Show simple item record Litchev, A.I. Yanev, K.M. 2010-10-20T15:40:36Z 2010-10-20T15:40:36Z 2006
dc.identifier.citation Litchev, A.I. and Yanev, K.M. (2006) Implementation of a single phasing protective circuit for three phase induction motors, Botswana Journal of Technology, Vol.15,,No.1, pp.43-50 en_US
dc.identifier.issn 1019 1593
dc.description.abstract Analysis of the induction motor failures show, that a significant number of motors are damaged due to single phasing.At such conditions the current increases rapidly and the motor is subjected to burnouts and consequently to long downfalls in the corresponding industry.Normally all motors are protected against thermal overloading by bimetal relays, but they are not always capable to ensure protection at single phasing.A secure protection is needed to trip the motor off in any case of single phasing especially for high power motors. The problems related to the motor protection against single phasing are discussed in this paper paper and for ensuring of such protection an electronic circuit is proposed and described. The circuit reacts immediately whenever a motor line current gets zero.A signal from this circuit switches off the motor starter on failures of anyone of the three phases. In such way the motor burnouts and downfalls are prevented. en_US
dc.language.iso en en_US
dc.publisher University of Botswana en_US
dc.subject Induction motor en_US
dc.subject Overloading en_US
dc.subject Single phasing en_US
dc.subject Protection en_US
dc.title Implementation of a single phasing protective circuit for three phase induction motors en_US
dc.type Published Article en_US

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