Novel, high-frequency, per-phase static var compensator

Ned Mohan, Girish R. Kamath

Research output: Contribution to journalConference articlepeer-review

16 Scopus citations


Static var compensators are being used to provide voltage control, var compensation, damping of oscillations, and improved transient stability in power systems. Conventional SVCs which consist of thyristor-switched capacitors and thyristor controlled inductors suffer from disadvantages of size and slow dynamic response. This makes it unsuitable for applications such as controlling the voltage flicker due to arc furnace loads. Advanced SVCs (STATCON or STATCOM) eliminate the above disadvantages. However, they have a disadvantage due to the presence of a large line-frequency transformer. In this paper, a novel, high-frequency, per-phase static var compensator is proposed, which has all the advantages of the advanced SVC. Various related topologies and control strategies are also enumerated and their advantages and disadvantages are discussed.

Original languageEnglish (US)
Pages (from-to)2581-2586
Number of pages6
JournalConference Record - IAS Annual Meeting (IEEE Industry Applications Society)
StatePublished - 1995
EventConference Record of the 1995 IEEE Industry Applications 30th IAS Annual Meeting. Part 3 (of 3) - Orlando, FL, USA
Duration: Oct 8 1995Oct 12 1995


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