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Multi-control functional static synchronous compensator (STATCOM) in power system steady-state operations

Authors
Journal
Electric Power Systems Research
0378-7796
Publisher
Elsevier
Publication Date
Volume
72
Issue
3
Identifiers
DOI: 10.1016/j.epsr.2004.04.011
Keywords
  • Facts
  • Power Converter
  • Power Flow
  • Power Flow Control
  • Power Flow Controller
  • Statcom

Abstract

Abstract The static synchronous compensator (STATCOM) is one of the recently developed converter-based flexible AC transmission systems (FACTS) controllers. Usually the reactive output of a STATCOM is regulated to maintain the desired AC voltage at the bus, to which a STATCOM is connected. This paper describes a multi-control functional model of a STATCOM for power system steady-state operations. Nine control functions of a STATCOM are presented. An innovative implementation of the current control function of a STATCOM is proposed to circumvent the multiple-solution problem of the current control. The innovative reactive power flow and apparent power control functions of a STATCOM are also proposed. Furthermore, a comprehensive strategy for the enforcement of multiple violated constraints associated with a STATCOM is proposed. Numerical examples on the IEEE 30-bus system, IEEE 118-bus system and IEEE 300-bus system are used to illustrate the multi-control functional model of a STATCOM.

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