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高壓變頻器基本知識

2020-08-14

1、電壓源型與電流源型高壓變頻器的區別。


變頻器的主電路大體上可分為兩類:電壓源型和電流源型。電壓源型是將電壓源的直流變換為交流的變頻器,直流回路的濾波元件是電容;電流源型是將電流源的直流變換為交流的變頻器,其直流回路濾波元件是電感。


2、WEISHENMEBIANPINQIDESHUCHUDIANYAYUPINLVCHENGBILIDEGAIBIAN?


伟德体育YIBUDIANDONGJIDEZHUANJUSHIDIANJIDECITONGYUZHUANZINEILIUGUODEDIANLIUZHIJIANXIANGHUZUOYONGERCHANSHENGDE,ZAIEDINGPINLVXIA,RUGUODIANYAYIDINGERZHIJIANGDIPINLV,NEIMECITONGJIUGUODA,CIHUILUBAOHE,DIANJIDIANLIUZENGDA,YANZHONGSHIJIANGSHAOHUIDIANJI。YINCI,PINLVYUDIANYAYAOCHENGBILIDIGAIBIAN,JIGAIBIANPINLVDETONGSHIKONGZHIBIANPINQIDESHUCHUDIANYA,SHIDIANDONGJIDECITONGBAOCHIYIDING,BIMIANCIBAOHEXIANXIANGDECHANSHENG。ZHEJIUSHIVVVFDEDINGYI。ZHELIDEDIANYAZHIDESHIDIANJIDEXIANDIANYAHUOZHEXIANGDIANYADEYOUXIAOZHI。


伟德体育3、DIANDONGJISHIYONGGONGPINDIANYUANQUDONGSHI,DIANYAXIAJIANGZEDIANLIUZENGJIA;DUIYUBIANPINQIQUDONG,RUGUOPINLVXIAJIANGSHIDIANYAYEXIAJIANG,NEIMEDIANLIUSHIFOUZENGJIA?


PINLVXIAJIANG(DISU)SHI,RUGUOSHUCHUXIANGTONGDEGONGLV,ZEDIANLIUZENGJIA,DANZAIZHUANJUYIDINGDETIAOJIANXIA,DIANLIUJIHUBUBIAN。


4、CAIYONGBIANPINQIYUNZHUANSHI,DIANJIDEQIDONGDIANLIU、QIDONGZHUANJUZENYANG?


伟德体育CAIYONGBIANPINQIYUNZHUAN,SUIZHUDIANJIDEJIASUXIANGYINGTIGAOPINLVHEDIANYA,QIDONGDIANLIUBEIXIANZHIZAI150%EDINGDIANLIUYIXIA(GENJUJIZHONGBUTONG,WEI125%~200%)。YONGGONGPINDIANYUANZHIJIEQIDONGSHI,QIDONGDIANLIUWEI6~7BEI,YINCI,JIANGCHANSHENGJIXIEDIANQISHANGDECHONGJI。CAIYONGBIANPINQICHUANDONGKEYIPINGHUADIQIDONG(QIDONGSHIJIANBIANCHANG)。QIDONGDIANLIUWEIEDINGDIANLIUDE1.2~1.5BEI,QIDONGZHUANJUWEI70%~120%EDINGZHUANJU;DUIYUDAIYOUZHUANJUZIDONGZENGQIANGGONGNENGDEBIANPINQI,QIDONGZHUANJUWEI100%YISHANG,KEYIDAIQUANFUZAIQIDONG。


伟德体育5、V/fMOSHISHISHENMEYISI?


