Çoklu seri ve paralel kompanzatörler ile güç sistemlerinde geçici kararlılık analizi

Year 2017, Volume: 23 Issue: 2, 112 - 118, 28.04.2017

Mehmet Kenan Döşoğlu

Abstract

Bu çalışmada çok baralı bir güç sisteminin
geçici kararlılık durumunda çoklu seri ve parallel kompanzatörlerin etkileri
incelenmiştir. 22 bara çok makinalı gerçek sistemin Statik Senkron Kompazatör
(STATCOM) ve Statik Senkron Seri Kompanzatör (SSSC) ile modellemesi
yapılmıştır. Kompanzatörlerin yerleşimi geçici durum esnasında hatlardaki en
yüksek gerilim düşümüne ve zayıf baraya bağlı olarak belirlenmiştir. Geçici
kararlılık durumu STATCOM and SSSC olmadığı durum, STATCOM and SSSC olduğu
durum ve STATCOM and SSSC çoklu olduğu durumda incelenmiştir. Bunu yanısıra
baraların gerilim değişimleri ve senkron generatorlerin açısal hız değişimleri
incelenmiştir. Çoklu STATCOM and SSSC kullanımı ile geçici kararsızlık
durumunda kısa zaman içerisinde salınımların azaldığı görülmüştür.

Keywords

Geçici kararlılık, STATCOM, SSSC, Çok-Makinalı sistem

Analysis of transient stability in power systems with multiple shunt and series compensators

Abstract

This
study investigates the effect of multiple shunt and series compensators in
transient stability case of a multi-machines power system. 22 bus multi machine
real systems are modeled with Static Synchronous Compensator (STATCOM) and
Static Synchronous Series Compensator (SSSC). The locations of the compensators
are identified depending on the weak buses and transmission lines with highest
voltage dip during transient cases. Transient stability cases are examined
without STATCOM and SSSC, with STATCOM and SSSC multiple STATCOM and SSSC.
Besides, Angular speeds of synchronous generators and variations voltage of buses
are examined. Oscillations can decrease within short time with multiple STATCOM
and SSSC in transient instability case.

Keywords

Transient stability, STATCOM, SSSC, Multi-Machines system

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