智能變(bian)電站的(de)保護(hu)監測系(xi)統的(de)精(jing)準度(du)無法(fa)保證(zheng),導(dao)致(zhi)變(bian)電站設(she)備(bei)維修更新頻繁,成本高。因此設(she)計(ji)(ji)智能變(bian)電站二次(ci)(ci)系(xi)統物理回路模(mo)型。基(ji)于(yu)虛(xu)端子方法(fa)設(she)計(ji)(ji)二次(ci)(ci)系(xi)統物理回路,設(she)計(ji)(ji)通訊信號(hao)、設(she)備(bei)文件、虛(xu)擬(ni)(ni)終(zhong)端等計(ji)(ji)算機操作流程。經過模(mo)擬(ni)(ni)實驗(yan)驗(yan)證(zheng),物理回路模(mo)型可以完(wan)成工作,與傳統回路相(xiang)比更加精(jing)準。

0 引言

近年(nian)來,與社會(hui)經濟發(fa)展(zhan)、電(dian)(dian)(dian)(dian)網(wang)穩定運(yun)行(xing)相關(guan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)氣候環(huan)境惡(e)化(hua)、能(neng)(neng)(neng)源安全問題日益突出。隨著(zhu)(zhu)社會(hui)信息化(hua)、智能(neng)(neng)(neng)化(hua)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)普及(ji),電(dian)(dian)(dian)(dian)器的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)使用(yong)(yong)已經滲(shen)透到人(ren)們工作、生活(huo)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)方方面(mian)面(mian),用(yong)(yong)戶對用(yong)(yong)電(dian)(dian)(dian)(dian)可靠性的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)要(yao)(yao)(yao)求越來越高(gao)(gao),例(li)如智能(neng)(neng)(neng)家居、智慧大廈、電(dian)(dian)(dian)(dian)動(dong)汽車等新(xin)型電(dian)(dian)(dian)(dian)器產品的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)出現(xian),需(xu)要(yao)(yao)(yao)電(dian)(dian)(dian)(dian)能(neng)(neng)(neng)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)持續(xu)供(gong)給,對能(neng)(neng)(neng)源分(fen)配和(he)存儲提(ti)出了(le)(le)(le)新(xin)需(xu)求。面(mian)對社會(hui)需(xu)求的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)發(fa)展(zhan),電(dian)(dian)(dian)(dian)網(wang)運(yun)營(ying)亟(ji)需(xu)做出調整(zheng),改變(bian)目前的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)運(yun)營(ying)模(mo)式(shi)(shi),提(ti)升(sheng)電(dian)(dian)(dian)(dian)能(neng)(neng)(neng)供(gong)給的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)質量,其中*重(zhong)要(yao)(yao)(yao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)環(huan)節(jie)就是保(bao)障電(dian)(dian)(dian)(dian)能(neng)(neng)(neng)供(gong)給的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)穩定性。基(ji)于此分(fen)析,電(dian)(dian)(dian)(dian)網(wang)需(xu)要(yao)(yao)(yao)外(wai)功(gong)(gong)(gong)與內(nei)功(gong)(gong)(gong)兼修,**提(ti)升(sheng)自身(shen)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)服務質量,外(wai)功(gong)(gong)(gong)主要(yao)(yao)(yao)體(ti)現(xian)在積極拓展(zhan)電(dian)(dian)(dian)(dian)能(neng)(neng)(neng)來源,開(kai)發(fa)清潔高(gao)(gao)效的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)新(xin)型能(neng)(neng)(neng)源,形(xing)(xing)成均(jun)衡的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)互補式(shi)(shi)供(gong)電(dian)(dian)(dian)(dian)網(wang)