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谈感应电机电磁噪声的控制方法

FABUSHIJIAN:2019-05-26 10:01:00 DIANJI:    

 
 

无锡宏达起重电机2019年5月26日讯广东11选5  电机的噪声基本可以分为机械噪声、通风噪声和电磁噪声,电磁噪声的控制相对要复杂一些,因为往往会由于噪声的控制而导致电机的其他性能不符合要求。

YIBANLAISHUO,DIANJIDIANCIZAOSHENGYUQIXIZHONGDING、ZHUANZICICHANGZHIJIANXIANGHUZUOYONGERCHANSHENGDEJINGXIANGLI、DIANJIGOUJIANDEDONGTAIXIANGYING、YIJIDIANJIBIAOMIANDESHENGFUSHETEXINGYOUGUAN。DUIGANYINGDIANDONGJIERYAN,QIDIANCIZAOSHENGZEZHUYAOYUDING、ZHUANZIDECAOPEIHE,DING、ZHUANZIJIANBUTONGZHOUDUZAOCHENGPIANXINERCHANSHENGDEDANBIANCILALI,ZHUANZIZHULVZHILIANGDEHAOHUAI,QIXIDAXIAO、XIECAOCHENGDU、RAOZULEIBIEYIJIJIEJUDEXUANQUDENGDUOZHONGYINSUYOUGUAN。

YINGDANGZHICHU,SHISHIZAOSHENGKONGZHIDEFANGFAYUYINGXIANGZAOSHENGDEYINSUYIYANG,YESHIHENDUODE,DANYOUXIEKONGZHIFANGFAHUIZENGJIACHENGBEN,HUOZHEYINGXIANGDIANJIXINGNENG。DAOMUQIANWEIZHI,HAIMEIYOUYIZHONGJIANDANGUIZE,YEMEIYOUWANNENGFANGFANENGSHIYONGYUGEZHONGXINGSHIDEDIANJIZAOSHENGKONGZHI,DIANJISHEJIGONGZUOZHEZHINENGJINYIQIENULI,BAKENENGFASHENGDEZAOSHENGJIANGDIDAOJINGJIXINGHEDIANJIXINGNENGSUOXIANDEZUIDIFANWEINEI。

降低感应电动机电磁噪声方法
1
增大气隙

RUGUOQITAQINGKUANGXIANGTONG,DIANJICIMIBOHEJINGXIANGLIBODEFUZHISUIZHEDINGZHUANZIQIXIZHANGDUDEZENGDAERJIANXIAO。DANDUIYUGANYINGDIANDONGJI,DANGQIXIZENGDASHI,TONGCHANGHUISHIXIAOLVHEGONGLVYINSHUJIANGDI,BINGSHIDIANJIWENSHENGYOUSUOZENG。

2
2P电机脉动噪声控制

JING(DONG)TAIZHUANZIPIANXINYIJIDINGZIYUZHUANZITIEXINZHONGCIDAODEBIANHUAHUIZAI2PDIANJIZHONGXINGCHENGDANJICITONGBO,CONGERZAOCHENGMAIDONGZAOSHENG。GUANYURUHECONGSHEJISHANGKAOLVDUIMAIDONGZAOSHENGDEKONGZHI,ZHUANJIAHEXUEZHECENGTICHUBUTONGSHEJIFANGANDUIZAOSHENGYINGXIANGQINGKUANGDEYANJIUJIEGUO:DUIYUDANXIANGLIANGJIGANYINGDIANDONGJI,RUYOUKENENG,YINGSHIQIZAI“DUICHENG”ZHUANGTAIXIAYUNXING,YEJIUSHISHIZHU、FURAOZUZHONGDIANLIUZHIJIANDEXIANGWEICHAWEI90DU。DANGXIANGWEICHAJIAOWEI90”、JIZAI“DUICHENG”YUNXINGZHUANGTAISHI,QUANBUZHUYAOMAIDONGZAOSHENGCHENGFENJUYOUZUIXIAOSHENGGONGLVJI。

