Hybrid, high speed fault detection based on instantaneous line voltages Public Deposited

http://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/qz20sw227

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  • This fault detection scheme is based on sampling the instantaneous phase voltages and checking their sum and magnitude against a specified voltage. Faults on the system cause unbalances and distortion of the phase voltages and currents. The currents and voltages change in magnitude and/or phase position with respect to the prefault condition. The measurement of this deviation from the normal condition indicates a fault. This scheme detected the fault within one-half cycle (8 milliseconds) in the laboratory. It is shown that this scheme is simpler and faster to implement than conventional detection schemes.
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  • description.provenance : Approved for entry into archive by Patricia Black(patricia.black@oregonstate.edu) on 2013-10-21T18:13:56Z (GMT) No. of bitstreams: 1 RamchandaniHiranandB1978.pdf: 842476 bytes, checksum: f33dbc814d2338df45bb796a6a58461e (MD5)
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