目前變(bian)電(dian)(dian)(dian)(dian)(dian)站的(de)直(zhi)(zhi)流(liu)(liu)(liu)(liu)饋電(dian)(dian)(dian)(dian)(dian)網絡多采(cai)(cai)用(yong)樹(shu)狀結構，從蓄電(dian)(dian)(dian)(dian)(dian)池(chi)到(dao)站內(nei)用(yong)電(dian)(dian)(dian)(dian)(dian)設 備(bei)，一般經(jing)過三級(ji)配(pei)電(dian)(dian)(dian)(dian)(dian)，每級(ji)配(pei)電(dian)(dian)(dian)(dian)(dian)大多采(cai)(cai)用(yong)直(zhi)(zhi)流(liu)(liu)(liu)(liu)斷(duan)路(lu)(lu)(lu)(lu)器(qi)(qi)(qi)作(zuo)(zuo)為保(bao)(bao)護電(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)。由于上下級(ji)直(zhi)(zhi)流(liu)(liu)(liu)(liu)斷(duan)路(lu)(lu)(lu)(lu)器(qi)(qi)(qi)保(bao)(bao)護動(dong)作(zuo)(zuo)特(te)(te)性(xing)不(bu)匹配(pei)，在(zai)直(zhi)(zhi)流(liu)(liu)(liu)(liu)系統運行(xing)過程中，當下級(ji)用(yong) 電(dian)(dian)(dian)(dian)(dian)設備(bei)出(chu)現短路(lu)(lu)(lu)(lu)故(gu)障(zhang)時，經(jing)常引起(qi)(qi)上一級(ji)直(zhi)(zhi)流(liu)(liu)(liu)(liu)斷(duan)路(lu)(lu)(lu)(lu)器(qi)(qi)(qi)的(de)越級(ji)跳閘，從而(er)引起(qi)(qi)其它饋電(dian)(dian)(dian)(dian)(dian)線路(lu)(lu)(lu)(lu)的(de)斷(duan)電(dian)(dian)(dian)(dian)(dian)事故(gu)，進而(er)引起(qi)(qi)變(bian)電(dian)(dian)(dian)(dian)(dian)站一次設備(bei)如高壓(ya)開關、變(bian)壓(ya)器(qi)(qi)(qi)、 電(dian)(dian)(dian)(dian)(dian)容器(qi)(qi)(qi)等的(de)事故(gu)。為防止因直(zhi)(zhi)流(liu)(liu)(liu)(liu)斷(duan)路(lu)(lu)(lu)(lu)器(qi)(qi)(qi)及其它直(zhi)(zhi)流(liu)(liu)(liu)(liu)保(bao)(bao)護電(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)動(dong)作(zuo)(zuo)特(te)(te)性(xing)不(bu)匹配(pei)帶(dai)來的(de)隱患，國家電(dian)(dian)(dian)(dian)(dian)網公司對(dui)于新(xin)裝和運行(xing)中的(de)直(zhi)(zhi)流(liu)(liu)(liu)(liu)保(bao)(bao)護電(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)，規(gui)(gui)(gui)定(ding)(ding)了(le)必須 進行(xing)安秒(miao)特(te)(te)性(xing)測(ce)試，保(bao)(bao)證性(xing)能(neng)與設計相(xiang)符，以確保(bao)(bao)直(zhi)(zhi)流(liu)(liu)(liu)(liu)回路(lu)(lu)(lu)(lu)級(ji)差配(pei)合(he)的(de)正確 性(xing)。2005年發布的(de)《直(zhi)(zhi)流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)源(yuan)系統運行(xing)規(gui)(gui)(gui)范》第十二(er)條第八款規(gui)(gui)(gui)定(ding)(ding)“直(zhi)(zhi)流(liu)(liu)(liu)(liu)熔斷(duan)器(qi)(qi)(qi)和空(kong)氣斷(duan)路(lu)(lu)(lu)(lu)器(qi)(qi)(qi)應采(cai)(cai)用(yong)質(zhi)量合(he)格(ge)的(de)產品，其熔斷(duan)體(ti)或定(ding)(ding)值(zhi)應按有關規(gui)(gui)(gui)定(ding)(ding)分級(ji)配(pei)置和整定(ding)(ding)，并定(ding)(ding)期(qi)進行(xing)核對(dui)，防止因其不(bu)正確動(dong)作(zuo)(zuo)而(er)擴大事故(gu)” ；《直(zhi)(zhi)流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)源(yuan)系統技術監(jian)督規(gui)(gui)(gui)定(ding)(ding)》第二(er)十七條中規(gui)(gui)(gui)定(ding)(ding)： “自(zi)動(dong)空(kong)氣斷(duan)路(lu)(lu)(lu)(lu)器(qi)(qi)(qi)使(shi)用(yong)前 應進行(xing)特(te)(te)性(xing)和動(dong)作(zuo)(zuo)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)抽查。”《預防直(zhi)(zhi)流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)源(yuan)系統事故(gu)措施》第十一條中規(gui)(gui)(gui)定(ding)(ding)：“使(shi)用(yong)前宜進行(xing)安秒(miao)特(te)(te)性(xing)和動(dong)作(zuo)(zuo)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)抽檢”。

