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真空断路器
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保护和控制之用, 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.

 

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