Browsing Research articles (Dept of Electrical Engineering) by Author "Litchev, A.I."

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  • Implementation of a single phasing protective circuit for three phase induction motors 

    Litchev, A.I.; Yanev, K.M. (University of Botswana, 2006)
    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 ...

  • Improvement of AC electronmagnet performance 

    Litchev, A.I.; Yanev, K.M. (University of Botswana, 1999)
    Electromagnets are essentials for the operation of relays, contactors and other electromagnetic apparatus and take part in driving control and protective circuits of industrial processes and power systems. Performance of ...