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

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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.

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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

P max :

Maximum load active power corresponding with MLP

P base :

Base load active power

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Correspondence to Mehrdad Ahmadi Kamarposhti.

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Kamarposhti, M.A., Lesani, H. Effects of STATCOM, TCSC, SSSC and UPFC on static voltage stability. Electr Eng 93, 33–42 (2011). https://doi.org/10.1007/s00202-010-0187-x

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  • DOI: https://doi.org/10.1007/s00202-010-0187-x

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