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Electrical Engineering

, Volume 93, Issue 1, pp 33–42 | Cite as

Effects of STATCOM, TCSC, SSSC and UPFC on static voltage stability

  • Mehrdad Ahmadi KamarposhtiEmail author
  • Hamid Lesani
Original Paper

Abstract

The purpose of this paper is to study the effects of four FACTS controllers: STATCOM, TCSC, SSSC and UPFC on static voltage stability in power systems. Continuation power flow is used to evaluate the effects of these devices on system loadability. Applying saddle node bifurcation theory with the use of PSAT, effects of these devices controllers on maximum loading point are determined. Static voltage stability margin enhancement using STATCOM, TCSC, SSSC and UPFC is compared in the modified IEEE 14-bus test system.

Keywords

Voltage collapse Static voltage stability STATCOM TCSC SSSC UPFC 

Abbreviations

CPF

Continuation power flow

MLP

Maximum loading point

FACTS

Flexible AC transmission system

SVC

Static var compensator

STATCOM

Static synchronous compensator

TCSC

Thyristor-controlled series capacitor

SSSC

Static synchronous series compensator

UPFC

Unified power flow controller

MWM

Mega Watt margin

VSI

Voltage-source inverter

TCR

Thyristor-controlled reactor

GTOs

Gate turn-off thyristors

PSAT

Power system analysis toolbox

λmax

Maximum load parameter

Pmax

Maximum load active power corresponding with MLP

Pbase

Base load active power

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Copyright information

© Springer-Verlag 2010

Authors and Affiliations

  1. 1.Department of Electrical EngineeringIslamic Azad UniversityJouybarIran
  2. 2.Department of Electrical EngineeringUniversity of TehranTehranIran

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