絡;內(nei)功(gong)(gong)(gong)則體(ti)現(xian)在升(sheng)級現(xian)有變(bian)電(dian)(dian)(dian)(dian)設(she)(she)(she)備(bei)(bei)和(he)供(gong)電(dian)(dian)(dian)(dian)網(wang)絡,建設(she)(she)(she)大規模(mo)分(fen)布式(shi)(shi)能(neng)(neng)(neng)源接(jie)入電(dian)(dian)(dian)(dian)網(wang),提(ti)高(gao)(gao)變(bian)電(dian)(dian)(dian)(dian)站(zhan)(zhan)硬件設(she)(she)(she)施(shi),實(shi)現(xian)高(gao)(gao)質量的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)穩定供(gong)電(dian)(dian)(dian)(dian)。隨著(zhu)(zhu)自動(dong)控制技術(shu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)進步,智能(neng)(neng)(neng)一(yi)次設(she)(she)(she)備(bei)(bei)、電(dian)(dian)(dian)(dian)力(li)信息接(jie)口標準的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)不(bu)斷規范,智能(neng)(neng)(neng)變(bian)電(dian)(dian)(dian)(dian)站(zhan)(zhan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)雛形(xing)(xing)已經初見(jian)規模(mo),變(bian)電(dian)(dian)(dian)(dian)站(zhan)(zhan)一(yi)、二(er)(er)次設(she)(she)(she)備(bei)(bei)系(xi)統(tong)集(ji)成和(he)控制方式(shi)(shi)實(shi)現(xian)了(le)(le)(le)物聯(lian)網(wang)互聯(lian),控制能(neng)(neng)(neng)力(li)和(he)自動(dong)化(hua)水平得以(yi)(yi)提(ti)升(sheng),奠定了(le)(le)(le)電(dian)(dian)(dian)(dian)網(wang)運(yun)營(ying)質量提(ti)升(sheng)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)硬件基(ji)礎[1]。智能(neng)(neng)(neng)變(bian)電(dian)(dian)(dian)(dian)站(zhan)(zhan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)二(er)(er)次系(xi)統(tong)是變(bian)電(dian)(dian)(dian)(dian)站(zhan)(zhan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)重(zhong)要(yao)(yao)(yao)組成部分(fen),一(yi)方面(mian)監(jian)測、控制并保(bao)護一(yi)次設(she)(she)(she)備(bei)(bei),另一(yi)方面(mian)擔負著(zhu)(zhu)自動(dong)運(yun)行(xing)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)關(guan)鍵(jian)作用(yong)(yong)。隨著(zhu)(zhu)大量智能(neng)(neng)(neng)二(er)(er)次系(xi)統(tong)設(she)(she)(she)備(bei)(bei)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)投(tou)入應用(yong)(yong),信息的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)多樣性和(he)傳輸速度遠超以(yi)(yi)往(wang),光通(tong)信成為主要(yao)(yao)(yao)信息傳輸模(mo)式(shi)(shi)[2]。為了(le)(le)(le)應對變(bian)革(ge),適應變(bian)電(dian)(dian)(dian)(dian)站(zhan)(zhan)一(yi)次、二(er)(er)次設(she)(she)(she)備(bei)(bei)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)功(gong)(gong)(gong)能(neng)(neng)(neng)提(ti)升(sheng)和(he)接(jie)口變(bian)化(hua),需(xu)要(yao)(yao)(yao)對變(bian)電(dian)(dian)(dian)(dian)站(zhan)(zhan)二(er)(er)次系(xi)統(tong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)物理(li)回路(lu)建立模(mo)型,以(yi)(yi)作為后續(xu)研(yan)究以(yi)(yi)及(ji)故(gu)障診(zhen)斷的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)基(ji)礎。

