A novel control scheme for STATCOM using space vector modulation based hysteresis current controller

Mostafa I. Marei, Ehab F. El-Saadany, Magdy M.A. Salama

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

21 Scopus citations

Abstract

At high power levels, low switching frequencies of solid-state devices results in diminished quality and distorted waveforms of both currents and voltages in FACTS applications. Normally, multi-converter schemes are used to deal with the above problem. This paper investigates a control system appropriate for STATCOM with reduced switching frequency. The proposed system comprises of a Current Regulated Pulse Width Modulation CRPWM inverter using a novel space vector modulation SVM based hysteresis current controller HCC. The proposed methodology exploits the combined advantages of both HCC and SVM techniques. In attempt to reduce the number of switchings, a set of space vectors, including the zero vectors, is derived from two sets of hysteresis comparators. One comparator set has a larger hysteresis band resulting in considerable reduction in the number of switchings and thus improvements in the efficiency of the system. Simulation results obtained from PSCAD/EMTDC package are used to illustrate the merits of the proposed scheme.

Original languageBritish English
Title of host publication2004 11th International Conference on Harmonics and Quality of Power
Pages58-65
Number of pages8
StatePublished - 2004
Event2004 11th International Conference on Harmonics and Quality of Power - Lake Placid, NY, United States
Duration: 12 Sep 200415 Sep 2004

Publication series

Name2004 11th International Conference on Harmonics and Quality of Power

Conference

Conference2004 11th International Conference on Harmonics and Quality of Power
Country/TerritoryUnited States
CityLake Placid, NY
Period12/09/0415/09/04

Keywords

  • HCC
  • PSCAD/EMTDC
  • Reactive power compensation
  • Space vector modulation SVM
  • STATCOM
  • Voltage regulation

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