Abstract
This paper addresses the evaluation of control performance in transient state by using the overmodulation of inverter. In overmodulation drive, unavoidable low order harmonics current appears in vector control and makes some troubles. To realize it by using vector control which has wide band, it needs compensation to harmonics current. So far, authors have proposed vector control system with harmonics estimator, and then it has been shown the effectiveness for the operation in overmodulation range. This paper addresses the evaluation of control performance in static state and transient state, focusing on compensation to harmonic current. It shows the effectiveness of proposed method to improve control performance in not only static states but also transient states. In addition, it shows this system realize a seamless operation in both range.
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