Design of Robust Current Controller Using GA for Three Level 24-Pulse VSC Based STATCOM

M. Janaki; R. Thirumalaivasan; Nagesh Prabhu

Design of Robust Current Controller Using GA for Three Level 24-Pulse VSC Based STATCOM

M. Janaki

R. Thirumalaivasan

Nagesh Prabhu

Vol. 11, No. 3, pp. 375-380, May 2011

10.6113/JPE.2011.11.3.375

FACTS

Genetic Algorithm (GA)

Static synchronous compensator (STATCOM)

Voltage Source Converter (VSC)

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Abstract

A STATic synchronous COMpensator (STATCOM) is a shunt connected voltage source converter (VSC) based FACTS controller using Gate Turn Off (GTO) power semiconductor devices employed for reactive power control. The operation principal is similar to that of a synchronous condenser. A typical application of a STATCOM is voltage regulation at the midpoint of a long transmission line for the enhancement of power transfer capability and/or reactive power control at the load centre. This paper presents the modeling of STATCOM with twenty four pulse three level VSC and Type-1 controller to regulate the reactive current or the bus voltage. The performance is evaluated by transient simulation. It is observed that, the STATCOM shows excellent transient response to step change in the reactive current reference. While the eigenvalue analysis is based on D-Q model, the transient simulation is based on both D-Q and 3 phase models of STATCOM (which considers switching action of VSC).

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Cite this article

[IEEE Style]

M. Janaki, R. Thirumalaivasan, N. Prabhu, "Design of Robust Current Controller Using GA for Three Level 24-Pulse VSC Based STATCOM," Journal of Power Electronics, vol. 11, no. 3, pp. 375-380, 2011. DOI: 10.6113/JPE.2011.11.3.375.

[ACM Style]

M. Janaki, R. Thirumalaivasan, and Nagesh Prabhu. 2011. Design of Robust Current Controller Using GA for Three Level 24-Pulse VSC Based STATCOM. Journal of Power Electronics, 11, 3, (2011), 375-380. DOI: 10.6113/JPE.2011.11.3.375.