A method of experimental determination of parameters of a T-type equivalent circuit of induction engines with a saturated magnetic circuit is presented. The dependences of the equivalent circuit parameters on the load at different feed frequencies for a traction engine of a trolley drive and a gearless lift drive are investigated. A method od experimental determination of the parameters of a T-type equivalent circuit based on the results of XX tests at a rated frequency and SC tests at a reduced frequency is proposed. It was proposed that approximate inductances by a polynomial dependence. Such dependences are easily implemented with modern signal processors. It is important in this case for the currents in XX tests and SC tests at a reduced frequency to have close values. The dependences of the parameters of the equivalent circuit of a saturated induction engine (for a gearless lift drive and for a traction drive of a trolley) were studied. It was experimentally revealed that it is necessary to take into account variations in the equivalent circuit parameters depending on the load, temperature, and frequency.


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    Title :

    Experimental determination of the parameters of a T-type equivalent circuit of saturated induction engines


    Additional title:

    Experimentelle Bestimmung der Parameter der T-Ersatzschaltung von geättigten Asynchronmotoren


    Contributors:

    Published in:

    Publication date :

    2012


    Size :

    4 Seiten, 6 Bilder, 4 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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