Abstract
The method for the inductance measurement applying the LC circuit concept, which means circuit with inductance and capacitor effect, for analysis of switched reluctance (SR) motors in operation status is proposed in this paper. The inductance profile is an important parameter bearing on the performance of a SR motor. The main strategy of the presented methodology is to combine the standard circuit topology analysis results and machine's equivalent model to find a dynamic measurement method for the inductance related magnetization characteristics. The capacitors in series or parallel connection to the SR machine phase inductance are the key components to construct the applicable LC circuit analysis model. Besides, this method owns the capability that being easy to be extended to estimate the incremental inductance for further performance prediction. The measurement results of two SR motors taken into verification both demonstrate the effectiveness of this method under dynamic operation condition while comparing to the conventionally off-line static measurement.
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