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Title: Microprocessor-based system for identification of phase sequence and detection ofphase unbalance of three-phase ac supply
Authors: Kundu, Palash
Das, Arabinda
Keywords: Microprocessor-based system
Phase sequence
Phase unbalance
Issue Date: Jul-2009
Publisher: CSIR
Abstract: A prototype detection system based on 8085 microprocessor / 8751 microcontroller has been developed for identificationof phase sequence and detection of phase unbalance. System principle compares self-generating code by hardware circuit withpre-defined specific codes corresponding to positive and negative sequences for successful match in each measuring cycle.System is also capable in detecting phase unbalance, if any. Rule based intricate software algorithm is developed and operateswithin a cycle. Processor generates signals for detecting phase sequence and phase unbalance up to a recommended value
Page(s): 597-604
ISSN: 0022-4456
Source:JSIR Vol.68(07) [July 2009]

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