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变频器控制电路分析

作者:本站 来源:网络 点击:2630 次 发布时间:2017-03-31

变频器控制电路 

大神棋牌 JIYIBUDIANDONGJIGONGDIAN(DIANYA、PINLVKEDIAO)DEZHUDIANLUTIGONGKONGZHIXINHAODEWANGLUO,CHENGWEIKONGZHIHUILU,KONGZHIDIANLUYOUPINLV,DIANYADEYUNSUANDIANLU,ZHUDIANLUDEDIANYA,DIANLIUJIANCEDIANLU,DIANDONGJIDESUDUJIANCEDIANLU,JIANGYUNSUANDIANLUDEKONGZHIXINHAOJINXINGFANGDADEQUDONGDIANLU,YIJINIBIANQIHEDIANDONGJIDEBAOHUDIANLUDENGZUCHENG。WUSUDUJIANCEDIANLUWEIKAIHUANKONG;ZAIKONGZHIDIANLUZENGJIALESUDUJIANCEDIANLU,JIZENGJIASUDUZHILING,KEYIDUIYIBUDIANDONGJIDESUDUJINXINGGENGJINGQUEDEBIHUANKONGZHI。 



(1)YUNSUANDIANLUJIANGWAIBUDESUDU,ZHUANJUDENGZHILINGTONGJIANCEDIANLUDEDIANLIU,DIANYAXINHAOJINXINGBIJIAOYUNSUAN,JUEDINGNIBIANQIDESHUCHUDIANYA、PINLV。 


大神棋牌 (2)DIANYA、DIANLIUJIANCEDIANLUWEIYUZHUHUILUDIANWEIGELIJIANCEDIANYA,DIANLIUDENG。 


大神棋牌 (3)QUDONGDIANLUWEIQUDONGZHUDIANLUQIJIANDEDIANLU,TAYUKONGZHIDIANLUGELI,KONGZHIZHUDIANLUQIJIANDEDAOTONGYUGUANDUAN。 


大神棋牌 (4)I/ODIANLUSHIBIANPINGENGHAODIRENJIJIAOHU,QIJUYOUDUOXINHAO(BIRUYUNXINGDUODUANSUDUYUNXINGDENG)DESHURU,HAIYOUGEZHONGNEIBUCANSHU(BIRUDIANLIU,PINLV,BAOHUDONGZUOQUDONGDENG)DESHURU。 


大神棋牌 (5)SUDUJIANCEDIANLUJIANGZHUANGZAIYIBUDIANDONGJIZHOUSHANGDESUDUJIANCEQI(TG、PLGDENG)DEXINHAOSHEWEISUDUXINHAO,SONGRUYUNSUANHUILU,GENJUZHILINGHEYUNSUANKESHIDIANDONGJIANZHILINGSUDUYUNZHUAN。 


(6)BAOHUDIANLUJIANCEZHUDIANLUDEDIANYA、DIANLIUDENG。DANGFASHENGGUOZAIHUOGUODIANYADENGYICHANGSHI,WEILEFANGZHINIBIANQIHEYIBUDIANDONGJISUNHUAI,SHINIBIANQITINGZHIGONGZUOHUOYIZHIDIANYA,DIANLIUZHI。 


逆变器控制电路中的保护电路,可分为逆变器保护和异步电动机保护两种,保护功能如下: 


(1)NIBIANQIBAOHU 

①SHUNSHIGUODIANLIUBAOHU,YONGYUNIBIANDIANLIUFUZAICEDUANLUDENG,LIUGUONIBIANDIANQIHUIJIANDEDIANLIUDADAOYICHANGZHI(CHAOGUORONGXUZHI)SHI,SHUNSHITINGZHINIBIANQIYUNZHUAN,QIEDUANDIANLIU,BIANLIUQIDESHUCHUDIANLIUDADAOYICHANGZHI,YEDETONGYANGTINGZHINIBIANQIYUNZHUAN。 


②GUOZAIBAOHU,NIBIANQISHUCHUDIANLIUCHAOGUOEDINGZHI,QIECHIXULIUTONGCHAOGUOGUIDINGSHIJIAN,WEIFANGZHINIBIANQIQIJIAN、DIANXIANDENGSUNHUAI,YAOTINGZHIYUNZHUAN,QIADANGDEBAOHUXUYAOFANSHIXIANTEXING,CAIYONGREJIDIANQIHUODIANZIREBAOHU,GUOZAISHIYOUYUFUZAIDEGD2(GUANXING)GUODAHUOYINFUZAIGUODASHIDIANDONGJIDUZHUANERCHANSHENG。 


