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      真空断路器
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      HVD32

      HVD32-12.jpgHVD32-12G.jpg

      1. General概述
      This vacuum circuit breaker(VCB) is three-phase AC 50Hz, rated voltage 12kV outdoor high-voltage switch equipment. It is mainly used to opening(closing) load current, overload current and short-circuit current. It is suitable to protect or control the city or village electrical power distribution system.

      HVD32-12HVD32-12G系列户外柱上真空断路器(ZW32-12)(以下简称断路器)为额定电压12KV,三相交流50Hz的户外配电设备. 主要用于开断,关合电力系统中负荷电流,过载电流和短路电流. 适用于城市和农村电网中作?;ず涂刂浦?/span>, 更适用于频繁操作场所.

      2. 窗体顶端

      . Main technical parameter主要技术参数

      窗体底端

      窗体顶端

      窗体底端


      2.1Circuit breakers rated parameters断路器的额定参数

      No.

      Name名称

      Unit单位

      Value数值

      1

      Rated voltage额定电压

      KV

      12

      2

      1min rated power frequency withstand voltage

      1分钟额定工频耐受电压

      Phase to Phase, to Ground42 / Fracture 48

      相间, 对地42, 断口48

      3

      Rated lightning impulse withstand voltage(peak)

      额定雷电冲击耐受电压(峰值)

      Phase to Phase, to Ground42 / Fracture 85

      相间, 对地75, 断口85

      4

      Rated current额定电流

      A

      630

      1250

      5

      Rated frequency额定频率

      Hz

      50

      6

      Rated short circuit breaking current额定短路开断电流

      KA

      12.5  16  20

      25

      7

      Rated short-circuit current (peak)额定短路电流(峰值)

      31.5  40  50

      63

      8

      Rated peak withstand current额定峰值耐受电流

      31.5  40  50

      63

      9

      4s rated short time withstand current额定短时耐受电流4S

      12.5  16  20

      25

      10

      Rated operating sequence额定操作顺序


      O-0.3s-CO-180s-CO(Electric operation)

      11

      Closing time合闸时间

      ms

      30-60

      12

      Opening time分闸时间

      20-40

      13

      Rated short circuit breaking current breaking times

      额定短路开断电流开断次数

      times

      30

      14

      Mechanical life机械寿命

      10000

      15

      Secondary circuit 1min power frequency withstand voltage二次回路1分钟工频耐压

      V

      2000

      16

      Energy storage motor rated power储能电机额定功率

      W

      40

      17

      Energy storage motor rated voltage储能电机额定电压

      V

      DC220/110

      18

      Rated closing operation voltage额定合闸操作电压

      DC220/110, AC220/110

      19

      Rated opening operation voltage额定分闸操作电压

      DC220/110, AC220/110

      20

      Electric motor energy storage time电机储能时间

      S

      ≤8

       

      2.2The main technical parameters of the isolation switch隔离开关主要技术参数

      No.

      Project项目

      Unit

      单位

      Parameter参数

      1

      Rated voltage额定电压

      KV

      12

      2

      Rated current额定电流

      A

      630

      3

      Frequency额定频率

      Hz

      50

      4

      4s rated short time withstand current (rms)额定短时耐受电流4S(有效值)

      KA

      16/20

      5

      Rated peak withstand current额定峰值耐受电流

      40/50

      6

      1min power frequency withstand voltage工频耐压1分钟

      To ground对地, P to P相对相

      KV

      42

      Fracture断口

      48

      7

      Loop resistance回路电阻 (between the breaker panel and isolation switch input line board断路器接线板至隔离开关进线板间)

      μΩ

      ≤120

      8

      Three-phase closing of the knife center runout三相刀闸合闸时中心偏摆量

      mm

      ≤2

      9

      The three-phase knife points, closing bias over the same period三相刀闸分,合闸同期性偏差

      ≤2

      10

      Conductive parts of the insulation isolation导电部分对地绝缘隔离

      ≥160

      11

      Fracture open distance断口开距

      ≥200

       

      a)环境温度;-40~+40℃;

      b)污秽等级不大于Ⅳ级;

      c)海拔不超过2500m;

      d)风压不超过700Pa(相当于风速34m/s;

      e)无火灾、爆炸、化学腐蚀的场所;

      f)无经常性的剧烈振动、地震烈度不超过8度。

      Working coditions:

      1. The ambient temperature should be -40~ +40;

      2. Altitude should not exceed 2500m(over 2000m is plateau type);

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

      4. Air pollution degree should not exceed:;

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

      6. Free of frequent severe vibration, Earthquake intensity does not exceed 8 degrees.

       

      14.jpg


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