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变频器安装和接线规范的详细说明

浏览量:   来源:sx064.com  作者:宝川

江西快3JINANBIANPINQIWEIXIU:BIANPINQINENGWENDINGGONGZUO,BIXUQUEBAOBIANPINQIYUNXINGHUANJINGMANZUQISUOGUIDINGRONGXUHUANJING。

Jinan Inverter Maintenance: Inverter can work steadily, it must ensure that the operating environment of the converter meets its allowable environment.

1. ANZHUANGCHANGSUO:

1. Installation site:

1: DIANQISHIYINGSHIQISHAO、WUSHUIJIN2: WUBAOZHAXING、RANSHAOXINGHUOFUSHIXINGQITIHEYETI,FENCHENSHAO3: WEIXIUJIANCHARONGYIJINXING4: YINGBEIYOUTONGFENGKOUHUOHUANQIZHUANGZHIYIPAICHUBIANPINQICHANSHENGRELIANG2. SHIYONGTIAOJIAN:

江西快31: Electrical chamber should have less moisture, no water immersion 2: no explosive, burning or corrosive gases and liquids, less dust 3: Maintenance inspection is easy to carry out 4: Ventilation or ventilation device should be equipped to discharge the heat generated by frequency converter 2. Use conditions:

江西快31: BIANPINQIYUNXINGWENDUDUOWEI:0~40HUO-10~50,YAOZHUYIBIANPINQIJUTITONGFENGXING。

1: Frequency converter operating temperature is mostly 0-40 or-10-50, attention should be paid to the ventilation of the converter cabinet.

江西快32: BIANPINQIZHOUWEISHIDUWEI90%YIXIA。ZHOUWEISHIDUGUOGAO,CUNDIANQIJIEYUANJIANGDIHEJINSHUBUFENFUSHIWENTI。SHOUANZHUANGCHANGSUOXIANZHI,BIANPINQIBUYIANZHUANGSHIDUGAOCHANGSUO,BIANPINQIJUTIYINGJINLIANGCAIYONGMIFENGJIEGOU。WEIFANGZHIBIANPINQITINGZHISHIJIELU,ZHUANGZHIXUJIADUILIUJIAREQI。

2: The humidity around the frequency converter is below 90%. High ambient humidity, low electrical junction and corrosion of metal parts. Due to the limitation of installation site, the frequency converter has not been installed in high humidity places, so the cabinet of the frequency converter should adopt sealed structure as far as possible. In order to prevent condensation when frequency converter stops, convection heater is needed in the device.

江西快33: BIANPINQIZHOUWEIBUYINGYOUFUSHIXING、BAOZHAXINGHUORANSHAOXINGQITIYIJIFENCHENHEYOUWU。BIANPINQIANZHUANGZHOUWEIRUYOUBAOZHAXINGHERANSHAOXINGQITI,BIANPINQINEIYOUYICHANSHENGHUOHUAJIDIANQIHEJIECHUQI,HUIYINQIHUOZAIHUOBAOZHASHIGU。YOUFUSHIXINGQITISHI,JINSHUBUFENCHANSHENGFUSHI,YINGXIANGBIANPINQIZHANGQIYUNXING。BIANPINQIZHOUWEICUNFENCHENHEYOUWUSHI,ZHEIXIEQITIBIANPINQINEIFUZHE、DUIJIJIANGDAOZHIJIEYUANJIANGDI;QIANGPOFENGLENGBIANPINQI,GUOLVQIDUSAIJIANGYINQIBIANPINQINEIWENDUYICHANGSHANGSHENG,ZHISHIBIANPINQIBUNENGWENDINGYUNXING。

3: There should be no corrosive, explosive or combustible gas, dust and oil mist around the frequency converter. If there are explosive and burning gases around the installation of frequency converter, there are spark relays and contactors in the frequency converter, which will cause fire or explosion accidents. When there is corrosive gas, the metal part will corrode, which will affect the long-term operation of the frequency converter. When dust and oil mist are stored around the converter, the attachment and accumulation of these gases in the converter will lead to the decrease of the junction; when forced air-cooled converter is blocked, the temperature in the converter will rise abnormally, resulting in the unstable operation of the converter.

江西快34: BIANPINQINAIZHENXINGYINGJIZHONGERBUTONG,ZHENDONGCHAOGUOBIANPINQIRONGXUZHISHI,JIANGCHANSHENGBUJIANJINGUBUFENSONGDONGYIJIJIDIANQIHEJIECHUQIDENGKEDONGBUFENQIJIANWUDONGZUO,WANGWANGDAOZHIBIANPINQIBUNENGWENDINGYUNXING。JICHUANG、CHUANBODENGSHIXIANNENGYUJIANZHENDONGCHANGHE,YINGKAOLVBIANPINQIZHENDONGWENTI。

江西快34: The vibration resistance of frequency converter varies according to the type of machine. When the vibration exceeds the allowable value of frequency converter, it will result in the loosening of the fastening part of components and the misoperation of movable parts such as relays and contactors, which often leads to the unstable operation of frequency converter. The problem of frequency converter vibration should be considered when machine tools, ships and other vibration situations can be predicted beforehand.

江西快35: BIANPINQIBIAOGAODUOGUIDING1000mYIXIA。BIAOGAOGAOZEQIYAXIAJIANG,RONGYICHANSHENGJIEYUANPOHUAI。LINGWAIBIAOGAOGAOLENGQUEXIAOGUOYEXIAJIANG,BIXUZHUYIWENSHENG。

5: The elevation of frequency converter is usually less than 1000m. The elevation will lead to the failure of the bond under the atmospheric pressure. In addition, the cooling effect of elevation decreases, so we must pay attention to temperature rise.

BIANPINQIJIEXIAN:

Converter wiring:

江西快3GEZHONGGONGCHANGHESHEBEICAIYONGBIANPINDIAOSUSHI,BIANPINQIDIANYUANCEHEDIANJICEDOUHUICHANSHENG XIEBOGANRAO,DUIGONGDIANDIANWANGHEBIANPINQIZHOUWEIQITADIANQISHEBEIYAOCHANSHENGEMCGANRAO。LINGWAIQUEBAOBIANPINQIZHANGQIKEKAOYUNXING,BIANPINQIJIEXIANSHIFEICHANGZHONGYAO。

江西快3When various factories and equipments adopt frequency conversion speed regulation, harmonic interference will occur on the power side and motor side of the converter, and EMC interference will occur on the power supply grid and other electrical equipment around the converter. In addition, to ensure the long-term reliable operation of the converter, the connection of the converter is very important.

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