彩票下注

诚招全国合作代理商:13702431161

消除高次谐波对电网的影响

RIQI:2015-04-18

ZHAIYAO:ZHENDUIMUQIANYIXIEDAGONGCHANGGAOYAYONGHU,TEBIESHISHIYONGZHILIUDIANJIDEYAGANGQIYE,TONGGUOKEKONGGUIZHENGLIUSHEBEIZHENGLIUHOU,YOUYUZHENGLIUMAICHONGZHOUQIXINGGUANDUANHEDAOTONGDETEXING,DUIYU6MAICHONGZHENGLIUHUILU,CHANSHENG6n±1(n=1,2……)CIGAOCIXIEBO。ZHEIXIEGAOCIXIEBODIANLIULIUXIANGDIANWANG,HUIYANZHONGDEYINGXIANGDIANWANGDEZHILIANG。RUGUOWOMENHELIDESHEJIXUANZEJIAOLIULVBOZHUANGZHI,JIUKEYIHENHAODILVDIAOGAOCIXIEBODIANYA,YIJIANSHAODUIDIANLIWANGDEYINGXIANG,TIGAOGONGLVYINSHU,JIANGDIXIEBOSUNHAO。


1QUANPIANYILVBOQIDESHEJI


1.1 DENGZHIPINLVPIANYI  QIZHONG:DIANWANGPINLVBIANHUACHANSHENGDEPIANYI:δf=Δf/f,Δf-DIANWANGPINLVPIANYI,f=50Hz HUANJINGWENDUBIANHUAYINQIDIANRONGQIDIANRONGLIANGBIANHUACHANSHENGDEPIANYI: δc=aΔt/2 a—WEIDIANRONGQIWENDUXISHU; DEDIANKANGLIANGBIAOMEZHI; .CELIANGWUCHAδm=±0.002~±0.0051.


2 JISUANC、LJIRLn RCnZHI ·JISUANPINZHIYINSHU: ,QIZHONG?WEIDIANLIXITONGXIEBOZUKANGJIAO,YIBANφ=85°。  ·DIANRONGQICHENGSHOUDEJIBODIANYA:   XC—DIANRONGQIDEJIBORONGKANG;UCN—DIANRONGQIDEEDINGDIANYA;λ—FENGZHIXIEBOGUODIANYAXISHU;In—nCIXIEBODIANLIU;Kfn—nCIXIEBOFANGDAXISHU;n—XIEBOCISHU。  ·DIANKANGQIDEDIANKANGWEI:L=XL/2πf(6)


1.3 LVBODIANRONGQIDEXIAOYAN   Kfn—XIEBOFANGDAXISHU,ANJIXIANZHIKAOLVKfn=12 SHEJISHILI TANGSHANDIQUYIZUO110KVYONGHUBIANDIANZHAN,SHISHIYONGZHILIUDIANJIDEYAGANGQIYE,TONGGUOKEKONGGUIZHENGLIUSHEBEIZHENGLIUHOU,ZHUYAOSHI5CIXIEBO。QICANSHURUXIA: 5CIXIEBODIANLIUWEII5=54A,10KVMUXIANLURONGLIANGWEI ANDIANWANGDIPINJIANZAIBAOHUDONGZUOZHIWEI49.5HzJISUAN。  ANSHI(1)QIUCHUUC=6315V ANSHI(2)QIUCHUXC=110.08Ω   XUANZE7.2kV,100kvarDEDANTAIDIANRONGQI,X′C=7.22/0.1=518.4Ω。DIANRONGQIBINGLIANDETAISHU,p=518.4/110.08=4.71TAI,QUp=5TAI。ZEXC=7.22/5×0.1=103.68Ω,5CIXIEBOZUKANGWEI:X5=103.68/5=20.74Ω。 ANSHI(6)QIUCHU:   DIANKANGQIDEXIEBODIANZUWEI:QUqLn=60,RLn=X5/qLn=20.74/60=0.346Ω。DIANRONGQIDEXIEBODIANZUWEI:Rcn=X5tanθ=20.74×0.0008=0.017Ω,Rfn=0.346+0.017=0.3626Ω,SHIJIDEPINZHIYINSHUWEI:q=20.74/0.3626=57.


2,JIEJINYAOQIUZHI。


3,XIANCHANGSHICE  


YONGYIQIDUIGAIBIANDIANZHANJINXINGSHICEDEJIEGUO:JIERULVBOQIQIANDEBOXINGRUTU5,JIERULVBOQIHOUDEBOXINGRUTU6SUOSHI。ERQIE,GAIZHAN110kVJINXIANDEGONGLVYINSHUYOUYUANLAIDE0.4ZUOYOUTIGAODAO0.95YISHANG。


4 JIELUN  


DUIYUSHIYONGZHILIUDIANJIDEYAGANGQIYE,TONGGUOKEKONGGUIZHENGLIUSHEBEIZHENGLIUHOUCHANSHENGDEGAOCIXIEBO,QIZHUYAOWEI5CIXIEBO。ANSHANGSHUSHEJIDELVBOQIZHUANGZHIKEYIHENHAODELVDIAOGAOCIXIEBO。TIGAOGONGLVYINSHU,JIANGDIWUGONGSUNHAO。ERSHEJILVBOQIDEGUANJIANSHIXUANZEHELIDERLnZHI。


BIAOQIAN:DIANLIDIANRONGQI ZHINENGDIANRONGQI GUANGDONGDIANRONGQI