由于发电机江西快3差动保护不能保护定子绕组匝间短故障，在发生匝间短路后，若不能及时处理，则可能发展成为相间故障，造成发电机重大损坏，因此在大机组中都装设有发电机定子匝间短路保护，同时也可保护定子绕组断线故障。

定子绕组的保护的工作原理和构成：

江西快3 1、SHUANGXINGXINGJIEXIANDEHENGCHABAOHU;

江西快3 2、DINGZIRAOZULINGXUDIANYAYUANLI;

3、FUXUGONGLVFANGXIANGBISUOZHUANZIERCIXIEBODIANLIUZAJIANDUANLUBAOHU;

同步发电机的匝间短路保护

江西快3 SHANYUZONGCHADONGBAOHUBUFANYINGFADIANJIDINGZIRAOZUYIXIANGZAJIANDUANLU，YINCI，FADIANJIDINGZIRAOZUYIXIANGZAJIANDUANLUHOU，RUBUNENGJISHICHULIGUZHANG，ZEKENENGFAZHANCHENGWEIXIANGJIANGUZHANG，ZAOCHENGFADIANJIDEYANZHONGSUNHUAI。YINCI，ZAIFADIANJISHANG(YOUQISHIDAXINGFADIANJI)YINGZHUANGSHEDINGZIZAJIANDUANLUBAOHU,SHIGONGDIANTI。

一、匝简短路的特点

(1)FADIANJIDINGZIRAOZUYIXIANGZAJIANDUANLUSHI，ZAIDUANLUDIANLIUZHONGYOUZHENGXU、FUXUHELINGXUFENLIANGQIEGEXUDIANLIUXIANGDENG，TONGSHIDUANLUCHUSHUNYECHUXIANFEIZHOUQIFENLIANG。

江西快3 (2)FADIANJIBUTONGXIANGZAJIANDUANLUSHI，BIJIANGCHUXIANHUANLIUDEDUANLUDIANLIU。

(3)FADIANJIDINGZIRAOZUDEXIANQUANZAJIANDUANLUSHI，YOUYUPOHUAILEFADIANJIA、B、CSANXIANGDUIZHONGXINGDIANZHIJIANDEDIANDONGSHIPINGHENG，SANXIANGBUPINGHENGDIANDONGSHIZHONGDELINGXUFENLIANGFANYINGDAODIANYAHUGANQISHI，KAIKOUSANJIAOXINGRAOZUDESHUCHUDUANJIUYOU3Uo，ERYICIHUILUZHONGCHANSHENGDELINGXUDIANLIUZEHUIZAIBINGLIANFENZHIRAOZULIANGGEZHONGDIANZHIJIANDELIANXIANXINGCHENGHUANLIU。

(4)YOUYUYIXIANGZAJIANDUANLUSHI，CHUXIANFUXUFENLIANG，TACHANSHENGFANXIANGXUANZHUANCICHANG，YINERZAIZHUANZIHUILUZHONGGANYINGCHUERBEIPINLVDEDIANLIU，ZHUANZIZHONGDEDIANLIUFANGUOLAIYOUZAIDINGZIZHONGGANYINGCHUQITACIXIEBOFENLIANG，ZHEIYANG,BEIJINGZHUANYECHAICHUJIAGUGONGSI，DINGZIHEZHUANZIFANFUHUXIANGYINGXIANG，JIUZAIDINGZIHEZHUANZIHUILUZHONGCHANSHENGYIXILIEXIEBOFENLIANG。ERQIEYOUYUYIXIANGZHONGYIBUFENXIANQUANBEIDUANJIE，JIUKENENGSHIDEZAIBUTONGJIXINGXIADEDIANSHUFANYINGBUDUICHENG，YEJIANGZAIZHUANZIHUILUZHONGCHANSHENGXIEBOFENLIANG。

(5)一相匝间短路时的负序功率的方向与发电机其他内部及外部不对称短路时的负序功率方向相反