中原风采22选5走势图

中原风采22选5走势图HUANYINGFANGWENSHENZHENSHIYIJIEZIDONGHUASHEBEIYOUXIANGONGSIGUANWANG!

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变频器维修之过热保护

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变频器维修之过热保护

发布日期:2019-04-15 作者: 点击:

变频器维修之过热保护

  WEIXIUBIANPINQIQISHIJIUSHIZAILILUNZHISHIHESHIJIANXIANGJIEHEDEYIXIANGGONGZUO,DANSHICONGSHIBIANPINQIWEIXIUDERENYUANYINGGAIDUIBIANPINQIGUOREBAOHUDOUZHIXIAONAXIECHANGSHI,YIQILAIKANKANBA!


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  ZAIVVVFDESHISHI,YOULIANGZHONGJIBENDEDIAOZHIFANGFA:


  1.MAIFUDIAOZHI (PAM) NIBIANQISUODEJIAOLIUDIANYADEZHENFUZHIDENGYUZHILIUDIANYAZHI(Um=Ud)。YINCI,SHIXIANBIANPINYESHIBIANYADEZUIRONGYIXIANGDAODEFANGFA,BIANSHIZAIDIAOJIEPINLVDETONGSHI,YEDIAOJIEZHILIUDIANYA;


中原风采22选5走势图  ZHEIZHONGFANGFADETEDIANSHI,BIANPINQIZAIGAIBIANSHUCHUPINLVDETONGSHI,YEGAIBIANLEDIANYADEZHENFUZHI,GUCHENGWEIMAIFUDIAOZHI,CHANGYONGPAM(Pulse Amplitude Modulation)BIAOSHI。 PAMXUYAOTONGSHIDIAOJIELIANGBUFEN:ZHENGLIUBUFENHENIBIANBUFEN,LIANGZHEZHIJIANHAIBIXUMANZUKuHEKfJIANDEYIDINGDEGUANXI,GUQIKONGZHIDIANLUBIJIAOFUZA。


  2.MAIKUANDIAOZHI(PWM) BAMEIBANGEZHOUQINEI,SHUCHUDIANYADEBOXINGFENGECHENGRUOGANGEMAICHONGBO,MEIGEMAICHONGDEKUANDUWEIT1,MEILIANGGEMAICHONGJIANDEJIANGEKUANDUWEIT2,NEIMEMAICHONGDEZHANKONGBIΥ=T1/(T1+T2)。


中原风采22选5走势图  ZHEISHI,DIANYADEPINGJUNZHIHEZHANKONGBICHENGZHENGBI,SUOYIZAIDIAOJIEPINLVSHI,BUGAIBIANZHILIUDIANYADEFUZHI,ERSHIGAIBIANSHUCHUDIANYAMAICHONGDEZHANKONGBI,YETONGYANGKEYISHIXIANBIANPINYEBIANYADEXIAOGUO。DANGDIANYAZHOUQIZENGDA(PINLVJIANGDI),DIANYAMAICHONGDEFUZHIBUBIAN,ERZHANKONGBIZAIJIANXIAO,GUPINGJUNDIANYAJIANGDI。


中原风采22选5走势图  CIFADETEDIANSHI,BIANPINQIZAIGAIBIANSHUCHUPINLVDETONGSHI,YEGAIBIANSHUCHUDIANYADEMAICHONGZHANKONGBI(FUZHIBUBIAN)GUCHENGWEIMAIKUANDIAOZHI,CHANGYONGPWM(Pulse width modulation)BIAOSHI。


中原风采22选5走势图  PWMZHIXUKONGZHINIBIANDIANLUBIANKESHIXIAN,YUPAMXIANGBI,KONGZHIDIANLUJIANHUALEXUDUO。


  BULUNSHIPAM,HAISHIPWM,QISHUCHUDIANYAHEDIANLIUDEBOXINGDOUSHIFEIZHENGXUANBO,JUYOUXUDUOGAOCIXIEBOCHENGFEN。WEILESHISHUCHUDIANLIUDEBOXINGJIEJINYUZHENGXUANBO,YOUTICHULEZHENGXUANBOMAIKUANDIAOZHIDEFANGSHI。XIACIJIEZHEJIANGSPWM GEWEIPENGYOUDAJIAHAO,JINTIANWOYAOWEIDAJIAJIANGDESHI:ZHENGXIANBOMAIKUANDIAOZHI。

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中原风采22选5走势图  ZUIHOU,XIAOBIANXIANGSHUOLEJIEBIANPINQINEIBUDEDIANZIYUANQIJIANSUOJUBEIDEGONGNENGHETEDIAN,KAITUOZHISHIMIAN,ZHEIYANGCAISHIYIMINGHEGEBIANPINQIWEIXIUZHE,DAJIASHUOSHIBUSHIZHEIYANGDEDAOLI。

中原风采22选5走势图    XIANGYAOLEJIEGENGDUOGUANYUBIANPINQIDEXIANGGUANXINXIKEYIZHIJIEFANGWENWANGZHAN:http://xyffh.com/

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关键词:变频器维修,变频器,PLC维修

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