大神棋牌 ③ZAISHENGGUODIANYABAOHU,YINGYONGNIBIANQISHIDIANDONGJIKUAISUJIANSUSHI,YOUYUZAISHENGGONGLVSHIZHILIUDIANLUDIANYASHENGGAO,YOUSHICHAOGUORONGXUZHI,KEYICAIQUTINGZHINIBIANQIYUNZHUANHUOTINGZHIKUAISUDEFANGFA,FANGZHIGUODIANYA。 


大神棋牌 ④SHUNSHITINGDIANBAOHU,DUIYUHAOMIAOJINEIDESHUNSHIDUANDIAN,KONGZHIDIANLUGONGZUOZHENGCHANG。DANSHUNSHITINGDIANRUGUODASHU10msYISHANGSHI,TONGCHANGBUJINKONGZHIDIANLUWUDONGZUO,ZHUDIANLUYEBUGONGDIAN,SUOYIJIANCECHUHOUSHINIBIANQITINGZHIYUNZHUAN。

 

⑤JIEDIGUODIANLIUBAOHU,NIBIANQIFUZAIJIEDISHI,WEILEBAOHUNIBIANQI,YAOYOUJIEDIGUODIANLIUBAOHUGONGNENG。DANWEILEBAOZHENGRENSHENANQUAN,XUYAOZHUANGSHELOUDIANBAOHUDUANLUQI。

 

⑥LENGQUEFENGJIYICHANG,YOULENGQUEFENGJIDEZHUANGZHI,DANGFENGJIYICHANGSHIZHUANGZHINEIWENDUJIANGSHANGSHENG,YINCICAIYONGFENGJIREJIDIANQIHUOQIJIANSANREPIANWENDUCHUANGANQI,JIANCECHUYICHANGHOUTINGZHINIBIANDIANQIGONGZUO。 


大神棋牌 (2)YIBUDIANDONGJIDEBAOHU 

①GUOZAIBAOHU,GUOZAIJIANCEZHUANGZHIYUNIBIANQIBAOHUGONGYONG,DANKAOLVDISUYUNZHUANDEGUORESHI,ZAIYIBUDIANDONGJINEIMAIRUWENDUJIANCHUQI,HUOZHELIYONGZHUANGZAINIBIANQINEIDEDIANZIREBAOHULAIJIANCHUGUORE。DONGZUOGUOPINSHI,YINGKAOLVJIANQINGDIANDONGJIFUHE,ZENGJIADIANDONGJIJINIBIANQIDERONGLIANGDENG。 


②CHAOSUBAOHU,NIBIANQIDESHUCHUPINLVHUOZHEYIBUDIANDONGJIDESUDUCHAOGUOGUIDINGZHISHI,TINGZHINIBIANQIYUNZHUAN。 

(3)QITABAOHU 

大神棋牌 ①FANGZHISHISUGUODIANLIU,JIASUSHI,RUGUOYIBUDIANDONGJIGENZONGCHIHUAN,ZEGUODIANLIUBAOHUDIANLUDONGZUO,YUNZHUANJIUBUNENGJIXUJINXING(SHISU)。SUOYI,ZAIFUZAIDIANLIUJIANXIAOZHIQIANYAOJINXINGKONGZHI,YIZHIPINLVSHANGSHENGHUOSHIPINLVXIAJIANG。DUIYUHENGSUYUNZHUANZHONGDEGUODIANLIU,YOUSHIYEJINXINGTONGYANGDEKONGZHI。

 

②FANGZHISHISUZAISHENGGUODIANYA,JIANSUSHICHANSHENGDEZAISHENGNENGLIANGSHIZHUDIANLUZHILIUDIANYASHANGSHENG,WEIFANGZHIZAISHENGGUODIANYADIANLUBAOHUDONGZUO,ZAIZHILIUDIANYAXIAJIANGZHIQIANYAOJINXINGKONGZHI,YIZHIPINLVXIAJIANG,FANGZHIBUNENGYUNZHUAN(SHISU)。 


变频器控制回路的抗干扰措施 

YOUYUZHUHUILUDEFEIXIANXING(JINXINGKAIGUANDONGZUO),BIANPINQIBENSHENJIUSHIXIEBOGANRAOYUAN,ERQIZHOUBIANKONGZHIHUILUQUESHIXIAONENGLIANG,RUOXINHAOHUILU,JIYIZAOSHOUQITAZHUANGZHICHANSHENGDEGANRAO,ZAOCHENGBIANPINQIZISHENHEZHOUBIANSHEBEIWUFAZHENGCHANGGONGZUO。YINCI,BIANPINQIZAIANZHUANGSHIYONGSHI,BIXUDUIKONGZHIHUILUCAIQUKANGGANRAOCUOSHI。 