1 智能變電站二(er)次系統物理回(hui)路(lu)模(mo)型設(she)計

1.1 虛端子(zi)二次(ci)回路設計方法

在(zai)智能(neng)(neng)變(bian)(bian)電(dian)(dian)站中,傳(chuan)(chuan)統的(de)終(zhong)端(duan)(duan)(duan)已經消失,交流(liu)采樣保(bao)(bao)護(hu)、跳(tiao)變(bian)(bian)開(kai)(kai)關(guan)通過開(kai)(kai)關(guan)輸出、數字信(xin)(xin)息傳(chuan)(chuan)輸,但二次(ci)回路(lu)的(de)連接原(yuan)理沒有改(gai)變(bian)(bian),傳(chuan)(chuan)統的(de)終(zhong)端(duan)(duan)(duan)和保(bao)(bao)護(hu)整定(ding)與傳(chuan)(chuan)統變(bian)(bian)電(dian)(dian)站的(de)通信(xin)(xin)仍然可以實現信(xin)(xin)息查詢(xun)和功(gong)能(neng)(neng)控制操作,信(xin)(xin)號(hao)(hao)流(liu)程與控制體系仍舊保(bao)(bao)持固有的(de)邏輯關(guan)系。保(bao)(bao)護(hu)裝置依然可以通過模擬輸入(ru)端(duan)(duan)(duan)輸入(ru)保(bao)(bao)護(hu)命令;開(kai)(kai)關(guan)輸出端(duan)(duan)(duan)對(dui)應通信(xin)(xin)輸出信(xin)(xin)號(hao)(hao)。在(zai)智能(neng)(neng)變(bian)(bian)電(dian)(dian)站中,保(bao)(bao)護(hu)裝置的(de)設定(ding)點(dian)信(xin)(xin)號(hao)(hao)和通信(xin)(xin)信(xin)(xin)號(hao)(hao)被形象地稱為(wei)虛(xu)(xu)擬終(zhong)端(duan)(duan)(duan)。虛(xu)(xu)擬終(zhong)端(duan)(duan)(duan)的(de)功(gong)能(neng)(neng)定(ding)義為(wei)“分(fen)相(xiang)位置”。由于(yu)每個虛(xu)(xu)擬終(zhong)端(duan)(duan)(duan)數據(ju)屬性(xing)具有**性(xing),通過信(xin)(xin)號(hao)(hao)編碼予以區分(fen),虛(xu)(xu)擬終(zhong)端(duan)(duan)(duan)的(de)數據(ju)屬性(xing)也可以作為(wei)內部參考地址。

基(ji)于虛(xu)擬(ni)終(zhong)端的(de)(de)(de)智能變(bian)電(dian)(dian)站(zhan)(zhan)二(er)(er)(er)次(ci)(ci)回路設(she)(she)(she)計的(de)(de)(de)詳(xiang)細流(liu)(liu)程(cheng)如下。(1)繪(hui)(hui)制各(ge)(ge)變(bian)電(dian)(dian)站(zhan)(zhan)之(zhi)間通信(xin)及設(she)(she)(she)定值的(de)(de)(de)數(shu)(shu)據(ju)(ju)(ju)流(liu)(liu)程(cheng)圖。通信(xin)數(shu)(shu)據(ju)(ju)(ju)流(liu)(liu)圖可(ke)以反(fan)映開關(guan)(guan)位置(zhi)、開關(guan)(guan)位置(zhi)等信(xin)號的(de)(de)(de)數(shu)(shu)據(ju)(ju)(ju)流(liu)(liu)。設(she)(she)(she)定值數(shu)(shu)據(ju)(ju)(ju)流(liu)(liu)圖反(fan)映了設(she)(she)(she)備(bei)(bei)實時運行狀態(tai)下電(dian)(dian)壓電(dian)(dian)流(liu)(liu)采樣數(shu)(shu)據(ju)(ju)(ju)的(de)(de)(de)流(liu)(liu)動情(qing)況。(2)繪(hui)(hui)制二(er)(er)(er)次(ci)(ci)系統各(ge)(ge)設(she)(she)(she)備(bei)(bei)之(zhi)間的(de)(de)(de)物理連(lian)接(jie)圖。它可(ke)以表(biao)(biao)示智能變(bian)電(dian)(dian)站(zhan)(zhan)二(er)(er)(er)次(ci)(ci)系統中(zhong)各(ge)(ge)設(she)(she)(she)備(bei)(bei)光(guang)口之(zhi)間的(de)(de)(de)光(guang)纖(xian)連(lian)接(jie)狀態(tai)。(3)繪(hui)(hui)制智能變(bian)電(dian)(dian)站(zhan)(zhan)全站(zhan)(zhan)的(de)(de)(de)虛(xu)擬(ni)終(zhong)端連(lian)接(jie)表(biao)(biao)。根(gen)據(ju)(ju)(ju)二(er)(er)(er)次(ci)(ci)設(she)(she)(she)備(bei)(bei)廠家(jia)提供的(de)(de)(de)設(she)(she)(she)備(bei)(bei)虛(xu)擬(ni)終(zhong)端定義文(wen)件(jian),根(gen)據(ju)(ju)(ju)前(qian)兩步設(she)(she)(she)計的(de)(de)(de)設(she)(she)(she)備(bei)(bei)之(zhi)間的(de)(de)(de)通信(xin)、設(she)(she)(she)定值數(shu)(shu)據(ju)(ju)(ju)流(liu)(liu)程(cheng)圖和物理連(lian)接(jie)圖,繪(hui)(hui)制全站(zhan)(zhan)虛(xu)擬(ni)終(zhong)端連(lian)接(jie)表(biao)(biao),并(bing)向(xiang)變(bian)電(dian)(dian)站(zhan)(zhan)二(er)(er)(er)次(ci)(ci)系統集成廠家(jia)提供全站(zhan)(zhan)虛(xu)擬(ni)終(zhong)端連(lian)接(jie)表(biao)(biao)[3]。將廠商(shang)生成的(de)(de)(de)虛(xu)擬(ni)終(zhong)端配置(zhi)文(wen)件(jian)下載到廠商(shang)設(she)(she)(she)備(bei)(bei)上(shang)。(4)完成了全站(zhan)(zhan)二(er)(er)(er)次(ci)(ci)虛(xu)擬(ni)回路系統的(de)(de)(de)設(she)(she)(she)計。

