浅(Qian)谈(Tan)箱(Xiang)式(Shi)变(Bian)电(Dian)站(Zhan)在(Zai)城(Cheng)区(Qu)配(Pei)电(Dian)系(Xi)统(Tong)中(Zhong)的(De)应(Ying)用(Yong)

箱(Xiang)变(Bian)是(Shi)一(Yi)种(Zhong)把(Ba)高(Gao)压(Ya)开(Kai)关(Guan)设(She)备(Bei)、(?)配(Pei)电(Dian)变(Bian)压(Ya)器(Qi)和(He)低(Di)压(Ya)配(Pei)电(Dian)装(Zhuang)置(Zhi)按(An)一(Yi)定(Ding)接(Jie)线(Xian)方(Fang)案(An)组(Zu)合(He)在(Zai)一(Yi)体(Ti)的(De)工(Gong)厂(Chang)化(Hua)预(Yu)制(Zhi)式(Shi)紧(Jin)凑(?)型(Xing)配(Pei)电(Dian)设(She)备(Bei)，(?)具(Ju)有(You)成(Cheng)套(Tao)性(Xing)强(Qiang)、(?)体(Ti)积(Ji)小(Xiao)、(?)占(Zhan)地(Di)少(Shao)、(?)送(Song)电(Dian)周(Zhou)期(Qi)短(Duan)、(?)选(Xuan)址(Zhi)灵(Ling)活(Huo)、(?)对(Dui)环(Huan)境(Jing)适(Shi)应(Ying)性(Xing)强(Qiang)、(?)安(An)装(Zhuang)使(Shi)用(Yong)方(Fang)便(Bian)、(?)运(Yun)行(Xing)安(An)全(Quan)可(Ke)靠(Kao)及(Ji)投(Tou)资(Zi)少(Shao)、(?)见(Jian)效(Xiao)快(Kuai)等(Deng)一(Yi)系(Xi)列(Lie)优(You)点(Dian)。(?)

箱(Xiang)变(Bian)应(Ying)用(Yong)在(Zai)市(Shi)区(Qu)，(?)可(Ke)装(Zhuang)在(Zai)路(Lu)边(Bian)绿(Lu)化(Hua)区(Qu)、(?)道(Dao)路(Lu)交(Jiao)叉(Cha)口(Kou)、(?)生(Sheng)活(Huo)小(Xiao)区(Qu)、(?)生(Sheng)产(Chan)厂(Chang)地(Di)、(?)高(Gao)层(Ceng)建(Jian)筑(Zhu)等(Deng)处(Chu)。(?)同(Tong)容(Rong)量(Liang)箱(Xiang)变(Bian)的(De)占(Zhan)地(Di)面(Mian)积(Ji)仅(Jin)为(Wei)配(Pei)电(Dian)房(Fang)所(Suo)占(Zhan)面(Mian)积(Ji)的(De)1/5～(?)1/10，(?)同(Tong)时(Shi)大(Da)大(Da)减(Jian)少(Shao)了(Liao)工(Gong)程(Cheng)施(Shi)工(Gong)量(Liang)，(?)做(Zuo)到(Dao)投(Tou)资(Zi)少(Shao)、(?)见(Jian)效(Xiao)快(Kuai)。(?)

箱(Xiang)式(Shi)站(Zhan)的(De)总(Zong)体(Ti)结(Jie)构(Gou)

组(Zu)合(He)式(Shi)箱(Xiang)变(Bian)中(Zhong)，(?)高(Gao)压(Ya)开(Kai)关(Guan)设(She)备(Bei)所(Suo)在(Zai)的(De)室(Shi)一(Yi)般(Ban)称(Cheng)为(Wei)高(Gao)压(Ya)室(Shi);变(Bian)压(Ya)器(Qi)所(Suo)在(Zai)的(De)室(Shi)一(Yi)般(Ban)称(Cheng)为(Wei)变(Bian)压(Ya)器(Qi)室(Shi);低(Di)压(Ya)配(Pei)电(Dian)装(Zhuang)置(Zhi)所(Suo)在(Zai)的(De)室(Shi)称(Cheng)为(Wei)低(Di)压(Ya)室(Shi)。(?)这(Zhe)三(San)个(Ge)室(Shi)在(Zai)箱(Xiang)式(Shi)站(Zhan)中(Zhong)有(You)两(Liang)种(Zhong)布(Bu)置(Zhi)，(?)即(Ji)“(?)目(Mu)”(?)字(Zi)型(Xing)布(Bu)置(Zhi)和(He)“(?)品(Pin)”(?)字(Zi)型(Xing)布(Bu)置(Zhi)。(?)也(Ye)是(Shi)我(Wo)们(Men)通(Tong)常(Chang)所(Suo)说(Shuo)的(De)欧(Ou)变(Bian)和(He)美(Mei)变(Bian)的(De)布(Bu)置(Zhi)。(?)