(1)BIANPINQIDEJIBENKONGZHIHUILU 

大神棋牌 YIBANERYAN,TONGWAIBUJINXINGXINHAOJIAOLIUDEJIBENHUILONGLUYOUMONIYUSHUZILIANGZHONG: 

①4~20MADIANLIUXINHAOHUILU(MONI);1~5V/0~5VDIANYAXINHAOHUILU(MONI)。


大神棋牌 ②KAIGUANXINHAOHUILU,BIANPINQIDEKAITINGZHILING,ZHENGFANZHUANZHILINGDENG(SHUZI)。 

WAIBUKONGZHI,ZHILINGXINHAOTONGGUOSHANGSHUJIBENHUILUDAORUBIANPINQI,TONGSHIGANRAOYUANYEZAIQIHUILUSHANGCHANSHENGGANRAODIANSHI,YIKONGZHIDIANLANWEIMEIJIEQINRUBIANPINQI。 


(2)GANRAODEJIBENLEIXINGJIKANGGANRAOCUOSHI 

①JINGDIANOUHEGANRAO,ZHIKONGZHIDIANLANYUZHOUWEIDIANQIHUILUDEJINGDIANRONGOUHEZAIDIANLANZHONGCHANSHENGDEDIANSHI。DANGJIADAYUGANRAOYUANDIANLANDEJULI,DADAODAOTIZHIJING40BEIYISHANGSHI,GANRAOCHENGDUJIUHUIBUTAIMINGXIAN,YEKEZAILIANGDIANLANJIANSHEZHIPINGBIDAOTI,ZAIJIANGPINGBIDAOTIJIEDI。 


②JINGDIANGANYINGGANRAO,ZHIZHOUWEIDIANQIHUILUCHANSHENGDECITONGBIANHUAZAIDIANLANZHONGGANYINGCHUDEDIANSHI。QIQIANGDUQUJUEYUGANRAOYUANDIANLANCHANSHENGDECITONGDAXIAO、KONGZHIDIANLANXINGCHENGDEBIHUANMIANJIHEGANRAOYUANDIANLANYUKONGZHIDIANLANJIANDEXIANGDUIJIAODU。KEJIANGKONGZHIDIANLANYUZHUHUILUDIANLANHUOQITADONGLIDIANLANFENLIPUSHE。FENLIJULITONGCHANGYINGZAI30cmYISHANG(ZUISHAOBUDIYU10cm)。FENLIKUNNANSHI,JIANGKONGZHIDIANLANCHUANGUOTIEGUANPUSHE,YEKEJIANGKONGZHIDAOTIJIAOHE,JIAOHEJIANJUYUEXIAO,PUSHEDELUXIANYUEDUAN,KANGGANRAOXIAOGUOYUEHAO。

 

③DIANBOGANRAO,ZHIKONGZHIDIANLANCHENGWEITIANXIAN,YOUWAILAIDIANBOZAIDIANLANZHONGCHANSHENGDIANSHI。KANGGANRAOCUOSHITONG①②,BIYAOSHIJIANGBIANPINQIFANGRUTIEXIANGNEIJINXINGDIANBOPINGBI,PINGBIYONGDETIEXIANGWUBIJIEDI。 


大神棋牌 ④JIECHUBULIANGGANRAO,ZHIBIANPINQIKONGZHIDIANLANDEDIANJIEDIANJIJIDIANQICHUDIANJIECHUBULIANG,DIANZUFASHENGBIANHUAZAIDIANLANZHONGCHANSHENGDEGANRAO,DUICI,CAIYONGBINGLIANCHUDIANHUOTIGAODIANQIJIANDENGJILAIJIEJUE。DUIYUDIANLANLIANJIEDIANYINGDINGQIZUONINGJINJIAGUCHULI。 


