欧冠杯下注

变频电机中的轴电流问题

　　SHIYONGYUTONGYONGCHUANDONGXITONGDEPUTONGLONGXINGYIBUDIANDONGJI，YESHIYONGYUZAIBIANPINDIAOSUXITONGSHANGSHIYONG。YINCIYOUBIANPINQIGONGDIANDELONGXINGBIANPINYIBUDIANDONGJI，QIJIEGOUSHEJICANSHU(JIZUOHAOHECHICUN)JUNKECANZHAOTONGYONGDELONGXINGYIBUDIANDONGJI，DANYAOZHUYIDESHIYOUYUBIANPINDIANJIZAIGEZHONGBUTONGDEPINLVXIAYUNXING，SUOYIZAISHEJIZHIZAOLONGXINGBIANPINYIBUDIANDONGJISHIYAOZHUYIZHEIYIYINSUDUIDIANJIYUNXINGCHANSHENGDEGEZHONGBULIANGYINGXIANG，QIZHONGYIGEZHUYAODEYINGXIANGSHIBIANPINDIANJIYUNXINGSHI，ZHOUDIANLIUDUIDIANJIZHOUCHENGYINGXIANG，XIANXIAOBIANCONGYIXIAJIGEFANGMIANCHANSHUBIANPINDIANJIZHOUDIANLIUDUIDIANJIZHOUCHENGDEYINGXIANGYIJIFANGFANCUOSHI。

　　1、轴电流的种类及产生的原因

　　1、DIPINZHOUDIANLIU

　　DIANDONGJICILUBUDUICHENGHUICHANSHENGDIPINZHOUDIANLIU，ZHEIZHONGXIANXIANGZAIRONGLIANGDAYU400KWDEDIANDONGJIZHONGCHANGJIAN，ZHEISHIYINWEI，BUDUICHENGDECILUHUIZAICIEZHONGCHANSHENGHUANXINGJIAOLIUCITONG(HUANZHUANGCITONG)CONGERZAITU1SUOSHIDEYOUDIANDONGJIZHUANZHOU、ZHOUCHENG、DUANGAIHEDIANDONGJIDINGZIJIZUOZUCHENGDEDAODIANXINGHUILUZHONGCHANSHENGJIAOLIUGANYINGDIANYA，DANGCIGANYINGDIANYAPOHUAILEZHOUCHENGRUNHUAJIDEJUEYUANNENGLIHOU，DIANLIUJIUHUILIUGUOBAOKUODIANDONGJIQIANHOUZHOUCHENGZAINEIDEZHEIGEHUILU。

　　2、GAOPINZHOUDIANLIU

　　GAOPINZHOUDIANLIUCHANSHENGDEYUANYIN：GONGPINSANXIANGZHENGXIANDIANYUANDIANYASHIPINGHENGDUICHENGDE，YINCI，QIZHONGXINGDIANDIANYAWEILING，KESHIBIANPINQIDESHUCHUDIANYASHITONGGUO PWMMAIKUANDIAOZHICHANSHENGDE，JITONGGUONIBIANQIJIANGZHILIUDIANYAZHUANBIANCHENGSANXIANGZHENGXIANJIAOLIUDIANYA(YUANLIJIANXIATU)。

　　SUIRANQIJIPINFENLIANGSHIDUICHENGPINGHENGDE，DANYOUYUZAINIBIANDANYUANZHONGERJIGUANDEKAIDUANBUKENENGWANQUANTONGBU，GUKECHANSHENGBUDUICHENGDEGAOCIXIEBO，DAOZHILINGXUDIANYAFENLIANGZENGDA，JIZHONGXINGDIANDIANYABUWEILING。BIAOZHUNZHONGJIANGCILINGXUDIANYADINGYIWEIGONGMODIANYA，CIDIANYAKEYIZAIFUZAIDIANDONGJIRAOZUZHONGDEZHONGXINGDIANCHUCEDE，QIPINLVYUNIBIANDANYUANZHONGERJIGUANDEKAIDUANPINLVXIANGTONG，QIFUZHIYUZHILIUMUXIANDIANYACHENGZHENGBI。BIAOZHUNGUIDINGYOUGONGMODIANYACHANSHENGDEZHOUDIANLIUJIAOGAOPINZHOUDIANLIU。

　　GAOPINZHOUDIANLIUDEZHONGLEI：

　　①、ZAIGONGMODIANYAZUOYONGXIA，YOUYANDINGZIEXUNHUANDEGAOPINCITONGCHANSHENGGAOPINGANYINGDIANYA，DANGCIGANYINGDIANYAGAODAOGOUPOHUAIZHOUCHENGRUNHUAJIDEJUEYUANSHI，SUOCHANSHENGDEYANZHOUCHENG、ZHOUHEDINGZIJIZUOLIANCHENGDEHUILUZHONGLIUDONGDEXUNHUANDIANLIU。