1.2 二次系統物理回路的實(shi)現

本文(wen)的(de)(de)智能(neng)變(bian)電(dian)(dian)站過程(cheng)層網(wang)絡(luo)(luo)的(de)(de)設(she)(she)計采(cai)用保(bao)護(hu)直(zhi)(zhi)采(cai)直(zhi)(zhi)跳,通訊信(xin)號、設(she)(she)定值信(xin)號共網(wang)傳輸的(de)(de)方案。其電(dian)(dian)壓(ya)電(dian)(dian)流采(cai)樣的(de)(de)設(she)(she)定值數(shu)據(ju)(ju)流向的(de)(de)詳細示意圖可見圖1。變(bian)電(dian)(dian)所一(yi)次(ci)(ci)設(she)(she)備(bei)(bei)在(zai)改造常規變(bian)壓(ya)器(qi)后(hou),將電(dian)(dian)壓(ya)送入(ru)合并(bing)(bing)單(dan)元(yuan),通過壓(ya)感效應實現隔離電(dian)(dian)壓(ya)感知,以(yi)(yi)固定周期對感知到的(de)(de)電(dian)(dian)壓(ya)進行(xing)數(shu)據(ju)(ju)采(cai)樣,實現一(yi)次(ci)(ci)設(she)(she)備(bei)(bei)中模擬電(dian)(dian)壓(ya)值到二次(ci)(ci)設(she)(she)備(bei)(bei)中數(shu)字電(dian)(dian)壓(ya)值的(de)(de)模數(shu)轉換(huan)。為(wei)降(jiang)低電(dian)(dian)壓(ya)波動引入(ru)的(de)(de)電(dian)(dian)磁干擾(rao),信(xin)號傳輸采(cai)用光通信(xin)方式(shi)。直(zhi)(zhi)接從(cong)合并(bing)(bing)單(dan)元(yuan)采(cai)集到的(de)(de)電(dian)(dian)流、電(dian)(dian)壓(ya)信(xin)息以(yi)(yi)及線路(lu)網(wang)絡(luo)(luo)的(de)(de)采(cai)樣信(xin)息通過合并(bing)(bing)單(dan)元(yuan)層交換(huan)后(hou)上傳采(cai)樣數(shu)據(ju)(ju)進行(xing)處理。測(ce)控裝置直(zhi)(zhi)接從(cong)網(wang)絡(luo)(luo)下載所需(xu)的(de)(de)設(she)(she)定值數(shu)據(ju)(ju)。線路(lu)間隔的(de)(de)通訊數(shu)據(ju)(ju)流向的(de)(de)詳細協議(yi)見表1。

