在綜合分析諧波勵磁無刷同步發電機勵磁控制系統的基礎上,對其勵磁控制策略進行了研究,開發了一套基于DSP( TMS320F2812) 控制的新型柴油發電機勵磁控制系統,該系統采用參數自適應模糊PID 控制勵磁,選用交流采樣方式實時檢測各信號的瞬時特性,系統仿真結果以及在1 臺25 kW 工頻柴油發電機上的試驗結果證明了該控制器具有較好的電壓調節特性,系統穩態和暫態性能完全滿足發電機對勵磁系統的要求。
關鍵詞:勵磁調節;模糊PID 控制;數字信號處理器;交流采樣

Abstract :According to the general analysis of the excitation cont rol system of the harmonious wave excitation brushless synchronous generator and it s characteristics ,a new type of diesel generator excitation cont rol system based on DSP( TMS320F2812) was designed. An adaptive fuzzy PID cont rol of excitation is used in this system. To detect the t ransient characteristics of the signals in a timely manner ,AC sampling was applied.The system simulation result s and the testing result s f rom a 25 kW diesel generator (50 Hz) can prove that the voltage regulation characteristics of the excitation cont rol system are very well ,and both the steadyOstate performance and the t ransient performance of the generator are also good.
Key words :excitation cont rol ;fuzzy PID cont rol ;digital signal processor (DSP) ;AC sampling

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