WSEAS Transactions on Power Systems
Print ISSN: 1790-5060, E-ISSN: 2224-350X
Volume 8, 2012
Wavelet Entropy: Application in Islanding Detection
Authors: , ,
Abstract: With the increased demand of electrical power, penetration of distributed generation in the grid is also increased. Connecting distributed generators with grid created many interconnection problems. Islanding detection is an important and challenging issue of them. Several methods are available in literature based on passive and active detection schemes. Both schemes have their own problems like non detection zone, nuisance tripping, and power quality degradation. This paper proposes wavelet entropy based passive detection scheme. This method can detect islanding with zero non detection zone (NDZ) and without affecting the output power quality. The implementation of the method is done on Matlab- Simulink and its effectiveness is test for standard IEEE test circuit.
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Keywords: Distributed generators, Islanding detection, Wavelet, Energy Entropy, Non detection zone, Inverter