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HVD32
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.
HVD32-12及HVD32-12G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 . Main technical parameter主要技术参数
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:Ⅵ;
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.
