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              真空断路器
              HVD7

              HVD7 vacuum circuit breaker.png

              1. Introduction

              HVD7-40.5 outdoor HV AC vacuum circuit breaker has many visual advantages like reasonable design, fashionable appearance, high safety and reliability, simple maintenance, long electric life. It is the ideal upgraded products of 35KV outdoor oil circuit breakers.

              HVD7-40.5 vacuum circuit breaker is applicable for three-phase power system of AC 50HZ.It is used to make and break the load current ,overload current and short-circuit current.

              HVD7-40.5户外交流高压真空断路器(ZW7-40.5){亚博王者荣耀竞猜主词},具有设计合理{亚博王者荣耀竞猜主词}、外形新颖{亚博王者荣耀竞猜主词}、安全可靠{亚博王者荣耀竞猜主词}{亚博王者荣耀竞猜主词}、维护简便{亚博王者荣耀竞猜主词}{亚博王者荣耀竞猜主词}、电寿命长等优点。是35KV户外多油断路器更新换代的理想产品{亚博王者荣耀竞猜主词}。

                  HVD7型真空断路器用于交流50Hz的三相电力系统中{亚博王者荣耀竞猜主词},作为分合负荷电流{亚博王者荣耀竞猜主词}{亚博王者荣耀竞猜主词}、过载电流及短路电流之用{亚博王者荣耀竞猜主词}。

               

               

              2. Applicable environment

              2.1The ambient temperature should be -30℃~ +40℃(-40℃ in the frosty area);

              2.2Altitude should not exceed 2000m(over 2000m is plateau type);

              2.3The wind pressure should not exceed 700Pa(equal to wind speed 34m/s);

              2.4Air pollution degree: Ⅲ,that of antifouling type:Ⅵ;

              2.5The installation site should be free from the fire, explosion, chemical corrosion and serious vibration.

              2.使用环境

              2.1周围空气温度不高于+40℃{亚博王者荣耀竞猜主词}{亚博王者荣耀竞猜主词},不低于-30℃(严寒地区-40℃){亚博王者荣耀竞猜主词}{亚博王者荣耀竞猜主词}{亚博王者荣耀竞猜主词};

              2.2海拔不超过2000米(2000米以上为高原型);

              2.3风压不超过700Pa(相当于风速34m/s);

              2.4空气污秽程度III级{亚博王者荣耀竞猜主词}{亚博王者荣耀竞猜主词}{亚博王者荣耀竞猜主词},防污型Ⅳ级{亚博王者荣耀竞猜主词}{亚博王者荣耀竞猜主词}{亚博王者荣耀竞猜主词};

              2.5无火灾{亚博王者荣耀竞猜主词}{亚博王者荣耀竞猜主词}、爆炸危险、化学腐蚀及剧烈振动的场所。

               

               

               

              1. Main technical parameters

               

              No.

              Item项目

              Unit单位

              Date参数

              1

              Rated voltage额定电压

              KV

              40.5

              2

              Rated insulation

              Level

              额定绝缘水平

              1min power frequency

              withstand voltage

              1分钟工频耐压

              Dry test

              KV

              95

              Wet test

              80

              Lightning impulse withstand voltagepeak value

              雷电冲击耐受电压(峰值)

              185

              3

              Rated current额定电流

              A

              1600

              2000

              4

              Rated short-circuit breaking current

              额定短路开断电流

              KA

              20

              25

              31.5

              5

              Rated short-circuit making currentpeak

              额定短路关合电流(峰值)

              KA

              50

              63

              80

              6

              Rated operating sequence

              额定操作顺序


              O-0.3s-CO-180s-CO

              7

              Rated short-time withstand current

              额定短时耐受电流

              KA

              20

              25

              31.5

              8

              Rated peak withstand current

              额定峰值耐受电流

              KA

              50

              63

              80

              9

              Rated short-circuit duration

              额定短路持续时间

              S

              4

              10

              Rated control voltage

              额定控制电压

              V

              AC220,110;DC220,110

              11

              Rated short-circuit breaking current break times

              额定短路开断电流开断次数

              Times

              20

              12

              Full-break time

              全开断时间

              ms

              ≤80

              13

              Mechanical life

              机械寿命

              Times

              10000

               


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