描述
3HAC14178-1
頻率歸算: 保持整個(gè)系統(tǒng)的電磁性能不變,把一種頻率的參數(shù)及有關(guān)物理量折算成另一種頻率的參數(shù)及物理量。即用一個(gè)具有定子頻率而等值于轉(zhuǎn)子的電去代替實(shí)際的轉(zhuǎn)子電路。這必須保證:
轉(zhuǎn)子磁動(dòng)勢(shì)F2不變(同轉(zhuǎn)速,同幅值,同空間相位角)。.等值的轉(zhuǎn)子電路的電磁性能(有功功率,無功功率,銅耗等)必須與實(shí)際轉(zhuǎn)子一樣。
分析表明用靜止的轉(zhuǎn)子代替實(shí)際的轉(zhuǎn)子。
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