Voltage collapse detection based on local measurements
作者： Jorge Esteban Tobón V , Rosa E. Correa Gutiérrez , Juan M. Ramirez
DOI: 10.1016/J.EPSR.2013.09.013
关键词:
摘要: Abstract This paper is concerned with voltage collapse detection in power systems. The concepts of support surface and local balancing equation are used. Likewise, the use impedance matching concept, requiring only measurements taken at corresponding bus without needing a reference signal, proposed. solved by direct recursive least squares algorithm. estimated equivalent becomes multiple load impedance. Thus, proximity indices to point (PoC) that requires just magnitudes presented. Voltage instability evaluated through PoC loads transit (no-load) buses. stability margin calculation flow solution bifurcation Taking constant P–Q characteristics into account, method tested on IEEE 14-bus test system continuation (CPF) estimate path proposed follow stable unstable operation regions. A dynamic evaluation performed when exponential recovery motor embedded.
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