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A Design of High Speed SRM Drive System  

Lee, Ju-Hyun (경성대 공대 전기전자공학)
Lee, Dong-Hee (경성대 공대 전기메카공학부)
Ahn, Jin-Woo (경성대 전기메카공학부)
Publication Information
The Transactions of the Korean Institute of Electrical Engineers B / v.55, no.7, 2006 , pp. 337-345 More about this Journal
Abstract
This paper proposes a high speed SRM drive system for blower application with a new 4-level inverter and precise excitation position generator. For a high speed blower, a proper inverter and control method are proposed and the output characteristics are analyzed. In order to get a fast build-up and demagnetization of excitation current, a 4-level inverter system is proposed. The proposed 4-level inverter has additional charge capacitor, power switch and diode in the conventional asymmetric converter. The charged high voltage is supplied to the phase winding for fast current build-up, and demagnetization current is charged to additional capacitor of the 4-level inverter. In addition, a precise excitation position generator can reduce turn-on and turn-off angle error according to sampling period of digital control system. The proposed high speed SRM drive system is verified by computer simulation and experimental results.
Keywords
SRM; High Speed; 4-Level Inverter; DSP2812;
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  • Reference
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