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防爆变频柜重要参数的设定
点击次数:79 发布时间:2019-11-19

防爆变频柜重要参数的设定
天天斗地主1 概述 目前,变频交流调速已遍布冶金、电力、铁路、运输、化工、民用等各个领域。在使用的采煤机中,也应用了变频器。变频器是利用交流电动机的同步转速随电机电压频率变化而变化的特性而实现电动机调速运行的装置,其中,有几个参数的设定非常重要,将直接影响变频器的合理使用。 

2 几个重要参数的设定 
2.1 V/f类型的选择 V/f类型的选择包括zui高频率、基本频率和转矩类型等。zui高频率是变频器-电动机系统可以运行的zui高频率。由于变频器自身的zui高频率可能较高,当电动机容许的zui高频率低于变频器的zui高频率时,应按电动机及其负载的要求进行设定。基本频率是变频器对电动机进行恒功率控制和恒转矩控制的分界线,应按电动机的额定电定电压设定。转矩类型指的是负载是恒转矩负载还是变转矩负载。用户根据变频器使用说明书中的V/f类型图和负载的特点,选择其中的一种类型。我们根据电机的实际情况和实际要求,zui高频率设定为83.4Hz,基本频率设定为工频50Hz。负载类型:50Hz以下为恒转矩负载,50~83.4Hz为恒功率负载。 

2.2 RUHEDIAOZHENGQIDONGZHUANJU DIAOZHENGQIDONGZHUANJUSHIWEILEGAISHANBIANPINQIQIDONGSHIDEDISUXINGNENG,SHIDIANJISHUCHUDEZHUANJUNENGMANZUSHENGCHANQIDONGDEYAOQIU。 ZAIYIBUDIANJIBIANPINDIAOSUXITONGZHONG,ZHUANJUDEKONGZHIJIAOFUZA.ZAIDIPINDUAN,YOUYUDIANZU、LOUDIANKANGDEYINGXIANGBURONGHULVE,RUORENGBAOCHIV/fWEICHANGSHU,ZECITONGJIANGJIANXIAO,JINERJIANXIAOLEDIANJIDESHUCHUZHUANJU。WEICI,ZAIDIPINDUANYAODUIDIANYAJINXINGSHIDANGBUCHANGYITISHENGZHUANJU。KESHI,LOUZUKANGDEYINGXIANGBUJINYUPINLVYOUGUAN,HAIHEDIANJIDIANLIUDEDAXIAOYOUGUAN,ZHUNQUEBUCHANGSHIHENKUNNANDE。JINNIANLAIGUOWAIKAIFALEYIXIENENGZIXINGBUCHANGDEBIANPINQI,DANSUOXUJISUANLIANGDA,YINGJIAN、RUANJIANDOUJIAOFUZA,YINCIYIBANBIANPINQIJUNYOUYONGHUJINXINGRENGONGSHEDINGBUCHANG。ZHENDUIWOMENSUOSHIYONGDEBIANPINQI,ZHUANJUTISHENGLIANGSHEDINGWEI1%~5%ZHIJIANBIJIAOHESHI。 

天天斗地主2.3 RUHESHEDINGJIA、JIANSUSHIJIAN DIANJIDEYUNXINGFANGCHENGSHI: SHIZHONG:TtWEIDIANCIZHUANJU;T1WEIFUZAIZHUANJU DIANJIJIASUDUdw/dtQUJUEYUJIASUZHUANJU(Tt,T1),ERBIANPINQIZAIQI、ZHIDONGGUOCHENGZHONGDEPINLVBIANHUALVZEYOUYONGHUSHEDING。RUODIANJIZHUANDONGGUANLIANGJ、DIANJIFUZAIBIANHUAANYUXIANSHEDINGDEPINLVBIANHUALVSHENGSUHUOJIANSUSHI,YOUKENENGCHUXIANJIASUZHUANJUBUGOU,CONGERZAOCHENGDIANJISHISU,JIDIANJIZHUANSUYUBIANPINQISHUCHUPINLVBUXIEDIAO,CONGERZAOCHENGGUODIANLIUHUOGUODIANYA。YINCI,XUYAOGENJUDIANJIZHUANDONGGUANLIANGHEFUZAIHELISHEDINGJIA、JIANSUSHIJIAN,SHIBIANPINQIDEPINLVBIANHUALVNENGYUDIANJIZHUANSUBIANHUALVXIANGXIEDIAO。JIANCHACIXIANGSHEDINGSHIFOUHELIDEFANGFASHIANJINGYANXUANDINGJIA、JIANSUSHIJIANSHEDING。RUOZAIQIDONGGUOCHENGZHONGCHUXIANGUOLIU,ZEKESHIDANGYANZHANGJIASUSHIJIAN;RUOZAIZHIDONGGUOCHENGZHONGCHUXIANGUOLIU,ZESHIDANGYANZHANGJIANSUSHIJIAN;LINGYIFANGMIAN,JIA、JIANSUSHIJIANBUYISHEDINGTAIZHANG,SHIJIANTAIZHANGJIANGYINGXIANGSHENGCHANXIAOLV,TEBIESHIPINFANQI、ZHIDONGSHI。WOMENJIANGJIASUSHIJIANSHEDINGWEI15s,JIANSUSHIJIANSHEDINGWEI5s。 