根據表1的(de)接(jie)口協議,建立二(er)次系(xi)統物理回路的(de)接(jie)口關(guan)系(xi)定(ding)義(yi),明確(que)通訊(xun)的(de)傳輸內(nei)容和信號方(fang)向(xiang),將(jiang)二(er)次系(xi)統的(de)各(ge)個分機有機融合在一起,組成功能體。

分析智能(neng)變(bian)電(dian)(dian)站(zhan)(zhan)的設(she)(she)(she)計要求與建設(she)(she)(she)特(te)點(dian),將變(bian)電(dian)(dian)站(zhan)(zhan)虛(xu)(xu)擬(ni)(ni)(ni)(ni)(ni)終(zhong)(zhong)(zhong)端(duan)(duan)連接(jie)表(biao)作為一次(ci)、二(er)次(ci)系(xi)統(tong)的信號(hao)轉換中(zhong)間平臺(tai),設(she)(she)(she)計變(bian)電(dian)(dian)站(zhan)(zhan)的二(er)次(ci)虛(xu)(xu)擬(ni)(ni)(ni)(ni)(ni)電(dian)(dian)路(lu)。設(she)(she)(she)定值(zhi)與通(tong)信虛(xu)(xu)擬(ni)(ni)(ni)(ni)(ni)終(zhong)(zhong)(zhong)端(duan)(duan)連接(jie)表(biao)清晰(xi)地(di)表(biao)達了模擬(ni)(ni)(ni)(ni)(ni)設(she)(she)(she)定值(zhi)輸入、開關值(zhi)通(tong)信開放度(du)和二(er)次(ci)回路(lu)開關值(zhi)通(tong)信開放度(du)之間的數(shu)據(ju)(ju)流關系(xi),反映了智能(neng)變(bian)電(dian)(dian)站(zhan)(zhan)二(er)次(ci)系(xi)統(tong)設(she)(she)(she)備之間的連接(jie)關系(xi)[4]。虛(xu)(xu)擬(ni)(ni)(ni)(ni)(ni)終(zhong)(zhong)(zhong)端(duan)(duan)表(biao)包含設(she)(she)(she)備名(ming)稱、虛(xu)(xu)擬(ni)(ni)(ni)(ni)(ni)終(zhong)(zhong)(zhong)端(duan)(duan)號(hao)碼(ma)、虛(xu)(xu)擬(ni)(ni)(ni)(ni)(ni)終(zhong)(zhong)(zhong)端(duan)(duan)數(shu)據(ju)(ju)屬(shu)性和虛(xu)(xu)擬(ni)(ni)(ni)(ni)(ni)終(zhong)(zhong)(zhong)端(duan)(duan)定義(yi)。對端(duan)(duan)設(she)(she)(she)備名(ming)稱、對端(duan)(duan)虛(xu)(xu)擬(ni)(ni)(ni)(ni)(ni)終(zhong)(zhong)(zhong)端(duan)(duan)號(hao)碼(ma)、對端(duan)(duan)虛(xu)(xu)擬(ni)(ni)(ni)(ni)(ni)終(zhong)(zhong)(zhong)端(duan)(duan)數(shu)據(ju)(ju)屬(shu)性和對端(duan)(duan)虛(xu)(xu)擬(ni)(ni)(ni)(ni)(ni)終(zhong)(zhong)(zhong)端(duan)(duan)定義(yi)。所設(she)(she)(she)計的線(xian)路(lu)保護虛(xu)(xu)擬(ni)(ni)(ni)(ni)(ni)終(zhong)(zhong)(zhong)端(duan)(duan)表(biao)如(ru)表(biao)2所示。

