms and wind farms. It will be further illustrated that harmonic resonances can constitute one of the major challenges amongst others, in enhancing the connectivity of renewable sources such as wind plants and PV solar plants.

About the Speaker

Dr. Rajiv K. Varma obtained the B.Tech. and Ph.D. degrees in Electrical Engineering from Indian Institute of Technology (IIT), Kanpur, India, in 1980 and 1988, respectively. He is currently a Professor and past Hydro One Research Chair at The University of Western Ontario (UWO), London, Ontario, Canada. Before joining Western in 2002, he was a faculty member at IIT Kanpur for 11 years. He has received thirteen teaching excellence awards at the University and Faculty levels at UWO.

Dr. Varma is the principal co-author of the book "Thyristor-Based FACTS Controllers for Electrical Transmission Systems" published by IEEE Press and John Wiley & Sons in 2002. He is the Secretary of the IEEE PES “HVDC and FACTS Subcommittee”, and Chair of IEEE Working Group on "HVDC and FACTS Bibliography". He is also a Member of the IEEE P1547 Revision Working Group and Standard Technical Panel UL 1741. His research interests include FACTS, power systems stability, and grid integration of wind and PV solar power systems. Dr. Varma developed a new technology for "Nighttime Utilization of Solar Farms as STATCOM" for which six patents have been awarded in US, Canada and China, and several other international patents are pending. He was awarded IEEE PES Energy Development and Power Generation Committee" Prize Paper Award for the above research in 2012.


Organized by: Professor Kankar Bhattacharya

Location 
EIT building
Room 3142

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