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防爆配电箱三相电原理和接法

发布时间:2019-08-21 15:03:00 查看次数:

SANXIANGJIAOLIUXITONGGUANGFANYONGYUPEIDIANJIZHIJIEWEIGONGLVGENGGAODESHEBEITIGONGDIANLI。BENWENJIESHAOLEFANGBAOPEIDIANXIANGNEISANXIANGXITONGDEJIBENYUANLIJIKENENGDEBUTONGCELIANGLIANJIEZHIJIANDECHAYI。

一、防爆配电箱三相系统:

SANXIANGDIANYOUPINLVXIANGTONG、FUDULEISIDESANGEACDIANYAZUCHENG。MEIGEacDIANYA“XIANGWEI”YULINGYIGEacDIANYAXIANGGE120°(TU1)。ZHEIKEYITONGGUOTUXINGFANGSHI,SHIYONGBOXINGHESHILIANGTU(TU2)JINXINGBIAOSHI。

三相电压波形.jpg

TU1. SANXIANGDIANYABOXING

三相电压矢量.jpg

TU2. SANXIANGDIANYASHILIANG

SHIYONGSANXIANGXITONGDEYUANYINYOULIANGGE:

1、KEYISHIYONGSANGESHILIANGJIANGEDEDIANYA,ZAIMADAZHONGCHANSHENGXUANZHUANCICHANG。CONGERKEYIZAIBUXUYAOEWAIRAOZUDEQINGKUANGXIAQIDONGMADA;

2、SANXIANGXITONGKEYILIANJIEDAOFUZAISHANG,YAOQIUDETONGLANLIANJIESHULIANG(CHUANSHUSUNHAO)SHIQITAFANGSHIDEYIBAN;

内蒙快3WOMENKANKANSANGEDANXIANGXITONG,MEIGEXITONGWEIYIGEFUZAITIGONG100WDEGONGLV(TU3)。

内蒙快3(1)ZONGFUZAISHI3 x 100W = 300W.WEITIGONGDIANLI,1ANPEIDIANLIULIUJING6GENXIAN,YINCIYOU6GEDANWEIDESUNHAO;

(2)YEKEYIBASANGEDIANYUANLIANJIEDAOYIGEGONGGONGHUICHENGSHANG,RUTU4SUOSHI:

a、DANGMEIGEXIANGWEIZHONGDEFUZAIDIANLIUXIANGTONGSHI,FUZAIBEIRENWEISHIJUNHENGDE;

b、ZAIFUZAIJUNHENG、QIESANGEDIANLIUXIANGWEIBICIWEIYI120°DEQINGKUANGXIA,RENHESHIDIANSHANGDEDIANLIUZHIHEDOUWEILING,HUICHENGXIANLUZHONGMEIYOUDIANLIU;

三个单相电源-6个单位损耗.jpg

TU3. SANGEDANXIANGDIANYUAN - 6GEDANWEISUNHAO

三相电源,均衡负载-3个单位损耗.jpg

TU4. SANXIANGDIANYUAN,JUNHENGFUZAI - 3GEDANWEISUNHAO

ZHU:

内蒙快3ZAISANXIANG120°XITONGZHONG,YAOQIU3GENXIANCHUANSONGGONGLV,ERZAIQITAFANGSHIXIAZEYAOQIU6GENXIAN。YAOQIUDETONGLANSHULIANGJIANSHAOLEYIBAN,DAOXIANCHUANSHUSUNHAOYEJIANGJIANBAN。

二、防爆配电箱Y形接法或星形接法:

内蒙快31、YONGYOUGONGGONGLIANJIEDESANXIANGXITONGTONGCHANGRUTU5DESHIYITUSUOSHI,CHENGWEI“YXINGHUOXINGXING”JIEFA;

2、GONGGONGDIANCHENGWEIZHONGXINGDIAN。WEIANQUANQIJIAN,ZHEIGEDIANTONGCHANGZAIDIANYUANSHANGJIEDI;

内蒙快33、ZAISHIJIANZHONG,FUZAIBINGBUSHIWANMEIJUNHENGDE,YAOSHIYONGDISITIAO“ZHONGXING”XIANCHUANSONGDEDAODEDIANLIU。RUGUOBENDIFAGUIHEBIAOZHUNYUNXU,ZHONGXINGDAOTIKENENGHUIBISANTIAOZHUDAOTIXIAODEDUO;

Y形接法或星形接法-三相四线.jpg

TU5. YXINGJIEFAHUOXINGXINGJIEFA-SANXIANGSIXIAN

三、防爆配电箱三角形接法:

1、SHANGMIANTAOLUNDESANGEDANXIANGDIANYUANYEKEYICHUANLIANQILAI;

内蒙快32、ZAIRENHESHIDIANSHANG,SANGE120°XIANGYIDIANYAZHIHEDOUSHILING;