PINLVXIAJIANGSHIDIANYAVYECHENGBILIXIAJIANG,ZHEGEWENTIYIZAIHUIDA4SHUOMING。BAOCHIV/fBIHENGDINGKONGZHISHIYIBUDIANJIBIANPINDIAOSUDEZUIJIBENDEKONGZHIFANGSHI,TAZAIKONGZHIDIANJIDEDIANYUANPINLVBIANHUADETONGSHIKONGZHIBIANPINQISHUCHUDEDIANYA,BINGSHIERZHEZHIBIV/fWEIHENGDING,CONGERSHIDIANJIDECITONGBAOCHIHENGDING。ZAIDIANJIEDINGYUNXINGQINGKUANGXIA,DIANJIDEDINGZIDIANZUHELOUKANGDEDIANYAJIANGBIJIAOXIAO,DIANJIDEDUANDIANYAHEDIANJIDEGANYINGDIANSHIJINSIXIANGDENG。


伟德体育V/fBIHENGDINGKONGZHICUNZAIDEZHUYAOWENTISHIDISUXINGNENGJIAOCHA。QIYUANYINYISHIDISUSHIYIBUDIANJIDINGZIDIANZUDIANYAJIANGSUOZHANBILIBIANDA,YIBUNENGHULVE,BUNENGZAIRENWEIDINGZIDIANYAHEDIANJIGANYINGDIANSHIJINSIXIANGDENG,RENGANV/fBIYIDINGKONGZHIYIBUNENGBAOCHIDIANJICITONGHENGDING。DIANJICITONGDEJIANXIAOBIRANZAOCHENGDIANJIDEDIANCIZHUANJUJIANXIAO;LINGWAIBIANPINQIGONGLVQIJIANDESIQUSHIJIANYESHIYINGXIANGDIANJIDISUXINGNENGDEZHONGYAOYUANYIN,SIQUSHIJIANZAOCHENGDIANYAXIAJIANGTONGSHIHUANHUIYINQIZHUANJUMODONG,ZAIYIDINGTIAOJIANXIAHUANHUIYINQIZHUANSU、DIANLIUDEZHENDANG。


V/f比恒定控制常用于通用變頻器伟德体育上。這類變頻器主要用于風機、水泵的調速功能,以及對調速范圍要求不高的場合。V/f比恒定控制的突出優點是可以進行電機的開環速度控制。


6、ANBILIDIGAIVHEfSHI,DIANJIDEZHUANJURUHEBIANHUA?


伟德体育PINLVXIAJIANGSHIWANQUANCHENGBILIDIJIANGDIDIANYA,NEIMEYOUYUJIAOLIUZUKANGBIANXIAOERDIANZUBUBIAN,JIANGZAOCHENGZAIDISUXIACHANSHENGDEZHUANJUYOUJIANXIAODEQINGXIANG。


YINCI,ZAIDIPINSHIGEIDINGV/f,YAOSHISHUCHUDIANYATIGAOYIXIE,YIBIANHUODEYIDINGDEQIDONGZHUANJU,ZHEZHONGBUCHANGCHENGZENGQIANGQIDONG。KEYICAIYONGGEZHONGFANGFASHIXIAN,YOUZIDONGJINXINGDEFANGFA、XUANZEV/fMOSHIHUODIAOZHENGDIANWEIQIDENGFANGFA。


7、SUOWEIKAIHUANSHISHENMEYISI?


伟德体育GEISUOSHIYONGDEDIANJIZHUANGSHESUDUCHUANGANQI,JIANGSHIJIZHUANSUFANKUIGEIKONGZHIZHUANGZHIJINXINGKONGZHIDE,CHENGWEI“BIHUAN”,BUYONGSUDUCHUANGANQIYUNZHUANDEJIUJIAOZUO“KAIHUAN”,TONGYONGBIANPINQIDUOWEIKAIHUANFANGSHI。


8、GAOYABIANPINQIZISHENDEBAOHUGONGNENG


SHUCHUGUOZAI、SHUCHUGUOLIU、DIANWANGGUODIANYA、DIANWANGQIANDIANYA、DIANWANGSHIDIAN、ZHILIUMUXIANGUODIANYA、ZHILIUMUXIANQIANDIANYA、BIANYAQIGUORE、QUEXIANG、KONGZHIDIANYUANDIAODIAN、QUDONGGUZHANG、GONGLVQIJIANGUORE、SANREFENGJIGUZHANG、WAIBUGEIDINGDIAOXIAN、JIEDIGUZHANG、GUANGXIANGUZHANGDENGDENG。


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