S. R. Hosseini
Aboorayhan Building, Depatrment of Electrical Engineering, Amirkabir University of Technology, Tehran, Iran.
[ 1 ] - Impedance-Based Out-of-Step Protection of Generator in the Presence of STATCOM
This paper presents a novel impedance-based approach for out-of-step (OOS) protection of a synchronous generator. The most popular and commonly used approaches for detecting OOS conditions are based on the measurement of positive sequence impedance at relay location. However, FACTS devices change the measured impedance value and thus disrupt the performance of impedance-based relay function. In...
[ 2 ] - Modified Impedance-Based OOS Protection Based on On-Line Thévenin Equivalent Estimation
In this paper, a novel approach based on the Thévenin tracing is presented to modified conventional impedance-based out-of-step (OOS) protection. In conventional approach, the OOS detection is done by measuring positive sequence impedance. However, the measured impedance may be change due to different factors such as capacitor bank switching and reactive power compensators that it can cause the...
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