GW4-12TQ(D)W輕力矩免維護(hù)型,戶外高壓隔離開(kāi)關(guān),是頻率為50HZ-60 HZ、10kV的戶外高壓電器設(shè)備,供高壓線路在有電壓無(wú)負(fù)載情況下進(jìn)行換接,以及對(duì)被檢修的高壓母線、斷路器等電器設(shè)備與帶電的高壓線路進(jìn)行電氣隔離之用。也可用于分、合很小的電容電流和電感電流。GW4-12D/2000A型戶外大電流隔離開(kāi)關(guān).
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.
隔離開(kāi)關(guān)的主要技術(shù)參數(shù)見(jiàn)下表
Main technical data of the disconnector as follows:
項(xiàng)目 Item | 參數(shù) Technical data | |||
額定電壓 Rated voltage | 12 kV | |||
zui高工作電壓 Max. work voltage | 12 kV | |||
額定絕緣水平 Rated Insulation level | 一分鐘工頻耐受電壓 (有效值) 1 min power frequency withstand voltage (value) | 對(duì)地 To earth | 42kV | |
斷口 Fracture | 48 kV | |||
雷電沖擊耐受電壓 (峰值) Lightning impulse withstand voltage kV(peak value) | 對(duì)地 To earth | 105kV | ||
斷口 Fracture | 120 | |||
額定頻率Rated frequency | 50 or 60 Hz | |||
額定電流Rated current | 2000 | 2500 A | ||
熱穩(wěn)定電流 (有效值) The current of thermal stabilization (value) | 40 | 40kA | ||
動(dòng)穩(wěn)定電流 (峰值) The current of dynamic stabilization (peak value) | 100 | 100kA | ||
接線端額定縱向機(jī)械負(fù)荷 Rated vertical mechanical loads of connection end | 500N | |||
配 用 機(jī) 構(gòu) Equipped mechanism | CS8-6D手動(dòng)機(jī)構(gòu) CS8-6D manual operation mechanism |
CS8-6D手動(dòng)機(jī)構(gòu)manual mechanism
輔助開(kāi)關(guān)極數(shù) Pole number of auxiliary switch | 一個(gè)八節(jié) Eight for each |
DSW4電磁鎖 DSW4 electromagnetism lock | 無(wú) Nothing |
注:10kV的戶外隔離開(kāi)關(guān)電流等級(jí)有400A、630A、1250A、1600A、2000A、2500A、3150A、4000A
GW4-12W/5000A不接地型,GW4-12DW/5000A單接地型,10kV戶外高壓隔離開(kāi)關(guān)
高壓隔離開(kāi)關(guān)技術(shù)規(guī)范表
序號(hào) | 名 稱(chēng) | 單位 | 保證值 | |
| 隔離開(kāi)關(guān)的結(jié)構(gòu)與型式 |
| 雙柱水平旋轉(zhuǎn) *開(kāi)斷型 | 雙柱水平旋轉(zhuǎn) *開(kāi)斷型 |
1 | 型號(hào) |
| GW4-12W/5000A 不接地型 | GW4-12DW/5000A 左或右接地型 |
2 | 操動(dòng)機(jī)構(gòu)的型式 |
|
|
|
| a) 型號(hào) |
| CJ11A-G | CJ11A-G |
b) 三相聯(lián)動(dòng)或分相操作 |
| 三相聯(lián)動(dòng) | 三相聯(lián)動(dòng) | |
c) 電動(dòng) |
| 電動(dòng) | 電動(dòng) | |
d) 電動(dòng)電壓 | V | 交流380V | 交流380V | |
e) 控制電壓 | V | 交流220V | 交流220V | |
3 | 接地刀閘的操動(dòng)機(jī)構(gòu)型式 |
|
|
|
| a) 型號(hào) |
|
| CS11G |
b) 三相聯(lián)動(dòng)或分相操動(dòng) |
|
| 三相聯(lián)動(dòng) | |
c) 電動(dòng)、手動(dòng)或其它 |
|
| 手動(dòng) | |
d) 控制電壓 | V |
|
| |
4 | 隔離開(kāi)關(guān)的輔助觸點(diǎn) | 對(duì) | 8 | 8 |