ZHEISHIYINWEI,ZAIDUICHENGYUNXINGSHIDEFANZHUANCICHANGWEILING,SUOYOUYUFANZHUANCICHANGYOUGUANDEMAIDONGLIDOUBEIXIAOCHU。DANSHI,ZONGCUNZAIZHEYOUZHENGZHUANCICHANGYINQIDEMAIDONGZAOSHENGCHENGFEN,GUMAIDONGZAOSHENGJISHIZAIDUICHENGYUNXINGSHIYEBUNENGWANQUANXIAOCHU。WEIJIANXIAOLIANGJIDIANJIDEMAIDONGZAOSHENG,KEYICAIQUDEJIBENCUOSHISHI:ZHUANZIYINGXIAODONGPINGHENG;SHIFANZHUANCICHANGZUIXIAO;SHIQIXICIDAOBIANHUAZUIXIAO。

3
斜槽

广东11选5 DINGZIHUOZHUANZICAIYONGXIECAO,HUISHIZUOYONGYUMOUYIZHOUXIANGWEIZHICHUDEDINGZIDIEPIANSHANGDEJINGXIANGLIYUZUOYONGYUQITAZHOUXIANGWEIZHICHUDEQITATIEXINDIEPIANSHANGDELIYOUSUOBUTONG。HUANJUHUASHUO,CAIYONGXIECAOSHIDEBUTONGZHOUXIANGTIEXINWEIZHICHUDEJINGXIANGLIZHIJIANCUNZAIXIANGWEICHA。YINCI,ZUOYONGYUYIGENDAOTIAOSHANGDEPINGJUNJINGXIANGLI,NAIZHIYUZHENDONGHEZAOSHENGJI,DOUJIANGYINCAIYONGXIECAOERJIANGDI。

广东11选5 SHIYANZHENGMING,XIECAOJINDUI100kWYIXIAZHONGXIAOXINGJIAOLIUDIANJIYOUHAOCHU。DUIYUDAXINGJIAOLIUDIANJI,TEBIESHIEDINGGONGLVCHAOGUO500kWDEDIANJI,YIBANBUCAIYONGXIECAO,YINWEIZHEIYANGHUIZAIZHUANZILONGXINGDAOTIAOZHIJIANYINQIJIAODADEHENGXIANGDIANLIU,BINGZAOCHENGNIUZHUANZHENDONG,ZENGDAFACHUDEZAOSHENG。ZAIZHONGXIAOXINGJIAOLIUDIANJIZHONG,NIUZHENGUYOUPINLVYIBANGAOYU10kHz,YINERNIUZHUANZHENDONGDUIDIANJIZAOSHENGDEYINGXIANGKEYIHULVE。LILUNYANJIUBIAOMING,ZHILIUDIANDONGJICIJIXIEZHUANGHUODIANSHUXIECAOYIGEHUODUOGEZHENGSHUCAOJU,YOUZHUYUJIANSHAOZUOYONGYUDINGZICIJIDECILIHEZHUANJU。

4
定子绕组采用并联支路

YIXIEDIANJILILUNYANJIUZHICHU,ZHUANZIPIANXINJIANGYINQIYIXILIEDIJIDUISHUDEJINGXIANGLIBO,BINGSHIDIANJIYUNXINGZAOSHENGZENGDA。YINCI,YINGDANGZAIGONGYISHANGYANGEKONGZHIZHUANZIPIANXINDU,SHIZHIJIANGDAOZUIXIAOKENENGXIANDU。DANCONGJINGJISHANGKAOLV,YOUQIDUIYUDAGUIMOSHENGCHANLAISHUO,CAIYONGZHEIZHONGBANFABIJIAOKUNNAN。LINGYIZHONGFANGFAZESHIZAIDINGZIRAOZHONGCAIYONGBINGLIANZHILU。

SHIYANBIAOMING,ZAIBUTONGDEBINGLIANZHILUSHUHELIANJIEFANGSHISHI,RUGUOMEIDUANRAOZUSHANGDEWAIJIADIANYABAOCHIBUBIAN,RUYIQUANBUJIXIANGZUCHUANLIANSHISUODEDAODESHENGGONGLVJIZUOWEIJIZHUN,ZEZAI75%XIANGDUIPIANXINDUSHI,CAIYONGLIANGTIAOBINGLIANZHILUJIAJUNYAXIANDELIANJIEFANGSHISHIZAOSHENGMINGXIANJIANSHAO;MEIYOUJUNYAXIANDEXIANGTONGLIANJIEFANGSHI,ZAOSHENGJIANSHAODEBUDUO,JUYOU4TIAOBINGLIANZHILUDEDUIJIANSHAOZAOSHENGDEZUOYONGBIJUYOULIANGTIAOBINGLIANZHILUJIAJUNYAXIANDEHAIYAOHAO。