大神棋牌 ⑤JIEDIGANRAO,ZHIJITIJIEDIHUOXINHAOJIEDI,DUIYURUODIANYA,DIANLIUHUILU,RENHEBUHELIDEJIEDIJUNKEYOUFAGEZHONGYIXIANGBUDAODEGANRAO,BIRUSHEZHILIANGGEYISHANGJIEDIDIAN,JIEDICHUHUICHANSHENGDIANWEICHA,CHANSHENGGANRAO。KEJIANGSUDUJIDINGDEKONGZHIDIANLANQUYIDIANJIEDI,JIEDIXIANBUZUOWEIXINHAODETONGLUSHIYONG,DIANLANDEJIEDIZAIBIANPINQICEJINXING,SHIYONGZHUANSHEDEJIEDIDUANZI,BUYUQITAJIEDIDUANZIGONGYONG。 


(3)QITAZHUYISHIXIANG 

①ZHUANGYOUBIANPINQIDEKONGZHIJU,YINGJINLIANGYUANLIDARONGLIANGBIANYAQIHEDIANDONGJI。QIKONGZHIDIANLANXIANLUYEYINGBIKAIZHEIXIELOUCITONGDADESHEBEI。 


②RUODIANYADIANLIUKONGZHIDIANLANBUYAOJIEJINYICHANSHENGDIANHUDEDIANQIJIAN。 


③KONGZHIDIANLANJIANYICAIYONG1.25mm2HUO2mm2PINGBIJIAOHEJUEYUANDIANLAN。 


大神棋牌 ④PINGBIDIANLANDEPINGBIYAOLIANJIEDAODIANLANDAOTITONGYANGZHANG。DIANLANZAIDUANZIXIANGZHONGLIANJIESHI,PINGBIDUANZIYAOHUXIANGLIANJIE。


变频器的常见故障分析 

(1)BIANPINQICHONGDIANQIDONGDIANLUGUZHANG,TONGYONGBIANPINQIYIBANWEIYONGYAXINGBIANPINQI,CAIYONGJIAO—ZHI—JIAOGONGZUOFANGSHI。DANGBIANPINQIGANGSHANGDIANSHI,YOUYUZHILIUCEDEPINGBODIANRONGRONGLIANGFEICHANGDA,CHONGDIANDIANLIUHENDA,TONGCHANGCAIYONGYIGEQIDONGDIANZULAIXIANZHICHONGDIANDIANLIU,CHANGJIANDELIANGZHONGBIANPINQIDONGDIANLURUTU2SUOSHI。CHONGDIANWANCHENGHOU,KONGZHIDIANLUTONGGUOJIDIANQIDECHUDIANHUOCHANGZHAGUANJIANGDIANZUDUANLU。QIDONGDIANLUGUZHANGYIBANBIAOXIANWEIQIDONGDIANZUSHAOHUAI,BIANPINQIBAOJINGXIANSHIWEIZHILIUXIANXIANDIANYAGUZHANG。YIBAN,BIANPINQIDESHEJISHI,WEILEJIANXIAOBIANPINQIDETIJIERXUANZEJIAOXIAOQIDONGDIANZU,QIZHIDUOWEI10—50Ω,GONGLVWEI10—50W;DANGBIANPINQIDEJIAOLIUSHURUDIANYUANPINFANJIETONG,HUOZHEPANGLUCHUQIDECHUDIANJIECHUBULIANGSHI,DOUHUIDAOZHIQIDONGDIANZUSHAOHUAI。YINCIZAITIHUANDIANZUDETONGSHI,BIXUZHAOCHUYUANYIN,RUGUOGUZHANGSHIYOUSHURUCEDIANYUANPINLVKAISHIYINQIDE,BIXUXIAOCHUZHEIZHONGXIANXIANGCAINENGJIANGBIANPINQITOURUSHIYONG,RUGUOGUZHANGZHIYOUPANGLUCHUYUANJIANYINQI,ZEBIXUGENGHUANZHEIXIEQIJIAN。 