接地開(kāi)關(guān)的輔助觸點(diǎn) | 對(duì) |
| 6 | |
二 | 額定參數(shù) |
|
|
|
1 | 額定電壓 | kV | 12 | 12 |
2 | 額定頻率 | Hz | 50 | 50 |
3 | 額定電流 | A | 5000 | 5000 |
4 | 額定動(dòng)穩(wěn)定電流峰值 | kA | 125 | 50 |
5 | 額定熱穩(wěn)定電流及其持續(xù)時(shí)間 | kA | 50/4S | 125 |
6 | 分閘時(shí)間(參考) | S | 4±1 | 50/4S |
| 合閘時(shí)間(參考) | S | 4±1 | 4±1 |
7 | 分閘平均速度(參考) | mm/s | 110 | 110 |
合閘平均速度(參考) | mm/s | 110 | 110 | |
8 | 三相分、合閘的操作同期性 | mm | 5 | 5 |
9 | 隔離開(kāi)關(guān)組合負(fù)載的安全系統(tǒng) |
|
|
|
| a) 持續(xù)組合負(fù)載 |
| 3.5 | 3.5 |
b) 短時(shí)組合負(fù)載 |
| 1.7 | 1.7 | |
10 | 額定絕緣水平 |
|
|
|
|
耐受電壓 |
|
|
|
斷口 | kV | 48 | 48 | |
對(duì)地 | kV | 42 | 42 | |
b) 額定雷電沖擊下 耐受電壓 |
|
|
| |
斷口 | kV | 85 | 85 | |
對(duì)地 | kV | 75 | 75 | |
11 | 絕緣子的要求 |
|
|
|
| a) 支柱絕緣子抗彎 | kN | 4 | 4 |
抗扭強(qiáng)度 | kN.m | 1.5 | 1.5 | |
zui小爬電距離 | mm | ≥400 | ≥400 | |
干弧距離 | mm | ≥200 | ≥200 | |
b) 旋轉(zhuǎn)絕緣子抗彎 | N | 4 | 4 | |
抗扭強(qiáng)度 | kN.m | 1.5 | 1.5 | |
zui小爬電距離 | mm | ≥400 | ≥400 | |
干弧距離 | mm | ≥200 | ≥200 | |
c) 傘裙參數(shù)P1 | mm | 55 | 55 | |
傘裙參數(shù)P2 | mm | 40 | 40 | |
傘裙參數(shù)S |
| 1.36 | 1.36 | |
12 | 開(kāi)斷電容電流值 | A | 1 | 1 |
13 | 開(kāi)斷小電感電流值 | A | 0.5 | 0.5 |
14 | 接線端子靜負(fù)荷 |
|
|
|
| a) 水平 | N | 500 | 500 |
b) 橫向 | N | 400 | 400 | |
c) 垂直 | N | 400 | 400 | |
15 | 接線端子安全系數(shù)(主端子板在不變形能承受的zui大彎矩) | N.m | 3.5(400) | 3.5(400) |
16 | 是否配套供應(yīng)安裝鋼架 | mm | 否 | 否 |
17 | 機(jī)械壽命(空載次數(shù)) | 次 | ≥2000 | ≥2000 |
1 隔離開(kāi)關(guān)本體Body of disconnector.
2 主刀相間聯(lián)管(廠家提供) Connecting tube between phases of main blade (provided by manufacturer).
3 上聯(lián)抱箍Upper connecting fastener of main earth blade.
4 主地刀垂直聯(lián)管(32水煤氣管,用戶自備) Vertical connecting tube of main earth blade (provided by customer).
5 主地刀下聯(lián)抱箍Lower connecting fastener of main earth blade.
6 CS8-6D方型手動(dòng)機(jī)構(gòu) CS8-6D square-shape manual mechanism.
7 地刀水平聯(lián)管(32水煤氣管,用戶自備) Horizontal connecting tube of earth blade (provided by customer).
8 地刀聯(lián)接抱箍Connecting fastener of earth blade.
GW4-12DW/4000A單接地型隔離開(kāi)關(guān)三極聯(lián)裝圖
注:CS8-6DG 方型手動(dòng)機(jī)構(gòu),主刀及地刀配輔助開(kāi)關(guān)用戶若無(wú)要求按4常開(kāi)4常閉供貨。Note: CS8-6DG square-shape manual mechanism, the auxiliary swithches of main blade and earth balde are 4-open and 4-close.