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大型高压发电机的超低频耐压试验方法

  CHAODIPINGAOYAFASHENGQICAIYONGQUANDIANZIHUASHEJI,SUOYITIJIXIAOZHONGLIANGQING、DAPINGMUYEJINGXIANSHI,QINGXIZHIGUAN、QIENENGXIANSHISHUCHUBOXING、DAYINSHIYANBAOGAO。DAXINGGAOYAFADIANJIDECHAODIPINNAIYASHIYANFANGFARUXIA:

  CHAODIPINGAOYAFASHENGQIDUIFADIANJIDECHAODIPINNAIYASHIYANCAOZUOFANGFAYUCHAODIPINGAOYAFASHENGQIDUIDIANLANDECAOZUOFANGFAXIANGSI。XIAMIANWUHANSHIHEZHONGDIANQIJIUSHIYANBUTONGDEDIFANGZUOZHONGDIANBUCHONGSHUOMING。

  ZAIJIAOJIE、DAXIU、JUBUGENGHUANRAOZUYIJICHANGGUISHIYANSHI,JUNKEJINXINGCIXIANGSHIYAN。YONG0.1HZCHAODIPINDUIDIANJIJINXINGNAIYASHIYAN,DUIFADIANJIDUANBUJUEYUANDEQUEXIANBIGONGPINNAIYASHIYANGENGYOUXIAO。QIYUANYINSHIZAIGONGPINDIANYAXIA,YOUYUCONGXIANBANGLIUCHUDEDIANRONGDIANLIUZAILIUJINGJUEYUANWAIMIANDEBANDAOTIFANGYUNCENGSHIZAOCHENGLEJIAODADEDIANYAJIANG,YINERSHIDUANBUDEXIANBANGJUEYUAN。

超低频高压发生器

  CHENGSHOUDEDIANYAJIANXIAO;ERZAICHAODIPINQINGKUANGXIA,CIDIANRONGDIANLIUDADAJIANXIAOLE,BANDAOTIFANGYUNCENGSHANGDEYAJIANGYEDAWEIJIANXIAO,GUDUANBUJUEYUANSHANGDIANYAJIAOGAO,BIANYUFAXIANQUEXIAN。

  超低频高压发生器连线方法:试验时应分相进行,被试相加压,非被试相短接接地。如超低频高压发生器内置的线路连接图所示。

  ANZHAOYOUGUANGUICHENGDEYAOQIU,SHIYANDIANYAFENGZHIKEANRUXIAGONGSHIQUEDING:

  Umax=√2βKU0

  QIZHONGUmax:WEI0.1HzSHIYANDIANYADEFENGZHI(KV)

  β:0.1HzYU80HzDIANYADEDENGXIAOXISHU,ANWOGUOGUICHENGDEYAOQIU,QU1.2

  K:TONGCHANGQU1.3~1.5 YIBANQU1.5

  U0:FADIANJIDINGZIRAOZUEDINGDIANYA(KⅤ)

  LIRU:EDINGDIANYAWEI13.8KVDEFADIANJI,CHAODIPINDESHIYANDIANYAFENGZHIJISUANFANGFAWEI:Umax=√2×1.2×1.5×13.8~35.1(KV)

  CHAODIPINGAOYAFASHENGQISHIYANSHIJIANANYOUGUANGUICHENGJINXING。

  ZAINAIYAGUOCHENGZHONG,RUOWUYICHANGSHENGXIANG、QIWEI、MAOYANYIJISHUJUXIANSHIBUWENDINGDENGXIANXIANG,KEYIRENWEIJUEYUANNAISHOUZHULESHIYANDEKAOYAN。WEILEGENGHAODILEJIEJUEYUANQINGKUANG,YINGJINKENENGQUANMIANJIANSHIJUEYUANDEBIAOMIANZHUANGTAI,TEBIESHIKONGLENGJIZU。JINGYANZHICHU,WAIGUANJIANSHINENGFAXIANYIBIAOSUOBUNENGFANYINGDEFADIANJIJUEYUANBUZHENGCHANGXIANXIANG,RUBIAOMIANDIANYUN、FANGDIANDENG。



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