DANSHI,BINGLIANZHILUSHUDENGYUJIDUISHUSHIJIANSHAOZHENDONGDEZUIYOUXIAOLIANJIEFANGSHIDEKANFABINGBUZONGSHIZHENGQUEDE,ERWUJUNYAXIANDEBINGLIANJIEFABIQIQITALIANJIEFANGSHISIHUYEDEYIJIAOSHAO,QIECONGSHIJISHANGKEYIZHENGMING,TASHENZHIBUBICAIYONGQUANBUCHUANLIANDERAOZUGENGWEIYOUYUE。CIWAI,XINGCHENGBINGLIANZHILUDEWAIJIEXIANBUZHIYAOTEBIEZHUYI,BUKEXINGCHENG“HUAN”。

5
降低电机外表面的动态振幅

广东11选5 (1)SHIDIANJIZHUYAOGOUJIAN(DINGZI、ZHUANZI、DUANGAI)DEGUYOUPINLVYUZHUYAODIANCIJIZHENLIDEPINLVSHIXIE。DUIYUYOUBIANPINZHUANGZHIGONGDIANDEJIAOLIUBIANSUDIANJI,YAOBIMIANFASHENGGONGZHENBIJIAOKUNNAN,YINWEIQIZHUYAODIANCIJIZHENLIDEPINLVBIANHUAFANWEIHENKUAN。(2)DINGZITIEXINYUJIZUOZHIJIANCAIYONG“DANXING”JIXIELIANJIE,YIZUIDAXIANDUDIJIANXIAOJIZUOZHENDONG。ZHEIZHONGFANGFATONGCHANGYONGYUDAXINGHEZHONGXINGDIANJI。(3)ZENGGAODINGZITIEXINEBUGAODU,YIZENGDAQIGANGDU。(4)CAIYONGJIANZHENCAILIAO,YIZENGDAGOUJIANDEKANGZHENNENGLI。(5)ZENGJIADIANCIJIZHENLIDEJIESHU。


6
降低声辐射效率

广东11选5 WEISHIDIANJIFACHUDEZAOSHENGZUIXIAO, JIANYICAIYONGJIAODUANDEZHANGDUHEJIAODADEZHIJING,ERBUSHIJIAOZHANGDEZHANGDUHEJIAOXIAODEZHIJING。CIWAI,RUQIANYISHU,HAIYINGSHIDANGDIXUANZEDINGZIHEZHUANZICAOSHU,YIBAOZHENGZHUYAODEDIANCIJIJULICHENGFENJUYOUJIAOGAODEJIESHU。DANGRAN,XUANZEDING、ZHUANZICAOSHUSHI,BIXUJIANGUDIANJIZASANSUNHAO、FUJIAZHUANJUDENGHEDIANJICHENGBEN。CIWAI,HAIYINGZHUYIBUNENGYINCAOSHUGAIBIANDAOZHIDIANCIJIZHENLIPINLVYUMOUXIEDIANJIGOUJIANDEGUYOUPINLVXIANGJIEJIN。

广东11选5 FENXIZHERENWEI,YANGEZUNSHOUDING、ZHUANZICAOPEIHEDEGUIZESHISHOUYAODE,ERSHIZHEIXIEPINLVBICIBUXIANGJIEJINSHIZUIZHONGYAODESHIQING。

广东11选5 XUANZEDING、ZHUANZICAOSHUYITICHUBUSHAOGUIZE,DANSHANGMEIYOUYIZHONGGUIZENENGSHIYONGYUSUOYOUXINGSHIDEDIANJI。HAIMEIYOUSHIFACHUZAOSHENGZUIXIAODEJUEDUI“HAODE”CAOPEIHE;RUGUOYAOZUOXUANZEDEHUA,YINGQUANMIANKAOLVDAOLIBOCHENGFEN、GOUJIANJIXIEXINGWEIHEDIANJIBIAOMIANDEFUSHETEXING。

 
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