Browsing by Author "Yanev, K.M."

Now showing items 1-4 of 4

  • Application of the method of D-partitioning for stability of control systems with variable parameters 

    Yanev, K.M. (University of Botswana, www.ub.bw, 2007)
    By the turn of the century, Botswana will be 34 years old as an independent nation. Reflecting on the past, is a background of tremendous achievements from a socio-economic development perspective. The achievements could ...

  • Design of automatic power factor control system 

    Yanev, K.M.; Obok Opok, A.; Litchev, A. (University of Botswana, www.ub.bw, 2004)
    Maintenance of the proper power factor is a very important matter for the industry and for the economy of any country. A study of the power factor value for a number of industrial plants in Botswana shows that they operate ...

  • 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 ...