目(mu)前變電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)站(zhan)的(de)(de)直(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)饋電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)網絡多采用(yong)樹狀結(jie)構，從蓄(xu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池到站(zhan)內用(yong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)設(she)備(bei)，一(yi)(yi)般(ban)經(jing)(jing)過三級(ji)(ji)(ji) 配電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)，每級(ji)(ji)(ji)配電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)大多采用(yong)直(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)斷(duan)路(lu)(lu)器(qi)作(zuo)(zuo)(zuo)為保(bao)護(hu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)器(qi)。由于上下(xia)級(ji)(ji)(ji)直(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)斷(duan)路(lu)(lu)器(qi)保(bao)護(hu)動(dong)作(zuo)(zuo)(zuo)特(te)(te)性(xing)(xing)(xing)不匹配，在直(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)系(xi)統運行(xing)(xing)過程中(zhong)(zhong)，當下(xia)級(ji)(ji)(ji)用(yong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)設(she)備(bei)出(chu)現短路(lu)(lu)故(gu)障時，經(jing)(jing)常引(yin) 起(qi)上一(yi)(yi)級(ji)(ji)(ji)直(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)斷(duan)路(lu)(lu)器(qi)的(de)(de)越級(ji)(ji)(ji)跳閘，從而(er)引(yin)起(qi)其(qi)它饋電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)線路(lu)(lu)的(de)(de)斷(duan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)事故(gu)，進(jin)(jin)而(er)引(yin)起(qi)變電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)站(zhan)一(yi)(yi)次設(she)備(bei)如高壓開關、變壓器(qi)、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容器(qi)等的(de)(de)事故(gu)。為防(fang)止(zhi)(zhi)因直(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)斷(duan)路(lu)(lu)器(qi)及其(qi)它 直(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)保(bao)護(hu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)器(qi)動(dong)作(zuo)(zuo)(zuo)特(te)(te)性(xing)(xing)(xing)不匹配帶來的(de)(de)隱(yin)患，國家電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)網公(gong)司對(dui)于新裝和運行(xing)(xing)中(zhong)(zhong)的(de)(de)直(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)保(bao)護(hu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)器(qi)，規(gui)(gui)(gui)定(ding)了必(bi)須進(jin)(jin)行(xing)(xing)安(an)(an)秒(miao)特(te)(te)性(xing)(xing)(xing)測試，保(bao)證性(xing)(xing)(xing)能(neng)與設(she)計(ji)相符(fu)，以(yi)確保(bao)直(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)回路(lu)(lu) 級(ji)(ji)(ji)差配合的(de)(de)正確性(xing)(xing)(xing)。2005 年(nian)發布的(de)(de)《直(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源系(xi)統運行(xing)(xing)規(gui)(gui)(gui)范》第(di)十二條第(di)八款(kuan)規(gui)(gui)(gui)定(ding)“直(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)熔(rong)斷(duan)器(qi)和空氣(qi)斷(duan)路(lu)(lu)器(qi)應(ying)采用(yong)質量(liang)合格的(de)(de)產品(pin)，其(qi)熔(rong)斷(duan)體或定(ding)值應(ying)按有關規(gui)(gui)(gui)定(ding)分級(ji)(ji)(ji)配置和整定(ding)，并(bing)定(ding)期 進(jin)(jin)行(xing)(xing)核對(dui)，防(fang)止(zhi)(zhi)因其(qi)不正確動(dong)作(zuo)(zuo)(zuo)而(er)擴(kuo)大事故(gu)”；《直(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源系(xi)統技(ji)術監督規(gui)(gui)(gui)定(ding)》第(di)二十七(qi)條中(zhong)(zhong)規(gui)(gui)(gui)定(ding)：“…自(zi)動(dong)空氣(qi)斷(duan)路(lu)(lu)器(qi)使用(yong)前應(ying)進(jin)(jin)行(xing)(xing)特(te)(te)性(xing)(xing)(xing)和動(dong)作(zuo)(zuo)(zuo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)抽(chou)(chou)查。…”； 《預防(fang)直(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源系(xi)統事故(gu)措(cuo)施》第(di)十一(yi)(yi)條中(zhong)(zhong)規(gui)(gui)(gui)定(ding)：“…使用(yong)前宜(yi)進(jin)(jin)行(xing)(xing)安(an)(an)秒(miao)特(te)(te)性(xing)(xing)(xing)和動(dong)作(zuo)(zuo)(zuo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)抽(chou)(chou)檢…”。