内蒙快33、RUGUOHEWEILING,NEIMELIANGGEDUANDIANDOUCHUZAIXIANGTONGDEDIANWEI,KEYILIANJIEZAIYIQI;

内蒙快34、ZHEIZHONGJIEFARUTU7ZHONGDESHIYITUSUOSHI,SHIYONGXILAZIMUΔBIAOSHI,CHENGWEISANJIAOXINGJIEFA。

任意时间的瞬时电压之和为零.jpg

TU6. RENYISHIJIANDESHUNSHIDIANYAZHIHEWEILING

三角形接法-三相三线.jpg

内蒙快3TU7. SANJIAOXINGJIEFA-SANXIANGSANXIAN

四、防爆配电箱Y形接法和三角形接法比较:

内蒙快31、YXINGJIEFAYONGLAIWEIJIATINGHEBANGONGZHONGSHIYONGDERICHANGDANXIANGSHEBEIGONGDIAN。DANXIANGFUZAILIANJIEDAOXIANLUHEZHONGXINGXIANZHIJIANYXINGDEYITIAOTUISHANG。MEIGEXIANGWEIDEZONGFUZAIJINKENENGDUODIGONGXIANG,YIBIANWEIZHUSANXIANGDIANYUANTIGONGJUNHENGFUZAI;

2、YXINGJIEFAHAIKEYIWEIGENGGAODIANYASHANGGENGGAODEGONGLVFUZAITIGONGDANXIANGHUOSANXIANGDIAN。DANXIANGDIANYASHIXIANGWEIDAOZHONGXINGDIANYA。LINGWAIHAITIGONGJIAOGAOXIANGJIANDIANYA,RUTU8ZHONGDEHEISESHILIANGSUOSHI。

Y形接法.jpg

TU8. V phase-phase = √3 x V phase-neutral

3、SANJIAOXINGJIEFAZUICHANGYONGDEQINGKUANGSHIWEIGONGLVJIAOGAODESANXIANGGONGYEFUZAIGONGDIAN。RANER,TONGGUOYANZHEBIANYAQIXIANQUANJINXINGLIANJIEHUO“FENJIE”,KEYICONGSANXIANGSANJIAOXINGDIANYUANZHONGHUODEBUTONGDEDIANYAZUHE。LIRU,ZAIMEIGUO,240VSANJIAOXINGXITONGKEYIYOUFENXIANGHUOZHONGXINFENJIEXIANQUAN,TIGONGLIANGGE120VDIANYUAN(TU9)。WEIANQUANQIJIAN,ZHONGXINFENJIEDIANKEYIZAIBIANYAQISHANGJIEDI。ZAIZHONGXINFENJIEDIANHESANJIAOXINGJIEFADEDISANTIAO“GAOJIAO”ZHIJIAN,HAITIGONGLE208VDIANYA;

三角形接法采用“分相”或“中心分接”线圈.jpg

TU9. SANJIAOXINGJIEFA,CAIYONG“FENXIANG”HUO“ZHONGXINFENJIE”XIANQUAN

五、防爆配电箱功率测量:

内蒙快31、ZAIJIAOLIUXITONGZHONG,GONGLVSHIYONGGONGLVBIAOCELIANG;

2、XIANDAISHUZICAIYANGGONGLVBIAO,BADUOGEDIANYAHEDIANLIUDESHUNSHIYANGDIANCHENGZAIYIQI,JISUANSHUNSHIGONGLV,RANHOUQUYIGEZHOUQIZHONGSHUNSHIGONGLVDEPINGJUNZHI,BIAOSHIYOUGONGGONGLV;

3、GONGLVBIAOJIANGZAIGUANGFANDEBOXING、PINLVHEGONGLVYINSHUFANWEISHANG,ZHUNQUECELIANGYOUGONGGONGLV、SHIZAIGONGLV、WUGONGFUZAI、GONGLVYINSHU、XIEBODENGDENG;

内蒙快34、WEISHIGONGLVFENXIYITIGONGLIANGHAODEJIEGUO,BIXUNENGGOUZHENGQUESHIBIEBUXIANPEIZHI,ZHENGQUELIANJIEGONGLVFENXIYI;

六、防爆配电箱单相功率表连接:

ZHIYAOQIUYIGEGONGLVBIAO,RUTU10SUOSHI。XITONGYUGONGLVBIAODIANYADUANZIHEDIANLIUDUANZIDELIANJIEJIANDANMINGLE。GONGLVBIAODEDIANYADUANZITOUGUOFUZAIBINGLIAN,DIANLIUTONGGUOYUFUZAICHUANLIANDEDIANLIUDUANZISHURU。

单相双线和DC测量.jpg

TU10. DANXIANGSHUANGXIANHEDCCELIANG


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