陕(Shan)西(Xi)电(Dian)机(Ji)分(Fen)享(Xiang)作(Zuo)电(Dian)动(Dong)机(Ji)运(Yun)行(Xing)的(De)三(San)相(Xiang)异(Yi)步(Bu)电(Dian)机(Ji)。(?)三(San)相(Xiang)异(Yi)步(Bu)电(Dian)动(Dong)机(Ji)转(Zhuan)子(Zi)的(De)转(Zhuan)速(Su)低(Di)于(Yu)旋(Xuan)转(Zhuan)磁(Ci)场(Chang)的(De)转(Zhuan)速(Su),(?)转(Zhuan)子(Zi)绕(Rao)组(Zu)因(Yin)与(Yu)磁(Ci)场(Chang)间(Jian)存(Cun)在(Zai)着(Zhuo)相(Xiang)对(Dui)运(Yun)动(Dong)而(?)感(Gan)生(Sheng)电(Dian)动(Dong)势(Shi)和(He)电(Dian)流(Liu),(?)并(Bing)与(Yu)磁(Ci)场(Chang)相(Xiang)互(Hu)作(Zuo)用(Yong)产(Chan)生(Sheng)电(Dian)磁(Ci)转(Zhuan)矩(Ju),(?)实(Shi)现(Xian)能(Neng)量(Liang)变(Bian)换(Huan)。(?)
与(Yu)单(Dan)相(Xiang)异(Yi)步(Bu)电(Dian)动(Dong)机(Ji)相(Xiang)比(Bi),(?)三(San)相(Xiang)异(Yi)步(Bu)电(Dian)动(Dong)机(Ji)运(Yun)行(Xing)性(Xing)能(Neng)好(Hao),(?)并(Bing)可(Ke)节(Jie)省(Sheng)各(Ge)种(Zhong)材(Cai)料(Liao)。(?)按(An)转(Zhuan)子(Zi)结(Jie)构(Gou)的(De)不(Bu)同(Tong),(?)三(San)相(Xiang)异(Yi)步(Bu)电(Dian)动(Dong)机(Ji)可(Ke)分(Fen)为(Wei)笼(Long)式(Shi)和(He)绕(Rao)线(Xian)式(Shi)两(Liang)种(Zhong)。(?)笼(Long)式(Shi)转(Zhuan)子(Zi)的(De)异(Yi)步(Bu)电(Dian)动(Dong)机(Ji)结(Jie)构(Gou)简(Jian)单(Dan)、(?)运(Yun)行(Xing)可(Ke)靠(Kao)、(?)重(Zhong)量(Liang)轻(Qing)、(?)价(Jia)格(Ge)便(Bian)宜(Yi),(?)得(De)到(Dao)了(Liao)广(Guang)泛(Fan)的(De)应(Ying)用(Yong),(?)其(Qi)主(Zhu)要(Yao)缺(Que)点(Dian)是(Shi)调(Diao)速(Su)困(Kun)难(Nan)。(?)绕(Rao)线(Xian)式(Shi)三(San)相(Xiang)异(Yi)步(Bu)电(Dian)动(Dong)机(Ji)的(De)转(Zhuan)子(Zi)和(He)定(Ding)子(Zi)一(Yi)样(Yang)也(Ye)设(She)置(Zhi)了(Liao)三(San)相(Xiang)绕(Rao)组(Zu)并(Bing)通(Tong)过(Guo)滑(Hua)环(Huan)、(?)电(Dian)刷(Shua)与(Yu)外(Wai)部(Bu)变(Bian)阻(Zu)器(Qi)连(Lian)接(Jie)。(?)调(Diao)节(Jie)变(Bian)阻(Zu)器(Qi)电(Dian)阻(Zu)可(Ke)以(Yi)改(Gai)善(Shan)电(Dian)动(Dong)机(Ji)的(De)起(Qi)动(Dong)性(Xing)能(Neng)和(He)调(Diao)节(Jie)电(Dian)动(Dong)机(Ji)的(De)转(Zhuan)速(Su)。(?)