天天斗地主2.4 PINLVKUATIAO V/fKONGZHIDEBIANPINQIQUDONGYIBUDIANJISHI,ZAIMOUXIEPINLVDUAN。DIANJIDEDIANLIU、ZHUANSUHUIFASHENGZHENDANG,YANZHONGSHIXITONGWUFAYUNXING,SHENZHIZAIJIASUGUOCHENGZHONGCHUXIANGUODIANLIUBAOHUSHIDEDIANJIBUNENGZHENGCHANGQIDONG,ZAIDIANJIQINGZAIHUOZHUANDONGLIANGJIAOXIAOSHIGENGWEIYANZHONG。YINCIBIANTONGBIANPINQIJUNBEIYOUPINLVKUATIAOGONGNENG,YONGHUKEYIGENJUXITONGCHUXIANZHENDANGDEPINLVDIAN,ZAIV/fQUXIANSHANGSHEZHIKUATIAODIANJIKUATIAODIANKUANDU。DANGDIANJIJIASUSHIKEYIZIDONGTIAOGUOZHEIXIEPINLVDUAN,BAOZHENGXITONGZHENGCHANGYUNXING。 

2.5 GUOFUZAILVSHEZHI GAISHEZHIYONGYUBIANPINQIHEDIANDONGJIGUOFUZAIBAOHU。DANGBIANPINQIDESHUCHUDIANLIUDAYUGUOFUZAILVSHEZHIZHIHEDIANDONGJIEDINGDIANLIUQUEDINGDEOLSHEDINGZHISHI,BIANPINQIZEYIFANSHIXIANTEXINGJINXINGGUOFUZAIBAOHU(OL),GUOFUZAIBAOHUDONGZUOSHIBIANPINQITINGZHISHUCHU。 

天天斗地主2.6 DIANJICANSHUDESHURU BIANPINQIDECANSHUSHURUXIANGMUZHONGYOUYIXIESHIDIANJIJIBENCANSHUDESHURU,RUDIANJIDEGONGLV、EDINGDIANYA、EDINGDIANLIU、EDINGZHUANSU、JISHUDENG。ZHEIXIECANSHUDESHURUFEICHANGZHONGYAO,JIANGZHIJIEYINGXIANGBIANPINQIZHONGYIXIEBAOHUGONGNENGDEZHENGCHANGFAHUI,YIDINGYAOGENJUDIANJIDESHIJICANSHUZHENGQUESHURU,YIQUEBAOBIANPINQIDEZHENGCHANGSHIYONG。 

天天斗地主3 JIEYU ZONGSHANGSUOSHU,SUIRANZHIZAOSHANGZAIKAIFA、ZHIZAOBIANPINQISHICHONGFENKAOLVLEYONGHUDEXUYAO,SHEJILEDUOZHONGKEGONGYONGHUXUANZEDESHEDING、BAOHUHEXIANSHIGONGNENG。DANRUHECHONGFENFAHUIZHEIXIEGONGNENG,HELISHIYONGBIANPINQI,RENGSHIYONGHUXUYAOZHUYIDEWENTI,YIXIEXIANGMUDESHEDINGZHIRENGXUMOSUO,YIBIANYONGHAOBIANPINQI,CHONGFENFAHUIQIZAISHENGCHANZHONGDEZUOYONG。


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