　　直流(liu)保(bao)(bao)護(hu)(hu)電(dian)器的(de)安(an)(an)秒特(te)(te)性(xing)(xing)一般在實驗(yan)室或(huo)檢(jian)(jian)測站進行測試(shi)，設備(bei)占地(di)面積大，需 要配置專門的(de)充電(dian)裝置和大電(dian)流(liu)負載箱，操作復雜；部分運(yun)行單位利用變電(dian)站蓄電(dian)池組對直流(liu)保(bao)(bao)護(hu)(hu)電(dian)器的(de)級(ji)差配合進行試(shi)驗(yan)，但HDGC3990 直流(liu)斷路器安(an)(an)秒特(te)(te)性(xing)(xing)測試(shi)系統無(wu)法準(zhun)確測試(shi)其電(dian)流(liu)-動作時(shi)間特(te)(te)性(xing)(xing)。因(yin)而造成直流(liu)系統投運(yun)后(hou)，現場檢(jian)(jian)修維護(hu)(hu)人員因(yin)不具備(bei)相應的(de)測試(shi)手段和工具，無(wu)法檢(jian)(jian)驗(yan)直流(liu)保(bao)(bao) 護(hu)(hu)電(dian)器的(de)安(an)(an)秒特(te)(te)性(xing)(xing)是(shi)否(fou)滿足要求。

　　根據(ju)直(zhi)(zhi)流(liu)保護(hu)(hu)電(dian)(dian)器(qi)(qi)安秒(miao)特性(xing)(xing)測試(shi)(shi)的現實狀況，本(ben)公司推出了一種適合變電(dian)(dian)站現場使用(yong)、 便于攜帶(dai)、自動(dong)化(hua)程度(du)高的直(zhi)(zhi)流(liu)斷(duan)(duan)路器(qi)(qi)安秒(miao)特性(xing)(xing)測試(shi)(shi)系(xi)統(tong)，可以(yi)為運行維護(hu)(hu)部門提(ti)(ti)供直(zhi)(zhi)流(liu)保護(hu)(hu)電(dian)(dian)器(qi)(qi)動(dong)作(zuo)特性(xing)(xing)的測試(shi)(shi)手段，對直(zhi)(zhi)流(liu)保護(hu)(hu)電(dian)(dian)器(qi)(qi)的動(dong)作(zuo)特性(xing)(xing)以(yi)及(ji)級(ji)差(cha)配合進 行校驗，以(yi)便提(ti)(ti)高直(zhi)(zhi)流(liu)系(xi)統(tong)運行的可靠(kao)性(xing)(xing)，保證電(dian)(dian)網的安全可靠(kao)運行。本(ben)測試(shi)(shi)系(xi)統(tong)適用(yong)于額定電(dian)(dian)流(liu) 1A～500A 直(zhi)(zhi)流(liu)斷(duan)(duan)路器(qi)(qi)的安秒(miao)特性(xing)(xing)測試(shi)(shi)，并可用(yong)于 6A～100A 直(zhi)(zhi)流(liu)熔斷(duan)(duan)器(qi)(qi)的安秒(miao)特性(xing)(xing)測試(shi)(shi)。

• 直流系統(tong)綜合(he)測試儀(yi)
• 直流紋波系(xi)數測試儀
• 直(zhi)流系統綜(zong)合監測儀
• 直流斷路器安秒特性測試系統

　　1、儀器既可(ke)以(yi)單獨使(shi)用，也可(ke)以(yi)與(yu) PC 機(ji)(ji)聯機(ji)(ji)使(shi)用

　　2、320×240 液晶(jing)顯示器、高(gao)速熱敏打印機，人(ren)機對話全(quan)(quan)鍵盤操作方式(shi)，智能化工作全(quan)(quan)過程

　　3、采用(yong)電力電子控制技術產生大電流輸(shu)出，輸(shu)出電流響應速度快(kuai)、精度高、連(lian)續可調

　　4、多(duo)個高精度傳感(gan)器自動切換電流量程和高性能(neng) 14 位 AD 采集芯片

　　5、具有掉電存(cun)(cun)儲功能，可以存(cun)(cun) 200 組試驗數據

　　6、自(zi)動保存設(she)置(zhi)數據，掉電后開機(ji)后顯(xian)示上一次的設(she)置(zhi)數據

　　7、任選安秒動(dong)作試驗(yan)方(fang)式(shi)和通流不動(dong)作試驗(yan)方(fang)式(shi)

　　8、聯(lian)機使用方(fang)式時，可(ke)以操(cao)作控制儀器(qi)、導(dao)入試(shi)(shi)驗(yan)數據(ju)、存儲(chu)試(shi)(shi)驗(yan)數據(ju)、生(sheng)(sheng)成(cheng)數據(ju)報表、生(sheng)(sheng)成(cheng)數據(ju)曲線、生(sheng)(sheng)成(cheng) EXCEL 報表等。

　　9、儀器(qi)帶(dai)有(you)過(guo)(guo)熱、過(guo)(guo)流、過(guo)(guo)壓(ya)保護保護功能(neng)

　　10、儀器(qi)抗干擾能(neng)(neng)力強，電(dian)磁兼容性能(neng)(neng)強