ZWm30-40.5型永磁式户外高压真空断路器(快速分闸)
ZWm30—40.5型永磁机构户外高压(快速分闸)真空断路器是三相(单相)交流、50Hz的户外高压开关设备,适用于35kV级输配电系统中作为快速联络断路器使用。也可在UPQC/SVC/SVG系统中作为快速投切开关使用。在光脉冲控制下,断路器最快可在8~9mS内完成分闸动作。该断路器符合国家标准GB1984—89《交流高压断路器》和国际电工委员会标准IEC56《交流高压断路器》的要求。
● 使用环境条件
a. 海拔高度:不大于1000m;
b. 环境温度:-10℃~+40℃;
c. 空气相对湿度日平均不大于95%,水蒸汽压力日平均不大于2.2kpa,月平均湿度不大于90%,水蒸汽压力月平均值不大于1.8kpa;
d. 地震烈度不超过8级;
e. 风压:不大于700Pa(相当于风速34m/s);
f. 没有易燃、易爆、化学腐蚀及剧烈振动的场合。
● 断路器的主要特点
a. 快速分闸特性:分闸时间为8~9mS;
b. 开断性能优良,电寿命长(大于30次);
c. 机械寿命长(50000次),动作可靠,能频繁操作,噪音低;
d. 具有失步开断能力,可作联络断路器使用;
e. 可用于海拔1000m;
f. 可用于Ⅳ级污秽地区;
g. 结构简单,不检修周期长且检修方便;
h. 产品外形美观,防腐能力强。
ZWm30-40.5outdoorVCBwithpermanentmagneticactuator(fastclosing)
Itisthree-phaseACof50Hz,andit’sanoutdoorswitchgear.Itappliestopowertransmissionanddistributionsystem
of35KVasaninterconnectingcircuitbreaker.ItisalsocanbeusedasafastswitchinUPQC/SVC/SVGsystem.
Underthecontroloflightpulse,theopeningoperationofcircuitbreakercanbedonewithin8-9ms.
ThecircuitbreakercomplywiththenationalstandardofGB1984—89“ACHighVoltageCircuitBreakers”and
alsotheIEC56“ACHighVoltageCircuitBreakers”issuedbyIEC.
Environmentalconditions
a.Altitude:notmorethan1000m;
b.Environmenttemperature:-10℃~+40℃
c.Averagedailyrelativeairhumidityshallnotexceed95%,averagedailywatervaporpressureshallnot
exceed2.2kpa,averagemonthlyhumidityshallnotexceed90%,averagemonthlywatervaporpressure
shallnotexceed1.8kpa;
d.Seismicintensityshallnotexceedmagnitude8.
e.Windpressure:notmorethan700Pa(equivalenttowindvelocity-34m/s).
f.Theoccasionwithoutinflammable,explosive,chemicalcorrosionandviolentvibration.
Mainfeatures:
a.Fastclosing:closingtimeis8~9mS;
b.Excellentbreakingperformance,longelectricalendurance(morethan30times);
c.Longmechanicalendurance(50000times),reliablemovement,canbeoperatedfrequently,lownoise;
d.Out-of-phasebreakingcapacity,canbeusedasinterconnectingcircuitbreaker.
e.Canbeusedeventhealtitudeis1000m;
f.CanbeusedinthepollutedareaseventhepollutedgradeisIV.
g.Simplestructure,longnon-maintenancecycleandeasymaintenance.
h.Attractiveinappearance,goodanticorrosionability.