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dc.contributor.authorSrivani, S.G.-
dc.contributor.authorVittal, K.P.-
dc.date.accessioned2020-03-30T10:22:28Z-
dc.date.available2020-03-30T10:22:28Z-
dc.date.issued2008-
dc.identifier.citation2008 Joint International Conference on Power System Technology POWERCON and IEEE Power India Conference, POWERCON 2008, 2008, Vol., , pp.-en_US
dc.identifier.urihttp://idr.nitk.ac.in/jspui/handle/123456789/8605-
dc.description.abstractThis paper presents the design of an hybrid scheme of wavelet transforms and an adaptive Fourier filtering technique for on line fault detection and phasor estimation to fast distance protection of transmission lines. The wavelet transform is used as a signal processing tool. The sampled voltage and current signals at the relay location are decomposed using wavelet transform- Multi Resolution Analysis (MRA). The decomposed signals are used for the fault detection and as input to the phasor estimation algorithm. The phasor estimation algorithm possesses the advantage of recursive computing and a decaying dc offset component is removed from fault signals by using an adaptive compensation method. Fault detection index and a variable data window scheme are embedded in the algorithm. The proposed scheme provides capability for fast tripping decision, taking accuracy into account. Extensive simulation tests and comparative evaluation presented prove the efficacy of the proposed scheme in distance protection. � 2008 IEEE.en_US
dc.titleOn line fault detection and an adaptive algorithm to fast distance relayingen_US
dc.typeBook chapteren_US
Appears in Collections:2. Conference Papers

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