In order to understand the lamp ' s negative incremental impedance of characteristics and analyze the stability of ballast / lamp system clearly , the low - frequency ballast system stability with closed loop are analyzed based on the hid lamp frequency - domain model in chapter ii 為了更好地理解燈的負阻特性并分析電子鎮流器系統的穩定性問題,論文第二章著重從燈的頻域模型出發分析了閉環控制下的低頻方波電子鎮流器系統的穩定性問題。
Simulation and analyses on the model are done . the paper gives detailed analyses of the motor ' s exciting current by the experiment of the voltage regulation system for the first time . the methods of improving automatic voltage regulator are presented based on the analyses of results 然后設計了發電調壓器的硬件電路,建立了調壓系統的頻域模型并進行了仿真分析,對發電系統作了較為全面的實驗,首次詳細分析了勵磁電流的變化規律,分析了實驗結果,提出了調壓器的改進。