fa dian ji zhuan zi hui lu yi dian jie di shi , yin yi dian jie di bu xing cheng dian liu hui lu , gu zhang dian wu dian liu tong guo , li ci xi tong reng bao chi zheng chang zhuang tai , gu bu ying xiang ji zu de zheng chang yun xing 。dang zhuan zi hui lu yi dian jie di gu zhang bu neng xiao chu , bing qie chu xian xin zeng jie di dian shi zhuan zi yi dian jie di zhuan huan wei zhuan zi liang dian jie di , " 期间需要注意的是,发电机转子的第二点接地,一旦出现第二点接地。就容易形成回路,发电机转子接地保护就是立即发出跳闸命令。发电机转子接地有几种
可能出现第二个接地点,形成两点接地故障。因此,汽轮发电机转子一点接地后运行运行两小时,2小时内处理不了停机检查,而水轮发电机组在励磁回路一点发电机转子回路一点接地时,因一点接地不形成电流回路,故障点无电流通过,励磁系统仍保正常状态,故不影响机组的正常运行。当转子回路一点接地故障不能消除,并且出现新增接地点时转子一点接地转换为转子两点接地,
fa dian ji zhuan zi yi dian jie di shi zhi zhuan zi rao zu huo li ci hui lu fa sheng yi dian jie di shi , bing bu gou cheng dian liu tong lu , dui fa dian ji bu hui you zhi jie de wei hai 。dan ru guo bu ji shi chu li , zhuan zi hui lu dui di dian ya you suo zeng da jiu you ke neng dao zhi zhuan zi liang dian jie di , wei ji fa dian ji he xi tong de an quan 。zhuan zi yi dian jie " 5.1故障处理分析---220kV母线电压波形异常,零序电压产生。根据现场实际波形,分析故障原因! 03:09 5.2故障处理分析---电力系统出现铁磁谐振的原因及相关处理办法分享给大家! 09:03 5.3故障处理分析--
ke neng chu xian di er ge jie di dian ,xing cheng liang dian jie di gu zhang 。yin ci ,qi lun fa dian ji zhuan zi yi dian jie di hou yun xing yun xing liang xiao shi ,2 xiao shi nei chu li bu le ting ji jian zha ,er shui lun fa dian ji zu zai li ci hui lu yi dian " qi jian xu yao zhu yi de shi ,fa dian ji zhuan zi de di er dian jie di ,yi dan chu xian di er dian jie di 。jiu rong yi xing cheng hui lu ,fa dian ji zhuan zi jie di bao hu jiu shi li ji fa chu tiao zha ming ling 。fa dian ji zhuan zi jie di you ji zhong "
5 . 1 gu zhang chu li fen xi - - - 2 2 0k V mu xian dian ya bo xing yi chang , ling xu dian ya chan sheng 。gen ju xian chang shi ji bo xing , fen xi gu zhang yuan yin ! 03 : 09 5 . 2 gu zhang chu li fen xi - - - dian li xi tong chu xian tie ci xie zhen de yuan yin ji xiang guan chu li ban fa fen xiang gei da jia ! 09 : 03 5 . 3 gu zhang chu li fen xi - - " 发电机转子一点接地是指转子绕组或励磁回路发生一点接地时,并不构成电流通路,对发电机不会有直接的危。但如果不及时处理,转子回路对地电压有所增大就有可能导致转子两点接地,危及发电机和系统的安全。转子一点接