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Multi-level Inverter for the Excitation Control of an SRM  

이상훈 (경성대 공대 전기과)
박성준 (동명대 공대 전기과)
안진우 (경성대 공대 전기과)
Publication Information
The Transactions of the Korean Institute of Electrical Engineers B / v.52, no.4, 2003 , pp. 161-169 More about this Journal
Abstract
The applications of SRM(Switched Reluctance motor) are dramatically increasing due to a simple mechanical structure, a high efficiency and a high speed drive characteristics. Energy recovery in the regenerative region is very important when SRM is used in traction drive. This is to reduce energy loss during mechanical braking and/or to have a high efficiency drive. To control excitation voltage during motoring and regenerating voltage in the generator operation in the SRM, multi-level voltage control is effective. This paper suggests multi-level inverter which is useful for motoring and regenerative operation. The proposed method is verified through simulations and experiments.
Keywords
SRM; 5-level inverter; excitation control; conduction ratio;
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