GW4-12TQ(D)W轻力矩免维护型,户外高压隔离开关,是频率为50HZ-60 HZ、10kV的户外高压电器设备,供高压线路在有电压无负载情况下进行换接,以及对被检修的高压母线、断路器等电器设备与带电的高压线路进行电气隔离之用。也可用于分、合很小的电容电流和电感电流。GW4-12D/2000A型户外大电流隔离开关.
GW4-12TQ(D) W outdoor high-voltage disconnector is outdoor high-voltage equipment with 50-60Hz frequency,10kV,Characterized by light torque, free maintenance. It can be changed and connected for high-voltage line under voltage and no load conditions; it also can be electrically disconnected between the HV electrical equipments such as the overhaul of high voltage busbar, CB, etc. and high voltage cables, also can be used to open or close small capacitor current and conductive current.
隔离开关的主要技术参数见下表
Main technical data of the disconnector as follows:
项目 Item | 参数 Technical data | |||
额定电压 Rated voltage | 12 kV | |||
zui高工作电压 Max. work voltage | 12 kV | |||
额定绝缘水平 Rated Insulation level | 一分钟工频耐受电压 (有效值) 1 min power frequency withstand voltage (value) | 对地 To earth | 42kV | |
断口 Fracture | 48 kV | |||
雷电冲击耐受电压 (峰值) Lightning impulse withstand voltage kV(peak value) | 对地 To earth | 105kV | ||
断口 Fracture | 120 | |||
额定频率Rated frequency | 50 or 60 Hz | |||
额定电流Rated current | 2000 | 2500 A | ||
热稳定电流 (有效值) The current of thermal stabilization (value) | 40 | 40kA | ||
动稳定电流 (峰值) The current of dynamic stabilization (peak value) | 100 | 100kA | ||
接线端额定纵向机械负荷 Rated vertical mechanical loads of connection end | 500N | |||
配 用 机 构 Equipped mechanism | CS8-6D手动机构 CS8-6D manual operation mechanism |
CS8-6D手动机构manual mechanism
辅助开关极数 Pole number of auxiliary switch | 一个八节 Eight for each |
DSW4电磁锁 DSW4 electromagnetism lock | 无 Nothing |
注:10kV的户外隔离开关电流等级有400A、630A、1250A、1600A、2000A、2500A、3150A、4000A
GW4-12W/5000A不接地型,GW4-12DW/5000A单接地型,10kV户外高压隔离开关
高压隔离开关技术规范表
序号 | 名 称 | 单位 | 保证值 | |
| 隔离开关的结构与型式 |
| 双柱水平旋转 *开断型 | 双柱水平旋转 *开断型 |
1 | 型号 |
| GW4-12W/5000A 不接地型 | GW4-12DW/5000A 左或右接地型 |
2 | 操动机构的型式 |
|
|
|
| a) 型号 |
| CJ11A-G | CJ11A-G |
b) 三相联动或分相操作 |
| 三相联动 | 三相联动 | |
c) 电动 |
| 电动 | 电动 | |
d) 电动电压 | V | 交流380V | 交流380V | |
e) 控制电压 | V | 交流220V | 交流220V | |
3 | 接地刀闸的操动机构型式 |
|
|
|
| a) 型号 |
|
| CS11G |
b) 三相联动或分相操动 |
|
| 三相联动 | |
c) 电动、手动或其它 |
|
| 手动 | |
d) 控制电压 | V |
|
| |
4 | 隔离开关的辅助触点 | 对 | 8 | 8 |
接地开关的辅助触点 | 对 |
| 6 | |
二 | 额定参数 |
|
|
|
1 | 额定电压 | kV | 12 | 12 |
2 | 额定频率 | Hz | 50 | 50 |
3 | 额定电流 | A | 5000 | 5000 |
4 | 额定动稳定电流峰值 | kA | 125 | 50 |
5 | 额定热稳定电流及其持续时间 | kA | 50/4S | 125 |
6 | 分闸时间(参考) | S | 4±1 | 50/4S |
| 合闸时间(参考) | S | 4±1 | 4±1 |
7 | 分闸平均速度(参考) | mm/s | 110 | 110 |
合闸平均速度(参考) | mm/s | 110 | 110 | |
8 | 三相分、合闸的操作同期性 | mm | 5 | 5 |
9 | 隔离开关组合负载的安全系统 |
|
|
|
| a) 持续组合负载 |
| 3.5 | 3.5 |
b) 短时组合负载 |
| 1.7 | 1.7 | |
10 | 额定绝缘水平 |
|
|
|
|
耐受电压 |
|
|
|
断口 | kV | 48 | 48 | |
对地 | kV | 42 | 42 | |
b) 额定雷电冲击下 耐受电压 |
|
|
| |
断口 | kV | 85 | 85 | |
对地 | kV | 75 | 75 | |
11 | 绝缘子的要求 |
|
|
|
| a) 支柱绝缘子抗弯 | kN | 4 | 4 |
抗扭强度 | kN.m | 1.5 | 1.5 | |
zui小爬电距离 | mm | ≥400 | ≥400 | |
干弧距离 | mm | ≥200 | ≥200 | |
b) 旋转绝缘子抗弯 | N | 4 | 4 | |
抗扭强度 | kN.m | 1.5 | 1.5 | |
zui小爬电距离 | mm | ≥400 | ≥400 | |
干弧距离 | mm | ≥200 | ≥200 | |
c) 伞裙参数P1 | mm | 55 | 55 | |
伞裙参数P2 | mm | 40 | 40 | |
伞裙参数S |
| 1.36 | 1.36 | |
12 | 开断电容电流值 | A | 1 | 1 |
13 | 开断小电感电流值 | A | 0.5 | 0.5 |
14 | 接线端子静负荷 |
|
|
|
| a) 水平 | N | 500 | 500 |
b) 横向 | N | 400 | 400 | |
c) 垂直 | N | 400 | 400 | |
15 | 接线端子安全系数(主端子板在不变形能承受的zui大弯矩) | N.m | 3.5(400) | 3.5(400) |
16 | 是否配套供应安装钢架 | mm | 否 | 否 |
17 | 机械寿命(空载次数) | 次 | ≥2000 | ≥2000 |
1 隔离开关本体Body of disconnector.
2 主刀相间联管(厂家提供) Connecting tube between phases of main blade (provided by manufacturer).
3 上联抱箍Upper connecting fastener of main earth blade.
4 主地刀垂直联管(32水煤气管,用户自备) Vertical connecting tube of main earth blade (provided by customer).
5 主地刀下联抱箍Lower connecting fastener of main earth blade.
6 CS8-6D方型手动机构 CS8-6D square-shape manual mechanism.
7 地刀水平联管(32水煤气管,用户自备) Horizontal connecting tube of earth blade (provided by customer).
8 地刀联接抱箍Connecting fastener of earth blade.
GW4-12DW/4000A单接地型隔离开关三极联装图
注:CS8-6DG 方型手动机构,主刀及地刀配辅助开关用户若无要求按4常开4常闭供货。Note: CS8-6DG square-shape manual mechanism, the auxiliary swithches of main blade and earth balde are 4-open and 4-close.