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.
Experimental determination of the parameters of a T-type equivalent circuit of saturated induction engines
Experimentelle Bestimmung der Parameter der T-Ersatzschaltung von geättigten Asynchronmotoren
Russian Electrical Engineering ; 83 , 7 ; 385-388
2012
4 Seiten, 6 Bilder, 4 Quellen
Article (Journal)
English
Asynchronmotor , Asynchronmotorantrieb , Aufzug (Fördertechnik) , Belastungsabhängigkeit , Entwurfsparameter , Ersatzschaltung , experimentelle Bestimmung , experimentelles Ergebnis , Frequenzabhängigkeit , Frequenzumrichter , induktiver Widerstand , Induktivität , magnetischer Kreis , Magnetisierung , Oberleitungsbus , Polynom , Rotor (elektrische Maschine) , Signalprozessor , Stator (elektrische Maschine) , Steuerungs- und Regelungsalgorithmus , Temperaturabhängigkeit , Traktionsmotor
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