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变频器定期维护新项目及检修检验常见问题

浏览量:   来源:sx064.com  作者:宝川

江西快3ZAIYINGYONGZHONGYINGDANGJINXINGDINGQIWEIHUHEJIANYANJIANXIU,JINRI,SHANDONGSHENGABBGAOYABIANPINQIWEIXIUGUZHANGSHENGCHANCHANGJIALAIJIDAHUOERGONGXIANGYIXIAXIAGONGZUOJINGYAN!

In the application, regular maintenance and inspection should be carried out. Today, Shandong ABB High Voltage Inverter Maintenance Fault Manufacturer to share the next work experience for everyone!

1、BIANPINQIDINGQIJIANCHAXIANGMU

1. Frequency Converter Regular Inspection Items

江西快31)KAIGUANDIANYUANGONGZUODIANYAQUEDINGHEHURUANQIDONGQIXUYAOGONGZUODIANYA;BUXIANJIEXIANDUANZIHESHEPINLIANJIEQI,SHIBUSHISONGTUO(DIANYUANCHATOUYUJIEXIANDUANZIZHONGSHIBUSHIYOUDUANGU);

1) The working voltage of switching power supply conforms to the requirement of soft starter, wiring terminal and radio frequency connector are loosened (whether there is a broken strand in the power plug and terminal);

2)BIANPINQINEIBUSHIFOUYOUHUICHEN,SHUCHUDIANLIU,SHUCHUPINLV(LIANGCHUJIEGUOQICHAJUBUKETAIDA);

江西快32) Whether there is dust inside the converter, output current and output frequency (the difference between measured results can not be too large);

江西快33)JIANCHAZHOUWEIDEWENDUSHIFOUZAI-5℃ ~ 40℃ZHIJIAN,ANZHUANGHUANJINGSHIFOUTONGFENGLIANGHAO;

江西快33) Check whether the ambient temperature is between - 5 40 and whether the installation environment is well ventilated.

4)SHIDU:WEICHIZAI90%YIXIA(BUKEYOUJIESHUIDIDEXIANXIANG);

江西快34) Humidity: keep below 90% (no water droplets);

5)YUNZHUANZHONGYOUWUYICHANGSHENGYINHUOYICHANGZHENDONGXIANXIANG(BIANPINQIBUKEZHIYUZHENDONGDADEDIFANG);

5) Whether there is abnormal sound or abnormal vibration in operation (the frequency converter should not be placed in the place where the vibration is large);

6)TONGQIKONGJINGQINGDINGQIZUOQINGSAOGONGZUO。

江西快36) Ventilation holes should be cleaned regularly.

江西快32、BIANPINQIWEIXIUJIANCEZHUYISHIXIANG

江西快32. Notices for Frequency Converter Maintenance and Inspection

1)WEIHUJIANCHASHI,WUBIXIANQIEDUANSHURUBIANPINQI(R.S.T)DEDIANYUAN;

1) When maintaining and checking, it is necessary to cut off the power supply of the input converter (R.S.T).

江西快32)QUEDINGBIANPINQIDIANYUANQIEDUAN,XIANSHIXIAOSHIHOU,DENGDAONEIBUGAOYAZHISHIDENGXIMIEHOU,CAISHISHIWEIHU、JIANCHA;

2) Make sure that the power supply of the converter is cut off and the display disappears. After the internal high-voltage indicator is extinguished, the maintenance and inspection will be carried out.

3)ZAIJIANCHAGUOCHENGZHONG,JUEDUIBUKEYIJIANGNEIBUDIANYUANJIXIANCAI,PAIXIANBAQIJIWUPEI,FOUZEHUIZAOCHENGBIANPINQIBUGONGZUOHUOSUNHUAI;

3) In the process of inspection, internal power supply and wire must not be pulled up and mismatched, otherwise the converter will not work or damage;

江西快34)ANZHUANGSHILUOSIDENGPEIJIANBUKEZHILIUZAIBIANPINQINEIBU,YIMIANDIANLUBANZAOCHENGDUANLUXIANXIANG;

4) When installing, screw and other accessories should not be left inside the converter, so as to avoid short circuit caused by circuit board.

江西快35)ANZHUANGHOUBAOCHIBIANPINQIDEGANJING,BIMIANCHENAI,YOUWU,SHIQIQINRU。

江西快35) Keep the frequency converter clean after installation, avoid dust, oil mist and moisture intrusion.

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