Identification of induction motor equivalent circuit parameters using the single-phase test

In this paper, a new method of identification of the induction motor equiva lent circuit parameters is introduced and discussed. The proposed method us es the single-phase test results as a base test for calculating the equival ent circuit parameters of the induction motor. The single-phase test is per formed using a variable frequency power supply (inverter). The test was con ducted at various frequencies while the voltage, current and power factor w ere measured. Thereafter, the motor parameters are calculated. The precisio n of calculation of the motor parameters is sensitive to the accuracy of me asurements which can be improved by the use of high performance microproces sors.