　　②、ZAIGONGMODIANYAZUOYONGXIA，ZAIDIANDONGJIJIZUOHEBIANPINQIJIJIAZHIJIANHUICHUXIANCHAOGUO100VDEDIANYAJIANG，XIELOUDAODINGZIJIZUOZHONGDEDIANLIUTONGGUOJINSHULIANZHOUQIYUCONGDONGJIXIESHEBEIHUILIUDAOBIANPINQIZHONG，SUOXINGCHENGDEZHOUJIEDIDIANLIU。

　　③、ZAIGAOPINGONGMODIANYAZUOYONGXIA，DIANDONGJINEIDEGEZHONGZASANDIANRONGXINGCHENGDEZUKANGBIANXIAO，CONGERWEIDIANLIULIUTONGTIGONGDIZUKANGLUJING，GUDANGDIANJINEIBUDEDIANRONGFANGDIANSHI，JIUHUICHANSHENGGAOPINDEZHOUCHENGDIANLIU。GAIDIANLIUTONGGUOBIANPINQIDEJIEDIDAOTIHEDIANRONGFANHUIDIANYUAN。

　　2、轴电流的危害

　　LIURUZHOUCHENGZHONGDEDIANLIUBIANHUAKUAI，QIBIANHUASULVQUJUEYUZHOUCHENGDEGONGYI，DANGZHOUCHENGDEGUNZHUBEIRUNHUAJIWANQUANJINMEIBUDAODIANSHI，CISHICUNZAIDEZHOUCHENGDIANRONGCHUYUJINGDIANCHONGDIANZHUANGTAI，RUGUOJINGDIANCHONGDIANDEDIANYACHAOCHUZHOUCHENGRUNHUAJIDEJUEYUANXINGNENG，JIUJIANGPOHUAIZHOUCHENGRUNHUAJIXINGCHENGDEYOUMO，CIWAIDIANDONGJICILUBUDUICHENGCHANSHENGDEGANYINGDIANYAYENENGPOHUAIZHOUCHENGRUNHUAJIDEJUEYUANXINGNENGJINERXINGCHENGJIAODADEZHOUDIANLIU，DANGZHOUDIANLIUDEMIDUCHAOGUO1.5A/mmHOU，ZHOUDIANLIUJUBUFANGDIANNENGLIANGSHIFANGCHANSHENGDEGAOWEN，KEYIRONGHUAZHOUCHENGNEIQUAN、WAIQUANHUOGUNZHUSHANGXUDUO WEIXIAOQUYU，BINGXINGCHENGAOCAO，CONGERCHANSHENGZAOSHENG、ZHENDONG，RUOBUNENGJISHIFAXIANCHULIJIANGDAOZHIZHOUCHENGSHIXIAO，DUISHENGCHANDAILAIJIDAYINGXIANG。

　　3、轴电流损伤的预防方法

　　DIANJUEYUANZHOUCHENGKEYITONGGUOJIANGJUEYUANXINGNENGJICHENGDAOZHOUCHENGZHONG，CONGGENBENSHANGXIAOCHUDIANSHI，CONGERTIGAOKEKAOXINGHEZENGJIAJIQIZHENGCHANGYUNXINGSHIJIAN。DIANJUEYUANZHOUCHENGTONGCHANGJUYOUDAIYANGHUALVTUCENGDEWAIQUANWAIJINGMIANHEDUANMIAN。DAITUCENGNEIQUANNEIKONGHEDUANMIANDEJUEYUANZHOUCHENG， YOUYUNEIQUANDETUCENGBIAOMIANJIBIWAIQUANJIAOXIAO，ZHEIXIEZHOUCHENGKETIGONGZENGQIANGDEBAOHUFANGZHIGAOPINDIANLIU。JUEYUANZHOUCHENGCAIYONGTEZHONGPENTUGONGYI，ZAIZHOUCHENGDEWAIBIAOMIANPENDUYOUZHIFUMO，FUMOYUJITIJIEHELIQIANG，JUEYUANXINGNENGHAO，KEBIMIANGANYINGDIANLIUDUIZHOUCHENGDEDIANSHIZUOYONG，FANGZHIDIANLIUDUIRUNHUAZHIHEGUNDONGTI、GUNDAOZAOCHENGDESUNHUAI，TIGAOZHOUCHENGDESHIYONGSHOUMING。