(2)BIANPINQIWUGUZHANGXIANSHI,QUEBUNENGGAOSUYUNXING,JINGJIANCHABIANPINQICANSHUSHEZHIZHENGQUE,DIAOSUSHURUXINHAOZHENGCHANG,JINGSHANGDIANYUNXINGCESHI,BIANPINQIZHILIUMUXIANDIANYAZHIYOU450VZUOYOU(ZHENGCHANGYINGZAI580V-600V),ZAICESHURUCE,FAXIANQUELEYIXIANG。GUZHANGYUANYINSHISHURUCEDEYIGEKONGQIKAIGUANYIXIANGJIECHUBULIANGZAOCHENGDE。ZAOCHENGBIANPINQISHURUQUEXIANGBUBAOJING,RENGNENGZAIDIPINDUANGONGZUO,SHIYINWEIDUOSHUBIANPINQIDEMUXIANDIANYAXIAXIANWEI400V,ZHIYOUDANGMUXIANDIANYAJIANGZHI400VYIXIASHI,BIANPINQICAIBAOGAOGUZHANG。ERDANGLIANGXIANGSHURUSHI,ZHILIUMUXIANDIANYAWEI380V×1.2=452V>400V。DANGBIANPINQIBUYUNXINGSHI,YOUYUPINGBODIANRONGDEZUOYONG,ZHILIUDIANYAYEKEDADAOZHENGCHANGZHI,XINXINGDEBIANPINQIDOUCAIYONGPWMKONGZHIJISHU,DIAOYADIAOPINDEGONGZUOZAINIBIANQIAOWANCHENG,SUOYIZAIDIPINDUANSHURUQUEXIANGSHIRENGKEYIZHENGCHANGGONGZUO,DANYINSHURUDIANYA,SHUCHUDIANYADI,ZAOCHENGYIBUDIANDONGJIZHUANSUDIPINLVSHANGBUQU。 


(3)BIANPINQIXIANSHIGUOLIU,CHUXIANZHEIZHONGXIANSHISHI,SHOUXIANJIANCHAJIASUSHIJIANCANSHUSHIFOUTAIDUAN,LIJUTISHENGCANSHUSHIFOUTAIDA,RANHOUJIANCHAFUZAISHIFOUTAIZHONG。RUGUOMEIYOUZHEIXIEXIANXIANG,KEYIDUANKAISHUCHUCEDEDIANLIUHUGANQIHEZHILIUCEDEHUOERDIANLIUJIANCEDIAN,FUWEIHOUYUNXING,KANSHIFOUCHUXIANGUOLIUXIANXIANG。RUGUOSHI,HENKENENGSHIIPMMOKUAICHUXIANGUZHANG,YINWEIIPMMOKUAINEIHANYOUGUOYAGUOLIU,QIANYA,GUOZAI、GUORE,QUEXIANG、DUANLUDENGBAOHUGONGNENG,ERZHEIXIEGUZHANGXINHAODOUSHIJINGMOKUAIKONGZHIYINJIAODESHUCHUFnYINJIAOCHUANSONGDAOKONGZHIQIDE。WEIKONGZHIQIJIESHOUDAOGUZHANGXINXIHOU,YIFANGMIANFENGSUOMAICHONGSHUCHU,LINGYIFANGMIANJIANGGUZHANGXINXIXIANSHIZAIMIANBANSHANG。YINGGENGHUANIPMMOKUAI。 


(4)BIANPINQIXIANSHIGUOYAGUZHANG,BIANPINQICHUXIANGUOYAGUZHANG,YIBANSHILEIYUTIANQI,YOUYULEIDIANCHUANRUBIANPINQIDEDIANYUANZHONG,SHIBIANPINQIZHILIUCEDEDIANYAJIANCEQIDONGZUOERTIAOZHA,ZHEIZHONGQINGXING,TONGCHANGZHIXUDUANKAIBIANPINQIDIANYUAN1FENZHONGZUOYOUZAISHANGDIANJIKE,LINGYIZHONGQINGKUANGSHIBIANPINQIQUDONGDAGUANXINGFUZAI,ERCHUXIANGUODIANYAXIANXIANG。ZHEIZHONGQINGKUANGXIA,YISHIJIANGJIANSUSHIJIANCANSHUJIAZHANGHUOZENGDAZHIDONGDIANZU(ZHIDONGDANYUAN);ERSHIJIANGBIANPINQIDETINGZHIFANGSHISHEZHIWEIZIYOUTINGCHEFANGSHI。 


大神棋牌 (5)DIANJIFARE,BIANPINQIXIANSHIGUOZAI,DUIYUYIJINGTOURUYUNXINGDEBIANPINQI,BIXUJIANCHAFUZAIZHUANGKUANG,DUIYUXINANZHUANGDEBIANPINQICHUXIANZHEIZHONGGUZHANG,HENKENENGSHIV/FQUXIANSHEZHIBUDANGHUODIANJICANSHUSHEZHIYOUWENTI,CISHIBIXUZHENGQUESHEZHIHAOGEZHONGCANSHU,LINGWAI,DIANJIZAIDIPINDEGONGZUOSHISANREXINGNENGBIANCHA,YEHUICHUXIANZHEIZHONGQINGKUANG,ZHEISHIJIUXUJIAZHUANGSANREZHUANGZHI。

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