箱(Xiang)变(Bian)内(Nei)的(De)中(Zhong)压(Ya)开(Kai)关(Guan)设(She)备(Bei)

箱(Xiang)式(Shi)站(Zhan)中(Zhong)，(?)若(Ruo)是(Shi)终(Zhong)端(Duan)接(Jie)线(Xian)，(?)使(Shi)用(Yong)(负(Fu)荷(He)开(Kai)关(Guan)+熔(Rong)断(Duan)器(Qi))组(Zu)合(He)电(Dian)器(Qi)柜(Gui);若(Ruo)为(Wei)环(Huan)网(Wang)接(Jie)线(Xian)，(?)则(Ze)采(Cai)用(Yong)环(Huan)网(Wang)供(Gong)电(Dian)单(Dan)元(Yuan)。(?)环(Huan)网(Wang)供(Gong)电(Dian)单(Dan)元(Yuan)一(Yi)般(Ban)配(Pei)负(Fu)荷(He)开(Kai)关(Guan)，(?)它(Ta)由(You)两(Liang)个(Ge)作(Zuo)为(Wei)进(Jin)出(Chu)线(Xian)的(De)负(Fu)荷(He)开(Kai)关(Guan)柜(Gui)和(He)一(Yi)个(Ge)变(Bian)压(Ya)器(Qi)保(Bao)护(Hu)柜(Gui)(负(Fu)荷(He)开(Kai)关(Guan)+熔(Rong)断(Duan)器(Qi))组(Zu)合(He)成(Cheng)电(Dian)器(Qi)柜(Gui)。(?)由(You)于(Yu)我(Wo)国(Guo)在(Zai)城(Cheng)网(Wang)建(Jian)设(She)和(He)改(Gai)造(Zao)中(Zhong)，(?)推(Tui)行(Xing)环(Huan)网(Wang)供(Gong)电(Dian)，(?)以(Yi)减(Jian)少(Shao)供(Gong)电(Dian)的(De)中(Zhong)断(Duan)，(?)预(Yu)期(Qi)环(Huan)网(Wang)供(Gong)电(Dian)单(Dan)元(Yuan)将(Jiang)有(You)大(Da)的(De)发(Fa)展(Zhan)。(?)

环(Huan)网(Wang)供(Gong)电(Dian)单(Dan)元(Yuan)的(De)特(Te)点(Dian)是(Shi)大(Da)大(Da)提(Ti)高(Gao)了(Liao)人(Ren)身(Shen)安(An)全(Quan)，(?)同(Tong)时(Shi)安(An)装(Zhuang)容(Rong)易(Yi)，(?)维(Wei)修(Xiu)少(Shao)，(?)省(Sheng)地(Di)方(Fang)，(?)经(Jing)济(Ji)效(Xiao)益(Yi)显(Xian)著(Zhu)。(?)环(Huan)网(Wang)供(Gong)电(Dian)单(Dan)元(Yuan)由(You)间(Jian)隔(Ge)组(Zu)成(Cheng)，(?)一(Yi)般(Ban)至(Zhi)少(Shao)由(You)三(San)个(Ge)间(Jian)隔(Ge)组(Zu)成(Cheng)，(?)即(Ji)2个(Ge)电(Dian)缆(Lan)进(Jin)出(Chu)间(Jian)隔(Ge)和(He)1个(Ge)变(Bian)压(Ya)器(Qi)回(Hui)路(Lu)间(Jian)隔(Ge)。(?)

