Fault current limiting and power system stabilization by static synchronous series compensator
Fault current limiting and power system stabilization by static synchronous series compensator
复制标题
静态同步串联补偿器限制故障电流并稳定电力系统
DOI：
10.1109/icpst.2000.898207
复制
发表时间：
2000
期刊：
影响因子：
--
通讯作者：
M. Hojo
中科院分区：
文献类型：
--
作者：
K. Duangkamol;Y. Mitani;K. Tsuji;M. Hojo
本文提出了一种用于故障电流限制和电力系统稳定的静止同步串联补偿器（SSSC）的控制方案。该装置注入与传输线串联的可变幅度的电压。该注入电压与线路电流正交。在正常情况下，它被控制以补偿传输线的电抗。当扰动发生时，从移相器注入的电压被施加到发电机摆动的阻尼控制。因此，所提出的控制器有望提高稳态稳定性。利用串联Transformer的漏抗，该装置也有望成为一种很有前途的故障限流器。基于数值分析，从电流限制和稳态稳定性改善的角度评估了所提出的控制器的有效性。
In this paper, a control scheme of the static synchronous series compensator (SSSC) for fault current limiting and power system stabilization has been proposed. The apparatus injects a voltage of variable magnitude in series with a transmission line. This injected voltage is in quadrature with the line current. Under normal condition, it is controlled in order to compensate for reactance of the transmission line. When a disturbance occurs, injected voltage from the phase shifter is applied to damping control of generator swing. As a result, the proposed controller is expected to improve steady-state stability. This apparatus is also expected to be a promising fault current limiter by using the leakage reactance of a series transformer. The effectiveness of the proposed controller is evaluated from the viewpoints of current limiting and steady-state stability improvement based on numerical analyses.