　　直(zhi)流(liu)(liu)(liu)保(bao)護(hu)電器(qi)的安秒(miao)特(te)性一(yi)般在(zai)國(guo)家級(ji)實驗(yan)室(shi)或檢測(ce)(ce)站(zhan)進行(xing)測(ce)(ce)試(shi)，設(she)備(bei) 占地面積大，需要(yao)配置專門(men)的充電裝置和大電流(liu)(liu)(liu)負(fu)載箱，操作(zuo)復雜；部分(fen)運行(xing)單位利(li)用變電站(zhan)蓄電池組(zu)對直(zhi)流(liu)(liu)(liu)保(bao)護(hu)電器(qi)的級(ji)差配合(he)進行(xing)試(shi)驗(yan)，但(dan)無(wu)法準 確測(ce)(ce)試(shi)其電流(liu)(liu)(liu)-動作(zuo)時(shi)間特(te)性。因(yin)而(er)造成直(zhi)流(liu)(liu)(liu)系統投運后，現場檢修維護(hu)人(ren)員因(yin)不具(ju)備(bei)相應的測(ce)(ce)試(shi)手段和工(gong)具(ju)，無(wu)法檢驗(yan)直(zhi)流(liu)(liu)(liu)保(bao)護(hu)電器(qi)的安秒(miao)特(te)性是(shi)否滿 足(zu)要(yao)求。

　　根據直(zhi)(zhi)流(liu)(liu)保(bao)(bao)護(hu)(hu)電(dian)器(qi)安(an)(an)秒(miao)特性測(ce)試(shi)(shi)的(de)(de)現實狀(zhuang)況，本公司(si)推(tui)出了一種適合(he)變電(dian)站現場使用、便(bian)(bian)于攜帶、自動(dong)化程度高的(de)(de)直(zhi)(zhi)流(liu)(liu)斷路器(qi)安(an)(an)秒(miao)特性測(ce)試(shi)(shi)及(ji)級差配合(he)綜合(he)系統(tong)，可(ke)以為運行(xing)(xing)維護(hu)(hu)部門提(ti)供直(zhi)(zhi)流(liu)(liu)保(bao)(bao)護(hu)(hu)電(dian)器(qi)動(dong)作特性的(de)(de)測(ce)試(shi)(shi)手(shou)段，對直(zhi)(zhi)流(liu)(liu)保(bao)(bao)護(hu)(hu)電(dian)器(qi)的(de)(de)動(dong)作特性以及(ji)級差配合(he)進行(xing)(xing)校驗(yan)，以便(bian)(bian)提(ti)高直(zhi)(zhi)流(liu)(liu)系統(tong)運行(xing)(xing)的(de)(de)可(ke)靠(kao)性，保(bao)(bao)證電(dian)網的(de)(de)安(an)(an)全(quan)可(ke)靠(kao)運行(xing)(xing)。

1.儀(yi)器既(ji)可(ke)以單獨(du)使用(yong)，也可(ke)以與(yu) PC 機聯機使用(yong)。

2. 儀(yi)器提(ti)供直(zhi)流(liu)(liu)大電(dian)流(liu)(liu)源(yuan)使用(yong)簡便，無需提(ti)供蓄電(dian)池等直(zhi)流(liu)(liu)電(dian)源(yuan)。

3. 320×240 液晶(jing)顯示器、高速熱(re)敏(min)打(da)印機，人(ren)機對話全鍵盤操(cao)作方(fang)式，智能化(hua)工作全過程。

4. 采用電(dian)力電(dian)子控制技(ji)術產(chan)生直流(liu)大電(dian)流(liu)輸(shu)出，輸(shu)出電(dian)流(liu)響應速(su)度(du)快、精度(du)高、連續可調。

5. 多個高精(jing)度傳(chuan)感(gan)器自動(dong)切換電流量程和高性(xing)能 14 位 AD 采集(ji)芯片。

6. 具有掉電(dian)存儲(chu)功(gong)能，可以(yi)存 1000 組試驗(yan)數(shu)據。

7. 自動保存(cun)設置數據(ju)，掉(diao)電后(hou)開機后(hou)顯示上一次(ci)的設置數據(ju)。

8. 具有安秒動(dong)作試(shi)驗(yan)(yan)(yan)方式、通流不動(dong)作試(shi)驗(yan)(yan)(yan)、脫(tuo)扣測(ce)(ce)試(shi)試(shi)驗(yan)(yan)(yan)、差級(ji)配合(he)試(shi)驗(yan)(yan)(yan)、內阻測(ce)(ce)試(shi)試(shi)驗(yan)(yan)(yan)五大試(shi)驗(yan)(yan)(yan)。完(wan)全(quan)兼(jian)容全(quan)點(dian)測(ce)(ce)試(shi)和抽(chou)點(dian)測(ce)(ce)試(shi)。

9. 儀(yi)器提供 RS232 通信接口(kou)，電腦完全可(ke)以控制儀(yi)器并導出(chu)試驗數據。

10. 聯機使(shi)用方式時，可(ke)以操作控制儀器、導入試(shi)驗數(shu)據(ju)(ju)、存儲試(shi)驗數(shu)據(ju)(ju)、生(sheng)成(cheng)數(shu)據(ju)(ju)報表、生(sheng)成(cheng)數(shu)據(ju)(ju)曲線、生(sheng)成(cheng) EXCEL 報表等。

11. 儀器帶有過熱、過流、過壓(ya)保護保護功能(neng)。

12. 儀器抗干(gan)擾能力強，電(dian)磁兼(jian)容性(xing)能強。