城(Cheng)网(Wang)一(Yi)般(Ban)用(Yong)环(Huan)缆(Lan)，(?)在(Zai)用(Yong)架(Jia)空(Kong)线(Xian)的(De)地(Di)方(Fang)，(?)可(Ke)将(Jiang)架(Jia)空(Kong)线(Xian)引(Yin)至(Zhi)环(Huan)网(Wang)供(Gong)电(Dian)单(Dan)元(Yuan)旁(Pang)，(?)再(Zai)由(You)电(Dian)缆(Lan)引(Yin)进(Jin)和(He)引(Yin)出(Chu)。(?)一(Yi)般(Ban)来(Lai)说(Shuo)，(?)母(Mu)线(Xian)和(He)开(Kai)关(Guan)封(Feng)闭(Bi)在(Zai)充(Chong)SF6的(De)壳(Ke)体(Ti)内(Nei)。(?)由(You)于(Yu)壳(Ke)体(Ti)封(Feng)闭(Bi)，(?)故(Gu)不(Bu)受(Shou)外(Wai)界(Jie)环(Huan)境(Jing)的(De)影(Ying)响(Xiang)，(?)提(Ti)高(Gao)了(Liao)设(She)备(Bei)的(De)可(Ke)靠(Kao)性(Xing)，(?)又(You)由(You)于(Yu)用(Yong)绝(Jue)缘(Yuan)，(?)故(Gu)可(Ke)做(Zuo)到(Dao)体(Ti)积(Ji)小(Xiao)。(?)还(Huan)由(You)于(Yu)充(Chong)气(Qi)压(Ya)力(Li)低(Di)，(?)密(Mi)封(Feng)等(Deng)问(Wen)题(Ti)也(Ye)容(Rong)易(Yi)解(Jie)决(Jue)。(?)

变(Bian)压(Ya)器(Qi)的(De)匹(Pi)配(Pei)和(He)散(San)热(Re)处(Chu)理(Li)

箱(Xiang)变(Bian)用(Yong)变(Bian)压(Ya)器(Qi)为(Wei)降(Jiang)压(Ya)变(Bian)压(Ya)器(Qi)，(?)一(Yi)般(Ban)将(Jiang)10kV降(Jiang)至(Zhi)380V/220V，(?)变(Bian)压(Ya)器(Qi)容(Rong)量(Liang)一(Yi)般(Ban)为(Wei)50～(?)1600kVA，(?)箱(Xiang)变(Bian)最(Zui)常(Chang)用(Yong)的(De)容(Rong)量(Liang)为(Wei)80～(?)630kVA。(?)变(Bian)压(Ya)器(Qi)选(Xuan)用(Yong)S11或(Huo)更(Geng)高(Gao)等(Deng)级(Ji)全(Quan)密(Mi)封(Feng)、(?)免(Mian)维(Wei)护(Hu)、(?)低(Di)噪(Zao)音(Yin)、(?)性(Xing)价(Jia)比(Bi)高(Gao)的(De)油(You)浸(Jin)式(Shi)变(Bian)压(Ya)器(Qi)(噪(Zao)音(Yin)≤(?)50dB)或(Huo)新(Xin)型(Xing)干(Gan)式(Shi)变(Bian)压(Ya)器(Qi)SCB10等(Deng)。(?)采(Cai)用(Yong)干(Gan)式(Shi)变(Bian)压(Ya)器(Qi)时(Shi)，(?)变(Bian)压(Ya)器(Qi)室(Shi)必(Bi)须(Xu)配(Pei)散(San)热(Re)系(Xi)统(Tong)。(?)目(Mu)前(Qian)，(?)省(Sheng)内(Nei)要(Yao)求(Qiu)采(Cai)用(Yong)S11系(Xi)列(Lie)配(Pei)电(Dian)变(Bian)压(Ya)器(Qi)，(?)有(You)的(De)也(Ye)采(Cai)用(Yong)了(Liao)非(Fei)晶(Jing)合(He)金(Jin)变(Bian)压(Ya)器(Qi)，(?)其(Qi)优(You)点(Dian)是(Shi)空(Kong)载(Zai)损(Sun)耗(Hao)很(Hen)小(Xiao)，(?)只(Zhi)有(You)1/4～(?)1/3，(?)但(Dan)其(Qi)价(Jia)格(Ge)高(Gao)出(Chu) 1.3～(?)1.6倍(Bei)，(?)但(Dan)随(Sui)着(Zhuo)制(Zhi)造(Zao)技(Ji)术(Shu)的(De)提(Ti)高(Gao)，(?)一(Yi)旦(Dan)价(Jia)格(Ge)降(Jiang)下(Xia)来(Lai)，(?)非(Fei)晶(Jing)合(He)金(Jin)变(Bian)压(Ya)器(Qi)会(Hui)占(Zhan)据(Ju)市(Shi)场(Chang)主(Zhu)导(Dao)地(Di)位(Wei)。(?)根(Gen)据(Ju)江(Jiang)苏(Su)省(Sheng)电(Dian)力(Li)公(Gong)司(Si)要(Yao)求(Qiu)，(?)接(Jie)线(Xian)组(Zu)别(Bie)必(Bi)须(Xu)使(Shi)用(Yong)Dyn11联(Lian)结(Jie)。(?)

