Series compensation of radial power system by a combination of SSSC and dielectric capacitors

被引：49

作者：

Al Jowder, FAR ^{[1
]}

Ooi, BT ^{[1
]}

机构：

[1] McGill Univ, Dept Elect & Comp Engn, Montreal, PQ H3A 2A7, Canada

来源：

IEEE TRANSACTIONS ON POWER DELIVERY | 2005年 / 20卷 / 01期

基金：

加拿大自然科学与工程研究理事会;

关键词：

damping controller; series capacitive reactance compensation; static synchronous series compensator (SSSC); subsynchronous resonance (SSR); transient stability limit; voltage-source converter;

D O I：

10.1109/TPWRD.2004.837110

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper shows that the addition of dielectric capacitors lowers the cost of series compensation by static synchronous series compensator (SSSC). Normally the capacitor resonates with the line inductance and the L-C electrical resonance can interact with the torsional resonances of the multiple-inertia elastic shaft of steam turbine-generators to give rise to subsynchronous resonance (SSR) instability. The SSSC has two functions: (1) to provide some series capacitive reactance compensation; (2) to damp out incipient unstable SSR modes. Digital simulation using HYPERSIM shows that for an overall degree of capacitive compensation of 0.7 pu, the SSSC component is only about 1/3 of the capacitive Mvar. Based on the transient stability limit, the transmissibility of the line is increased by a factor of 2.23.

引用

页码：458 / 465

页数：8