广东11选5

变频器批发

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企业名称:临沂兰山区西川变频器厂

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变频器维修入门--电路分析

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变频器维修入门--电路分析

发布日期:2019-04-20 作者: 点击:

对于变频器修理,仅了解以上基本电路还远远不够的,还须深刻了解以下主要电路。主回路主要由整流电路、限流电路、滤波电路、制动电路、逆变电路和检测取样电路部分组成。图2.1是它的结构图。变频器厂

1)驱动电路

QUDONGDIANLUSHIJIANGZHUKONGDIANLUZHONGCPUCHANSHENGDELIUGEPWMXINHAO,JINGGUANGDIANGELIHEFANGDAHOU,ZUOWEINIBIANDIANLUDEHUANLIUQIJIAN(NIBIANMOKUAI)TIGONGQUDONGXINHAO。DUI QUDONGDIANLUDEGEZHONGYAOQIU,YINHUANLIUQIJIANDEBUTONGERYI。TONGSHI,YIXIEKAIFASHANGKAIFALEXUDUOSHIYIGEZHONGHUANLIUQIJIANDEZHUANYONGQUDONGMOKUAI。YOUXIEPINPAI、XINGHAODEBIANPINQIZHIJIECAIYONGZHUANYONGQUDONGMOKUAI。 DANSHI,DABUFENDEBIANPINQICAIYONGQUDONGDIANLU。CONGXIULIDEJIAODUKAOLV,ZHEILIJIESHAOJIAODIANXINGDEQUDONGDIANLU。TU2.2SHIJIAOCHANGJIANDEQUDONGDIANLU(QUDONGDIANLUDIANYUANJIANTU2.3)。QUDONGDIANLUYOUGELIFANGDADIANLU、QUDONGFANGDADIANLUHEQUDONGDIANLUDIANYUANZUCHENG。SANGESHANGQIAOBEIQUDONGDIANLUSHISANGEDULIQUDONGDIANYUANDIANLU,SANGEXIAQIAOBEIQUDONGDIANLUSHIYIGEGONGGONGDEQUDONGDIANYUANDIANLU。BIANPINQICHANG

变频器厂



2)保护电路

广东11选5DANGBIANPINQICHUXIANYICHANGSHI,WEILESHIBIANPINQIYINYICHANGZAOCHENGDESUNSHIJIANSHAODAOZUIXIAO,SHENZHIJIANSHAODAOLING。MEIGEPINPAIDEBIANPINQIDOUHENZHONGSHIBAOHUGONGNENG,DOUSHEFAZENGJIABAOHUGONGNENG,TIGAOBAOHUGONGNENGDEYOUXIAOXING。ZAIBIANPINQIBAOHUGONGNENGDELINGYU,CHANGSHANGKEWEISHIJINJIESHU,ZUOHAOWENZHANG。ZHEIYANG,YEJIUXINGCHENGLEBIANPINQIBAOHUDIANLUDEDUOYANGXINGHEFUZAXING。YOUCHANGGUIDEJIANCEBAOHUDIANLU,RUANJIANZONGHEBAOHUGONGNENG。YOUXIEBIANPINQIDEQUDONGDIANLUMOKUAI、ZHINENGGONGLVMOKUAI、ZHENGLIUNIBIANZUHEMOKUAIDENG,NEIBUDOUJUYOUBAOHUGONGNENG。TU2.4SUOSHIDEDIANLUSHIJIAODIANXINGDEGUOLIUJIANCEBAOHUDIANLU。YOUDIANLIUQUYANG、XINHAOGELIFANGDA、XINHAOFANGDASHUCHUSANBUFENZUCHENG。BIANPINQICHANG

变频器厂


3)开关电源电路

KAIGUANDIANYUANDIANLUXIANGCAOZUOMIANBAN、ZHUKONGBAN、QUDONGDIANLUJIFENGJIDENGDIANLUTIGONGDIYADIANYUAN。TU2.5FUSHIG11XINGKAIGUANDIANYUANDIANLUZUCHENGDEJIEGOUTU。BIANPINQICHANG

变频器厂


ZHILIUGAOYAPDUANJIADAOGAOPINMAICHONGBIANYAQICHUJIDUAN,KAIGUANDIAOZHENGGUANCHUANJIEMAICHONGBIANYAQILINGYIGECHUJIDUANHOU,ZAIJIEDAOZHILIUGAOYANDUAN。KAIGUANGUANZHOUQIXINGDIDAOTONG、JIEZHI,SHICHUJIZHILIUDIANYA HUANCHENGJUXINGBO。YOUMAICHONGBIANYAQIOUHEDAOCIJI,ZAIJINGZHENGLIULVBOHOU,HUODEXIANGYINGDEZHILIUSHUCHUDIANYA。TAYOUDUISHUCHUDIANYAQUYANGBIJIAO,QUKONGZHIMAICHONGDIAOKUANDIANLU,YIGAIBIANMAICHONGKUANDUDEFANGSHI,SHI SHUCHUDIANYAWENDING。BIANPINQICHANG


4)主控板上通信电路

广东11选5DANGBIANPINQIYOUKEBIANCHENG(PLC)HUOSHANGWEIJISUANJI、RENJIJIEMIANDENGJINXINGKONGZHISHI,BIXUTONGGUOTONGXINJIEKOUXIANGHUCHUANDIXINHAO。TU2.6SHILGBIANPINQIDETONGXUNJIEKOUDIANLU。BIANPINQITONGXINSHI,TONGCHANGCAIYONGLIANGXIANZHIDERS485JIEKOU。XIMENZIBIANPINQIYESHIYIYANG。LIANGXIANFENBIEYONGYUCHUANDIHEJIESHOUXINHAO。BIANPINQIZAIJIESHOUDAOXINHAOHOUCHUANDIXINHAOZHIQIAN,ZHEILIANGZHONGXINHAODOUJINGGUOHUANCHONGQI1701、75176BDENGJICHENGDIANLU,YIBAOZHENGLIANGHAODETONGXINXIAOGUO。SUOYI,BIANPINQIZHUKONGBANSHANGDETONGXINJIEKOUDIANLUZHUYAOSHIZHIZHEIBUFENDIANLU,HAIYOUXINHAODEKANGGANRAODIANLU。BIANPINQICHANG

变频器厂

5)外部控制电路

BIANPINQIWAIBUKONGZHIDIANLUZHUYAOSHIZHIPINLVSHEDINGDIANYASHURU,PINLVSHEDINGDIANLIUSHURU、ZHENGZHUAN、FANZHUAN、DIANDONGJITINGZHIYUNXINGKONGZHI,DUODANGZHUANSUKONGZHI。PINLVSHEDINGDIANYA(DIANLIU)SHURUXINHAOTONGGUOBIANPINQINEIDEA/DZHUANHUANDIANLUJINRUCPU。QITAYIXIEKONGZHITONGGUOBIANPINQINEISHURUDIANLUDEGUANGOUGELICHUANDIDAOCPUZHONG。


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