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企業動態

光伏直流斷路器技術參數及其參數間的關系 發布時間:2018-07-06 09:31:00來源:上海華坤電器有限公司

光伏直流斷路器與普通的斷路器是一樣的,對于不同的電流符號都有相關的技術術語,下面列舉直流斷路器的相關額定電流的相關含義:

光伏直流斷路器.jpg

HUAKUNGUANGFUZHILIUDUANLUQI

1.光伏直流斷路器額定電流Ie和額定持續電流Iu:

EDINGDIANLIUIeSHIDUANLUQIZHIZAOCHANGSHENGMINGDENENGZAIGUIDINGDETIAOJIANXIACHANGQIYUNXINGDEZUIDADIANLIUZHI,QIEDANGDUANLUQICHANGQILIUGUOEDINGDIANLIUSHIQIYUNXINGWENDUBUHUICHAOGUOGUIDINGJIXIAN。IEC60947-2(DENGTONGYUGB14048.2-2008)BIAOZHUNZHONGGUIDINGEDINGDIANLIUIeTONGCHANGDENGYUDUANLUQIDEEDINGCHIXUDIANLIU。

2.光伏直流斷路器額定極限短路分斷能力Icu:

9万彩票开户 EDINGJIXIANDUANLUFENDUANNENGLIIcuSHIZHIZAIGUIDINGDETIAOJIANXIA(DIANYA、DIANLIU、GONGLVYINSUDENG)DUANLUQIDEFENDUANNENGLI,BINGQIEFENDUANHOUBUKAOLVDUANLUQINENGFOUJIXUCHENGZAITADEEDINGDIANLIU。IcuZHEGECANSHUBIAOZHENGLEDUANLUQIDEJIXIANFENDUANNENGLI,TONGSHIDUIDUANLUQILAISHUOYESHIPOHUAIXINGSHIYAN。

3.光伏直流斷路器額定運行短路分斷能力Ics:

EDINGYUNXINGDUANLUFENDUANNENGLIIcsSHIZHIZAIGUIDINGDETIAOJIANXIA(DIANYA、DIANLIU、GONGLVYINSUDENG)DUANLUQIDEFENDUANNENGLI,BINGQIEFENDUANHOUDUANLUQIHUANNENGJIXUCHENGZAITADEEDINGDIANLIU。YOUCIKEJIAN,IcsZHEGECANSHUBIAOZHENGLEDUANLUQIDEZHONGFUFENDUANNENGLI。

4.光伏直流斷路器額定極限短路分斷能力Icu和額定運行短路分斷能力Ics之間的關系:

9万彩票开户 IcuBIAOZHENGLEDUANLUQIZAIBIHEZHUANGTAIXIANENGGOUFENDUANDEJIXIANDUANLUDIANLIUZHI,BINGQIEFENDUANHOUDUANLUQIYOUKENENGYIJINGSUNHUAI;IcsZEBIAOZHENGLEDUANLUQIZAIBIHEZHUANGTAIXIANENGGOUFENDUANDEDUANLUDIANLIUZHI,BINGQIEFENDUANHOUDUANLUQIRENGRANNENGZHENGCHANGGONGZUO。ZAISHIJISHIYONGDUANLUQISHI,ZUIZHONGYAODECANSHUSHIEDINGYUNXINGDUANLUFENDUANNENGLIIcs。

ZAIGB14048.2BIAOZHUNZHONGTIGONGDEJIXIANDUANLUDIANLIUZHISHIZHICHONGJIDUANLUDIANLIUDEJIAOLIUFENLIANGDEYOUXIAOZHI,YEJIUSHIZUIGAOYUQIDUANLUDIANLIU,BINGQIEQIZHONGBUBAOHANZHILIUZANTAIFENLIANG。

9万彩票开户 ZAIGB14048.2BIAOZHUNZHONG,GUIDINGIcsZHANIcuDEBIZHIXULIEWEI25%、50%、75%HE100%。YIBANDI,DUANLUQIDEIcsZHANIcuDEBIZHIWEI50%-70%。

IcsCHANGYONGYUSHANGXIAJIPEIHESHISHANGJIDUANLUQIDUIDUANLUDIANLIUDEHOUBEIBAOHU:RUOXIAJIDIANLUZHONGFASHENGDUANLUSHIQIEXIAJIDUANLUQICHUXIANGUZHANGWEITIAOZHA,ZESHANGJIDUANLUQIDEIcsNENGQUEBAOBENJIDUANLUQINENGGOUCHENGSHOUDUANLUDIANLIUDECHONGJIQIEJISHIDIQIDONGDUANLUHOUBEIBAOHUSHIXIANTIAOZHA。

5.光伏直流斷路器額定短時耐受電流Icw:

9万彩票开户 GB14048.3-2008BIAOZHUNZHONG:EDINGDUANSHINAISHOUDIANLIUSHIDIYAKAIGUANDIANQIDEZHIZAOCHANGGUIDINGDE,TASHIZHIZAIGUIDINGDETIAOJIANXIA,DIANQINENGGOUDUANSHICHENGSHOUERBUFASHENGRENHESUNHUAIDEDIANLIUZHI。

9万彩票开户 6.GUANGFUZHILIUDUANLUQIEDINGDUANLUJIETONGNENGLIIcm:

EDINGDUANLUJIETONGNENGLIIcmWEIDUANLUQIZAIEDINGDIANYAXIANENGJIANLIDEZUIGAODIANLIUSHUNSHIZHI。EDINGDUANLUJIETONGNENGLIIcmDINGYIWEIDUANLUQIEDINGJIXIANFENDUANNENGLIIcuDEKBEI。KXISHUQUJUEYUDUANLUDIANLUDEGONGLVYINSHUcosφ 。

9万彩票开户 IEC 60947-2ZHONGGUIDINGZAIBUTONGDEDUANLUDIANLIUGONGLVYINSHUXIAEDINGDUANLUJIETONGNENGLIIcmYUEDINGJIXIANDUANLUFENDUANNENGLIIcuZHIJIANDEGUANXIJIANXIABIAO。

光伏直流斷路器一系列參數之間的電流關系可以用下列式子形象的表示出來:

Ie=Iu<Icw≤Ics≤Icu<Icm


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