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关于变频器的性能要素分析
FABURIQI:2019-1-7 16:19:59
DAODU:BIANPINDIAOSUJISHUSHIXIANDAIDIANLICHUANDONGJISHUDEZHONGYAOFAZHANFANGXIANG,ERZUOWEIBIANPINDIAOSUXITONGDEHEXIN-BIANPINQIDEXINGNENGYEYUELAIYUECHENGWEIDIAOSUXINGNENGYOULIEDEJUEDINGYINSU,CHULEBIANPINQIBENSHENZHIZAOGONGYIDE“XIANTIAN”TIAOJIANWAI,DUIBIANPINQICAIYONGSHENMEYANGDEKONGZHIFANGSHIYESHIFEICHANGZHONGYAODE。JIYUBIANPINQIDEXINGNENGYAOSUFENXI,BENWENXIANJIESHAOLEBIANPINQIDEGAINIAN、FENLEI,RANHOUFENXILEBIANPINQIKONGZHIFANGSHIDETEDIAN,ZUIHOUZONGJIECHULEBIANPINQIDECHANGYONGKONGZHIFANGSHI。
YI、BIANPINQIDEGAINIAN
BIANPINQISHIBAGONGPINDIANYUAN(50HzHUO60Hz)BIANHUANCHENGGEZHONGPINLVDEJIAOLIUDIANYUAN,YISHIXIANDIANJIDEBIANSUYUNXINGDESHEBEI,QIZHONGKONGZHIDIANLUWANCHENGDUIZHUDIANLUDEKONGZHI,ZHENGLIUDIANLUJIANGJIAOLIUDIANBIANHUANCHENGZHILIUDIAN,ZHILIUZHONGJIANDIANLUDUIZHENGLIUDIANLUDESHUCHUJINXINGPINGHUALVBO,NIBIANDIANLUJIANGZHILIUDIANZAINIBIANCHENGJIAOLIUDIAN。DUIYURUSHILIANGKONGZHIBIANPINQIZHEIZHONGXUYAODALIANGYUNSUANDEBIANPINQILAISHUO,YOUSHIHAIXUYAOYIGEJINXINGZHUANJUJISUANDECPUYIJIYIXIEXIANGYINGDEDIANLU。
ER、BIANPINQIDEFENLEI
1.ANZHILIUDIANYUANXINGZHIFENLEI:
a.DIANLIUXINGBIANPINQI .DIANLIUXINGBIANPINQITEDIANSHIZHONGJIANZHILIUHUANJIECAIYONGDADIANGANZUOWEICHUNENGHUANJIE,HUANCHONGWUGONGGONGLV,JIEZHIDIANLIUDEBIANHUA,SHIDIANYAJIEJINZHENGXIANBO,YOUYUGAIZHILIUNEIZUJIAODA,GUCHENGDIANLIUYUANXINGBIANPINQI(DIANLIUXING)。DIANLIUXINGBIANPINQIDETEDIAN(YOUDIAN)SHINENGEZHIFUZAIDIANLIUPINFANERJIJUDEBIANHUA。CHANGXUANYONGYUFUZAIDIANLIUBIANHUAJIAODADECHANGHE;
b.DIANYAXINGBIANPINQI .DIANYAXINGBIANPINQITEDIANSHIZHONGJIANZHILIUHUANJIEDECHUNENGYUANJIANCAIYONGDADIANRONG,FUZAIDEWUGONGGONGLVJIANGYOUTALAIHUANCHONG,ZHILIUDIANYABIJIAOPINGWEN,ZHILIUDIANYUANNEIZUJIAOXIAO,XIANGDANGYUDIANYAYUAN,GUCHENGDIANYAXINGBIANPINQI,CHANGXUANYONGYUFUZAIDIANYABIANHUAJIAODADECHANGHE。
2. ANZHAOZHUDIANLUGONGZUOFANGSHIFENLEI:
a. DIANYAXINGBIANPINQI。ZAIDIANYAXINGBIANPINQIZHONG,ZHENGLIUDIANLUHUOZHEZHANBODIANLUCHANSHENGNIBIANDIANLUSUOXUYAODEZHILIUDIANYA,BINGTONGGUOZHILIUZHONGJIANDIANLUDEDIANRONGJINXINGPINGHUAHOUSHUCHU;ZHENGLIUDIANLUHEZHILIUZHONGJIANDIANLUQIZHILIUDIANYAYUANDEZUOYONG。ERDIANYAYUANSHUCHUDEZHILIUDIANYAZAINIBIANDIANLUZHONGBEIZHUANHUANWEIJUYOUSUOXUPINLVDEJIAOLIUDIANYA;
b. DIANLIUXINGBIANPINQI。ZAIDIANLIUXINGBIANPINQIZHONG,ZHENGLIUDIANLUJICHUZHILIUDIANLIU,BINGTONGGUOZHONGJIANDIANLUDEDIANKANGJIANGDIANLIUJINXINGPINGHUAHOUSHUCHU。ZHENGLIUDIANLUHEZHILIUZHONGJIANDIANLUQIDIANLIUYUANDEZUOYONG,ERDIANLIUYUANSHUCHUDEZHILIUDIANLIUZAINIBIANDIANLUZHONGBEIZHUANHUANWEIJUYOUSUOXUPINLVDEJIAOLIUDIANLIU,BINGBEIFENPEIJIGESHUCHUXIANGHOUZUOWEIJIAOLIUDIANLIUTIGONGJIDIANDONGJI。
3. ANZHAOKAIGUANLISHIFENLEI:
a. PAMKONGZHI。PAMKONGZHISHIPulse Amplitude Modulation(MAICHONGZHENFUDIAOZHI)KONGZHIDEJIANCHENG,SHIYIZHONGZAIZHENGLIUDIANLUBUFENDUISHUCHUDIANYA(DIANLIU)DEFUZHIJINXINGKONGZHI,ERZAINIBIANDIANLUBUFENDUISHUCHUPINLVJINXINGKONGZHIDEKONGZHIFANGSHI;
b. PWMKONGZHI。PWMKONGZHISHIPulse Amplitude Modulation(MAICHONGKUANDUDIAOZHI)KONGZHIDEJIANCHENG,SHIZAINIBIANDIANLUBUFENTONGSHIDUISHUCHUDIANYA(DIANLIU)DEFUZHIHEPINLVJINXINGKONGZHIDEKONGZHIFANGSHI;
c.GAOZAIPINPWMKONGZHI。ZHEIZHONGKONGZHIFANGSHIYUANLISHANGSHIJISHIDUIPWMKONGZHIFANGSHIDEGAIJIN,SHIWEILEJIANGDIDIANDONGJIYUNZHUANZAOSHENGERCAIYONGDEYIZHONGKONGZHIFANGSHI。ZAIZHEIZHONGKONGZHIFANGSHIZHONG,ZAIPINBEITIGAODAORENERKEYITINGDAODEPINLV(10-20kHz)YISHANG,CONGERDADAOJIANGDIDIANDONGJIZAOSHENGDEMUDE。
4.ANBIANHUANDEHUANJIEFENLEI:
a.可分为交-交变频器。将工频交流直接变换成频率电压可调的交流,又称直接式变频器;
b.交-直-交变频器。是先把工频交流通过整流器变成直流,然后再把直流变换成频率电压可调的交流,又称间接式变频器,是目前广泛应用的通用型变频器。
SAN、BIANPINQIKONGZHIFANGSHIDETEDIAN
1.JIENENG。 ZHIYAOJIANGDIPINLV,DIANJIYONGBUWANDENENGLIANGJIUJIESHENGXIALAI。
2.WUJIDIAOSU。 GENJUXUYAORENYIDIAOJIDIANJIZHUANSU, SHIYIQIEBIANSUDEXUYAOBIANDEQINGERYIJU,SUIXINSUOYU。
3.QIDONGPINGWEN。 SUDUPINGWENSHANGSHENG,TINGZHIPINGWEN,SUDUPINGHUAXIAJIANG,MEIYOUCHONGJI。
4.JIEGOUJIANDAN。YONGYOULIJUXIANGYINGHAO、DIAOSUJINGDUGAO,SUDUKONGZHIFANWEIJIAOGUANG,KEYONGYUTONGYONGSHULONGXINGYIBUDIANJI。