科學(xue)引(yin)(yin)文(wen)(wen)數(shu)(shu)(shu)據(ju)(ju)庫文(wen)(wen)件(jian)(jian)應(ying)反映保(bao)護、測控(kong)設(she)(she)(she)備與組合(he)單元(yuan)交流通(tong)道的(de)(de)(de)(de)(de)對(dui)應(ying)關(guan)系。在(zai)科學(xue)引(yin)(yin)文(wen)(wen)數(shu)(shu)(shu)據(ju)(ju)庫配(pei)置(zhi)(zhi)中,為(wei)每個(ge)合(he)并(bing)(bing)單元(yuan)填寫(xie)一個(ge)集(ji)合(he)值(zhi)(zhi)地址。在(zai)云智(zhi)(zhi)慧(hui)合(he)并(bing)(bing)單元(yuan)中將視頻格式(shi)控(kong)制塊(kuai)中的(de)(de)(de)(de)(de)“標記”作為(wei)填寫(xie)設(she)(she)(she)置(zhi)(zhi)值(zhi)(zhi)的(de)(de)(de)(de)(de)ID列(lie)。選(xuan)擇(ze)要(yao)連(lian)接配(pei)置(zhi)(zhi)設(she)(she)(she)置(zhi)(zhi)的(de)(de)(de)(de)(de)云智(zhi)(zhi)能,并(bing)(bing)在(zai)標簽“2”中選(xuan)擇(ze)“數(shu)(shu)(shu)據(ju)(ju)組合(he)”。設(she)(she)(she)定值(zhi)(zhi)連(lian)線方式(shi)與通(tong)信(xin)連(lian)接方式(shi)一致。選(xuan)擇(ze)要(yao)與設(she)(she)(she)定值(zhi)(zhi)連(lian)接的(de)(de)(de)(de)(de)設(she)(she)(she)備和對(dui)應(ying)的(de)(de)(de)(de)(de)組合(he)單元(yuan),根據(ju)(ju)通(tong)道對(dui)應(ying)關(guan)系選(xuan)擇(ze)設(she)(she)(she)定值(zhi)(zhi),點擊“添(tian)加”完成連(lian)接。在(zai)系統集(ji)成科學(xue)引(yin)(yin)文(wen)(wen)數(shu)(shu)(shu)據(ju)(ju)庫配(pei)置(zhi)(zhi)中,設(she)(she)(she)備通(tong)信(xin)、集(ji)數(shu)(shu)(shu)據(ju)(ju)導入導出為(wei)關(guan)系表時,往(wang)往(wang)會從相關(guan)廠商的(de)(de)(de)(de)(de)描(miao)述(shu)文(wen)(wen)件(jian)(jian)發生(sheng)變化(hua),為(wei)了保(bao)證科學(xue)引(yin)(yin)文(wen)(wen)數(shu)(shu)(shu)據(ju)(ju)庫的(de)(de)(de)(de)(de)完整性(xing),必須更新(xin)相應(ying)的(de)(de)(de)(de)(de)自描(miao)述(shu)信(xin)息文(wen)(wen)件(jian)(jian),更新(xin)描(miao)述(shu)文(wen)(wen)件(jian)(jian),原始(shi)通(tong)信(xin),打開附件(jian)(jian)設(she)(she)(she)置(zhi)(zhi)值(zhi)(zhi)將刷新(xin),必須重新(xin)關(guan)聯[5]。

如果新自描述(shu)信息文件中更新的(de)部分(fen)與通信和設定點(dian)連接(jie)無(wu)(wu)關(guan),則(ze)無(wu)(wu)需重新配置即(ji)(ji)可導入原(yuan)有(you)的(de)通信和設定點(dian)關(guan)系表。當自描述(shu)信息文件更新完畢后(hou),可以把原(yuan)先(xian)導出的(de)通訊、設定值(zhi)開入關(guan)系表導入[6]。即(ji)(ji)可完成該(gai)裝置的(de)通訊、設定值(zhi)連線配置。

 基于此,完成了變電站智能(neng)化二次(ci)系統的(de)物理回路(lu)模型設計。

2 實驗

2.1 實驗準備(bei)