变(Bian)压(Ya)器(Qi)设(She)置(Zhi)有(You)二(?)种(Zhong)方(Fang)式(Shi)：(?)一(Yi)种(Zhong)将(Jiang)变(Bian)压(Ya)器(Qi)外(Wai)露(Lu)于(Yu)空(Kong)气(Qi)中(Zhong)，(?)但(Dan)仍(Reng)在(Zai)壳(Ke)体(Ti)内(Nei)，(?)更(Geng)换(Huan)方(Fang)便(Bian)(欧(Ou)式(Shi)箱(Xiang)变(Bian)布(Bu)置(Zhi));另(Ling)一(Yi)种(Zhong)将(Jiang)变(Bian)压(Ya)器(Qi)安(An)装(Zhuang)在(Zai)封(Feng)闭(Bi)隔(Ge)室(Shi)内(Nei)(美(Mei)式(Shi)箱(Xiang)变(Bian)布(Bu)置(Zhi))。(?)后(Hou)者(Zhe)变(Bian)压(Ya)器(Qi)室(Shi)为(Wei)防(Fang)日(Ri)照(Zhao)辐(Fu)射(She)使(Shi)室(Shi)温(Wen)升(Sheng)高(Gao)，(?)采(Cai)用(Yong)四(Si)周(Zhou)壁(Bi)添(Tian)加(Jia)隔(Ge)热(Re)材(Cai)料(Liao)、(?)双(Shuang)层(Ceng)夹(Jia)板(Ban)结(Jie)构(Gou)，(?)顶(Ding)盖(Gai)设(She)计(Ji)成(Cheng)带(Dai)空(Kong)气(Qi)垫(Dian)或(Huo)隔(Ge)热(Re)材(Cai)料(Liao)的(De)气(Qi)楼(Lou)结(Jie)构(Gou)，(?)内(Nei)设(She)通(Tong)风(Feng)道(Dao)，(?)装(Zhuang)有(You)自(Zi)动(Dong)强(Qiang)迫(Po)排(Pai)气(Qi)通(Tong)风(Feng)装(Zhuang)置(Zhi)(轴(Zhou)流(Liu)风(Feng)机(Ji)或(Huo)幅(Fu)面(Mian)风(Feng)机(Ji))。(?)通(Tong)常(Chang)装(Zhuang)置(Zhi)的(De)开(Kai)启(Qi)和(He)停(Ting)止(Zhi)，(?)由(You)变(Bian)压(Ya)器(Qi)室(Shi)的(De)温(Wen)度(Du)监(Jian)控(Kong)装(Zhuang)置(Zhi)自(Zi)控(Kong)，(?)其(Qi)温(Wen)度(Du)的(De)整(Zheng)定(Ding)值(Zhi)按(An)允(Yun)许(Xu)温(Wen)度(Du)的(De)80%～(?)90%设(She)定(Ding);室(Shi)内(Nei)正(Zheng)常(Chang)温(Wen)度(Du)下(Xia)，(?)靠(Kao)自(Zi)然(Ran)通(Tong)风(Feng)来(Lai)散(San)热(Re)。(?)