5.TAJUBEIDUOZHONGXINHAOSHURUSHUCHUDUANKOU,JIESHOUHESHUCHUMONIXINHAO,DIANLIU、DIANYAXINHAO。BIANPINQIYUGONGKONGJI、BIANCHENGQIPEIHE,JIUNENGXINGCHENGZIDONGHUAKONGZHIXITONG。
SI、BIANPINQIDECHANGYONGKONGZHIFANGSHI
A.FEIZHINENGKONGZHIFANGSHI
(1) V/fKONGZHI
V/fKONGZHISHIWEILEDEDAOLIXIANGDEZHUANJU-SUDUTEXING,JIYUZAIGAIBIANDIANYUANPINLVJINXINGDIAOSUDETONGSHI,YOUYAOBAOZHENGDIANDONGJIDECITONGBUBIANDESIXIANGERTICHUDE,TONGYONGXINGBIANPINQIJIBENSHANGDOUCAIYONGZHEIZHONGKONGZHIFANGSHI。V/fKONGZHIBIANPINQIJIEGOUFEICHANGJIANDAN,DANSHIZHEIZHONGBIANPINQICAIYONGKAIHUANKONGZHIFANGSHI,BUNENGDADAOJIAOGAODEKONGZHIXINGNENG,ERQIE,ZAIDIPINSHI,BIXUJINXINGZHUANJUBUCHANG,YIGAIBIANDIPINZHUANJUTEXING。
(2) ZHUANCHAPINLVKONGZHI
ZHUANCHAPINLVKONGZHISHIYIZHONGZHIJIEKONGZHIZHUANJUDEKONGZHIFANGSHI,TASHIZAI V/fKONGZHIDEJICHUSHANG,ANZHAOZHIDAOYIBUDIANDONGJIDESHIJIZHUANSUDUIYINGDEDIANYUANPINLV,BINGGENJUXIWANGDEDAODEZHUANJULAIDIAOJIEBIANPINQIDESHUCHUPINLV,JIUKEYISHIDIANDONGJIJUYOUDUIYINGDESHUCHUZHUANJU。ZHEIZHONGKONGZHIFANGSHI,ZAIKONGZHIXITONGZHONGXUYAOANZHUANGSUDUCHUANGANQI,YOUSHIHAIJIAYOUDIANLIUFANKUI,DUIPINLVHEDIANLIUJINXINGKONGZHI,YINCI,ZHEISHIYIZHONGBIHUANKONGZHIFANGSHI,KEYISHIBIANPINQIJUYOULIANGHAODEWENDINGXING,BINGDUIJISUDEJIAJIANSUHEFUZAIBIANDONGYOULIANGHAODEXIANGYINGTEXING。
(3) ZHIJIEZHUANJUKONGZHI
ZHIJIEZHUANJUKONGZHISHILIYONGKONGJIANSHILIANGZUOBIAODEGAINIAN,ZAIDINGZIZUOBIAOXIXIAFENXIJIAOLIUDIANDONGJIDESHUXUEMOXING,KONGZHIDIANDONGJIDECILIANHEZHUANJU,TONGGUOJIANCEDINGZIDIANZULAIDADAOGUANCEDINGZICILIANDEMUDE,YINCISHENGQULESHILIANGKONGZHIDENGFUZADEBIANHUANJISUAN,XITONGZHIGUAN、JIANJIE,JISUANSUDUHEJINGDUDOUBISHILIANGKONGZHIFANGSHIYOUSUOTIGAO。JISHIZAIKAIHUANDEZHUANGTAIXIA,YENENGSHUCHU 100%DEEDINGZHUANJU,DUIYUDUOTUODONGJUYOUFUHEPINGHENGGONGNENG。
(4) ZUIYOUKONGZHI
