1.直流勵(lì)磁旋轉(zhuǎn)磁場(chǎng)直流勵(lì)磁旋轉(zhuǎn)磁場(chǎng),又稱(chēng)為機(jī)械旋轉(zhuǎn)磁場(chǎng)、主磁場(chǎng)。在同步發(fā)電機(jī)轉(zhuǎn)子上裝設(shè)有轉(zhuǎn)子繞組,通入直流后產(chǎn)生直流勵(lì)磁的磁極,當(dāng)轉(zhuǎn)子旋轉(zhuǎn)時(shí),在氣隙中形成旋轉(zhuǎn)磁場(chǎng)。該旋轉(zhuǎn)磁場(chǎng)與轉(zhuǎn)子無(wú)相對(duì)運(yùn)動(dòng)。氣隙旋轉(zhuǎn)磁場(chǎng)的轉(zhuǎn) (共 356 字) [閱讀本文] >>