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概述General

    ZW□-40.5型系列户外高压真空断路器系三相交流50Hz,额定电压为40.5kV的户外高压电器.附装弹簧操作动机构或电磁操动机构,可以远控电动分、合闸,也可就地手动储能手动分、合闸。设计性能符合GB1984-89《交流高压断路器》国家标准的要求,并满足IEC-56《高压交流断路器》国际电工委员会标准的要求。ZW□-40.5型真空断路器,主要用于户外35kV输变电系统的控制与保护,也适用于城、乡配电网络及工矿企业的正常操作与短暂保护之用。该产品总体结构为瓷瓶支柱式;上瓷瓶内装真空灭弧室,下瓷瓶为支柱瓷瓶。适用于频繁操作的场所,并具有密封性好、抗老化、耐高压、不燃烧、无爆炸、使用寿命长,安装维护方便等特点。

    It is a kond of outdoor hight voltage switch equipment with 50Hz three-phase alternating current and 40.5kV rated voltage. The inserted spring operation system or electromagntism operation system can remote control to break and close the brake by the electromotion or by hand,and storing power manually on the spot.The designed performance accord with GB1984-89,National Standard of the Alternating current Higt-voltage Breaker and meet the standard of International Electicaian Committee for High-voltage Alternating Current Breakcr.It is mainly apply to control and protect the outdoor 35kV transmission & transformion power system. protect the normal operation and short circuit in the city orvillage distribution power system and industry or minint enterprises.The general con-figuration of this product is porcelan flask support.It applies to use in frequent operation.This prouduct has the advantages of good sealed performance,anti-aging,high-voltage resistant,non-combustion,long ae limit,convenience for installation and maintenance.

主要技术参数 Technical parameter

名称
Item

单位Unit 参数
Reference
额定电压
Rated vpltage
kV 40.5
额定电流
Rated current
A 1600 2000
额定短路开断电流
Rated short-circuit breaker current
kA 25 31.5
额定短路关合电流(峰值)
Rated short-circuit close currcnt (peak value)
63 80
额定短时耐受(动稳定)电流
Rated little withstand(hot stabilization) current
25 31.5
额定峰值耐受(动稳定)电流
Rated peak vahue withstand(move stabilization) current
63 80
额定短路开断持续时间
Rated short-circuit duration
s 4

额定绝缘水平Rated isdation kvel

Imin工频耐受电压
Imin industnal trexpucncy withstannd volotage
干式
Dry
kV 95
80
湿式Wct
雷电冲击耐受电压(峰值)
Thunder impulse withstand voltage(peak vahe)
185

额定操作顺序                    分-0.3-合 分-180s-合分
Rated operation order     off-0.3S-on and off-180S-on snd off       

额定短路开断电流开断次数
Rated short-circuit current bread and close time
次(times) 20
全开断时间(配弹簧操作机构)
Complece brcak and close time(equip operation outfit)
ms ≤80
机械寿命
Mechanical life-span
次(times) 1000
额定操作电压
Rated operation voltage
V AC DC220
触头开距
Swithing distance of the contact
mm 20
触头超程
Contact exceed degree
mm
弹跳时间
Bounce time
ms ≤5
每相回路值流电阻
Loop direct current resistance of cach phase
μΩ ≤120
断路器外形尺寸(长×高×宽)
Circuit breaker dimensions(L×W×H)
mm 1335×2275×500
断路器带机构总质量
Circuit breaker machine weight
kg 1100

 

 

 

 

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