ZUIYOUKONGZHIZAISHIJIZHONGDEYINGYONGGENJUYAOQIUDEBUTONGERYOUSUOBUTONG,KEYIGENJUZUIYOUKONGZHIDELILUNDUIMOUYIGEKONGZHIYAOQIUJINXINGGEBIECANSHUDEZUIYOUHUA。LIRUZAIGAOYABIANPINQIDEKONGZHIYINGYONGZHONG,JIUCHENGGONGDECAIYONGLESHIJIANFENDUANKONGZHIHEXIANGWEIPINGYIKONGZHILIANGZHONGCELVE,YISHIXIANYIDINGTIAOJIANXIADEDIANYAZUIYOUBOXING。
B.ZHINENGKONGZHIFANGSHI
(1) SHENJINGWANGLUOKONGZHI
SHENJINGWANGLUOKONGZHIFANGSHIYINGYONGZAIBIANPINQIDEKONGZHIZHONG,YIBANSHIJINXINGBIJIAOFUZADEXITONGKONGZHI,ZHEISHIDUIYUXITONGDEMOXINGLEJIESHENSHAO,YINCISHENJINGWANGLUOJIYAOWANCHENGXITONGBIANSHIDEGONGNENG,YOUYAOJINXINGKONGZHI。ERQIESHENJINGWANGLUOKONGZHIFANGSHIKEYITONGSHIKONGZHIDUOGEBIANPINQI,YINCIZAIDUOGEBIANPINQIJILIANSHIJINXINGKONGZHIBIJIAOSHIHE。DANSHISHENJINGWANGLUODECENGSHUTAIDUOHUOZHESUANFAGUOYUFUZADOUHUIZAIJUTIYINGYONGZHONGDAILAIBUSHAOSHIJIKUNNAN。
(2) MOHUKONGZHI
MOHUKONGZHISUANFAYONGYUKONGZHIBIANPINQIDEDIANYAHEPINLV,SHIDIANDONGJIDESHENGSUSHIJIANDEDAOKONGZHI,YIBIMIANSHENGSUGUOKUAIDUIDIANJISHIYONGSHOUMINGDEYINGXIANGYIJISHENGSUGUOMANYINGXIANGGONGZUOXIAOLV。MOHUKONGZHIDEGUANJIANZAIYULUNYU、LISHUDUYIJIMOHUJIBIEDEHUAFEN,ZHEIZHONGKONGZHIFANGSHIYOUQISHIYONGYUDUOSHURUDANSHUCHUDEKONGZHIXITONG。
(3) ZHUANJIAXITONG
ZHUANJIAXITONGSHILIYONGSUOWEI “ZHUANJIA”DEJINGYANJINXINGKONGZHIDEYIZHONGKONGZHIFANGSHI,YINCI,ZHUANJIAXITONGZHONGYIBANYAOJIANLIYIGEZHUANJIAKU,CUNFANGYIDINGDEZHUANJIAXINXI,LINGWAIHAIYAOYOUTUILIJIZHI,YIBIANYUGENJUYIZHIXINXIXUNQIULIXIANGDEKONGZHIJIEGUO。ZHUANJIAKUYUTUILIJIZHIDESHEJISHIYOUWEIZHONGYAODE,GUANXIZHEZHUANJIAXITONGKONGZHIDEYOULIE。YINGYONGZHUANJIAXITONGJIKEYIKONGZHIBIANPINQIDEDIANYA,YOUKEYIKONGZHIQIDIANLIU。
(4) XUEXIKONGZHI
XUEXIKONGZHIZHUYAOSHIYONGYUZHONGFUXINGDESHURU,ERGUIZEDE PWMXINHAO(LIRUZHONGXINDIAOZHIPWM)QIAHAOMANZUZHEIGETIAOJIAN,YINCIXUEXIKONGZHIYEKEYONGYUBIANPINQIDEKONGZHIZHONG[24].XUEXIKONGZHIBUXUYAOLEJIETAIDUODEXITONGXINXI,DANSHIXUYAO1~2GEXUEXIZHOUQI,YINCIKUAISUXINGXIANGDUIJIAOCHA,ERQIE,XUEXIKONGZHIDESUANFAZHONGYOUSHIXUYAOSHIXIANCHAOQIANHUANJIE,ZHEIYONGMONIQIJIANSHIWUFASHIXIANDE,TONGSHI,XUEXIKONGZHIHAISHEJIDAOYIGEWENDINGXINGDEWENTI,ZAIYINGYONGSHIYAOTEBIEZHUYI。
XIANGGUANXINXI