為(wei)了檢查二次系(xi)(xi)統物理回路模型的(de)(de)實(shi)用(yong)效能(neng)(neng),選擇其中的(de)(de)繼電(dian)(dian)保護(hu)系(xi)(xi)統的(de)(de)零點漂移、電(dian)(dian)流、電(dian)(dian)壓輸(shu)入(ru)的(de)(de)幅值和相(xiang)位精(jing)度幾(ji)項核(he)心指(zhi)標,開展(zhan)同步性(xing)能(neng)(neng)測(ce)(ce)(ce)(ce)試(shi)(shi)(shi),以驗(yan)(yan)證是(shi)否(fou)滿足(zu)技術規(gui)程要(yao)求。選取(qu)某智能(neng)(neng)變電(dian)(dian)站為(wei)試(shi)(shi)(shi)驗(yan)(yan)地,使用(yong)不(bu)同物理回路進行交流量(liang)精(jing)度對(dui)(dui)比(bi)實(shi)驗(yan)(yan)。準備(bei)測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)裝置,測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)儀器(qi)(qi)主要(yao)有數(shu)(shu)字(zi)(zi)式繼電(dian)(dian)保護(hu)測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)儀、電(dian)(dian)子式互感器(qi)(qi)模擬儀、智能(neng)(neng)終端、常規(gui)繼電(dian)(dian)保護(hu)測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)儀,經(jing)檢驗(yan)(yan)以上幾(ji)種測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)儀器(qi)(qi)確(que)認在檢定(ding)周(zhou)期內,測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)精(jing)度符(fu)合(he)要(yao)求,結(jie)果可信(xin)(xin)[7]。繼電(dian)(dian)保護(hu)測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)儀選取(qu)武漢凱默公司生產的(de)(de)光數(shu)(shu)字(zi)(zi)繼電(dian)(dian)保護(hu)綜(zong)合(he)測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)儀,實(shi)現基(ji)于云智慧設備(bei)的(de)(de)設定(ding)值采(cai)樣、通訊開關量(liang)輸(shu)入(ru)/輸(shu)出自動測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)配置。采(cai)用(yong)數(shu)(shu)字(zi)(zi)繼電(dian)(dian)保護(hu)測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)儀檢驗(yan)(yan)繼電(dian)(dian)保護(hu)設備(bei)的(de)(de)保護(hu)功能(neng)(neng)與(yu)性(xing)能(neng)(neng)指(zhi)標,被保護(hu)設備(bei)和數(shu)(shu)字(zi)(zi)繼電(dian)(dian)保護(hu)測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)儀之間采(cai)用(yong)光纖(xian)點對(dui)(dui)點連接,信(xin)(xin)號(hao)經(jing)過模數(shu)(shu)轉化后以高(gao)速(su)串行方式傳(chuan)輸(shu),通過光纖(xian)傳(chuan)送(song)采(cai)樣值和跳合(he)閘信(xin)(xin)號(hao)。

首先對(dui)綜合(he)測試儀(yi)進(jin)行實(shi)(shi)驗(yan)前設(she)(she)置(zhi)(zhi)。在軟件主界面(mian)右下(xia)角點擊“設(she)(she)置(zhi)(zhi)”進(jin)入設(she)(she)置(zhi)(zhi)界面(mian)。在做實(shi)(shi)驗(yan)前,要導入全站(zhan)配置(zhi)(zhi)科學引文(wen)數據庫文(wen)件。點擊所關聯的連線(xian),能夠(gou)詳細的看到(dao)詳細的虛端子通(tong)(tong)道連線(xian)。在設(she)(she)置(zhi)(zhi)界面(mian),對(dui)接口編號、通(tong)(tong)訊(xun)速率、輸出設(she)(she)定值、通(tong)(tong)訊(xun)發(fa)送、通(tong)(tong)訊(xun)接收等運行參(can)數進(jin)行設(she)(she)置(zhi)(zhi)。

2.2 實驗(yan)結論

測試標準必須符(fu)合(he)《繼電(dian)保護(hu)和電(dian)網安全自動裝置檢驗(yan)規程(cheng)》的(de)相(xiang)關要求。各物理回路零點漂移檢查結果如(ru)表3所示:

 由表(biao)3可知,無論是本文(wen)的(de)(de)(de)物理(li)回路模型(xing)(xing)還(huan)是傳統的(de)(de)(de)回路模型(xing)(xing)的(de)(de)(de)數字量輸入(ru)的(de)(de)(de)保(bao)護裝(zhuang)置零點漂移(yi)為零,模擬(ni)量輸入(ru)的(de)(de)(de)保(bao)護裝(zhuang)置零點漂移(yi)小(xiao)于額定值的(de)(de)(de)1％,都符合(he)檢(jian)驗(yan)規章的(de)(de)(de)要求。但是本文(wen)設計的(de)(de)(de)物理(li)回路模型(xing)(xing)與額定值的(de)(de)(de)差別更小(xiao),可以證實本文(wen)的(de)(de)(de)物理(li)回路模型(xing)(xing)的(de)(de)(de)精(jing)準度。

3 結論

二(er)(er)次(ci)(ci)系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)作為(wei)智能(neng)(neng)(neng)(neng)變(bian)(bian)電(dian)站(zhan)(zhan)的(de)(de)(de)(de)(de)運(yun)(yun)行保障功(gong)能(neng)(neng)(neng)(neng)組成(cheng),是變(bian)(bian)電(dian)站(zhan)(zhan)配送(song)電(dian)主體功(gong)能(neng)(neng)(neng)(neng)安(an)全、性能(neng)(neng)(neng)(neng)與(yu)效率得(de)以(yi)實現的(de)(de)(de)(de)(de)物理(li)基礎,尤其是在(zai)智能(neng)(neng)(neng)(neng)化(hua)水平不斷提升的(de)(de)(de)(de)(de)現代變(bian)(bian)電(dian)站(zhan)(zhan)建設(she)中,作用更顯重要。科學合(he)理(li)的(de)(de)(de)(de)(de)使用二(er)(er)次(ci)(ci)系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)的(de)(de)(de)(de)(de)各項功(gong)能(neng)(neng)(neng)(neng),是**發揮并深度挖掘一次(ci)(ci)系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)功(gong)能(neng)(neng)(neng)(neng)與(yu)潛(qian)力的(de)(de)(de)(de)(de)主要手段。通過建立二(er)(er)次(ci)(ci)系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)物理(li)回路(lu)(lu)模型(xing),可(ke)以(yi)建立二(er)(er)次(ci)(ci)系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)中各組成(cheng)單元(yuan)的(de)(de)(de)(de)(de)內(nei)在(zai)關聯邏輯關系(xi)(xi)(xi)(xi)(xi)拓(tuo)撲結構,便于智能(neng)(neng)(neng)(neng)變(bian)(bian)電(dian)站(zhan)(zhan)運(yun)(yun)行維護、故障診(zhen)斷以(yi)及升級改造。二(er)(er)次(ci)(ci)系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)物理(li)回路(lu)(lu)模型(xing)是電(dian)網(wang)數字化(hua)建設(she)的(de)(de)(de)(de)(de)重要組成(cheng)部分(fen),是今后的(de)(de)(de)(de)(de)建設(she)方向。通過對二(er)(er)次(ci)(ci)系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)物理(li)回路(lu)(lu)模型(xing)的(de)(de)(de)(de)(de)設(she)計,為(wei)智能(neng)(neng)(neng)(neng)變(bian)(bian)電(dian)站(zhan)(zhan)全系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)的(de)(de)(de)(de)(de)模型(xing)設(she)計積累經(jing)驗。后續(xu)還將(jiang)深入挖掘模型(xing)的(de)(de)(de)(de)(de)細節功(gong)能(neng)(neng)(neng)(neng),完善各組成(cheng)功(gong)能(neng)(neng)(neng)(neng)分(fen)機(ji)、模塊(kuai)的(de)(de)(de)(de)(de)詳細指(zhi)標(biao)(biao)和運(yun)(yun)行參考(kao)值(zhi),建立完備的(de)(de)(de)(de)(de)指(zhi)標(biao)(biao)體系(xi)(xi)(xi)(xi)(xi)模型(xing),為(wei)電(dian)網(wang)建設(she)提供支持與(yu)參考(kao)。