詳細(xì)介紹
1、 概述 General
1.1 VS1-24型戶內(nèi)高壓真空斷路器(下稱斷路器)是戶內(nèi)安裝、三相交流50HZ,額定電壓為24KV的變配電的控制和保護(hù)設(shè)備。用于24KV及以下的交流系統(tǒng)中,可用來(lái)分、額定電流和故障電流,尤其適合頻繁操作,如投、切電容器組合,控制電爐、變壓器和高壓電機(jī)等,也可作為聯(lián)絡(luò)斷路器使用。
The VS1-24 indoor high voltage vacuum circuit breaker (hereafter refered to as circuit breaker) which has 3-phases、AC50Hzrated voltage of 24KV is a kind of indoor controllingprotecting equipment for transmittingdistributing .It is used in the A.C system of 24KVbelow openingclosing the rated currentfault current. It is especially suitable for operating frequently, for example closingopening capacitor bank、controlling furnace transformerhigh voltage motor etc.,it also can be used as the connecting circuit breaker.
1.2 斷路器符合GB1984和IEC62271的標(biāo)準(zhǔn)。
The circuit breaker should comply with the standard of GB1984IEC62271.
2、 技術(shù)參數(shù) Technical parameters
2.1 主要技術(shù)參數(shù) Main technical parameters
序號(hào) Sr. No. | 項(xiàng)目 Item | 單位 Unit | 參數(shù) Parament | ||||
1 | 額定電壓 Rated voltage | KV | 24 | ||||
2 | 額定絕緣水平 Rated insulation level | 一分鐘工頻耐受電壓(有效值) 1min power-frequency withstand voltage(r. m. s) | 65 | ||||
雷電沖擊耐受電壓(峰值) Lightning impulse withstand voltage(peak) | 125 | ||||||
3 | 額定頻率 Rated frequency | A | 630,1250,1600,2000,2500 | ||||
4 | 額定電流 Rated current | 31.5 | |||||
5 | 額定開(kāi)合電纜充電電流 Rated breaking current for charging cable | HZ | 50,60 | ||||
6 | 額定短路開(kāi)斷電流 Rated short-circuit breaking current | KA | 20 | 25 | 31.5 | ||
7 | 額定短路關(guān)合電流(峰值) Rated short-circuit making current(peak) | 50 | 63 | 80 | |||
8 | 額定峰值耐受電流 Rated peak withstand current | 50 | 63 | 80 | |||
9 | 額定短時(shí)耐受電流(有效值) Rated short-time withstand current(r. m. s) | 20 | 25 | 31.5 | |||
10 | 額定短路耐受時(shí)間 Rated duration of short-circuit | S | 4 | ||||
11 | 全開(kāi)斷時(shí)間 Total breaking time | MS | ≤80 | ||||
12 | 額定操作順序Rated operating sequency | S | O-0.3s-CO-180s-CO O-180s-CO-180s-CO | ||||
13 | 機(jī)械壽命 Mechanism endurance | 次 Times | 10000(M2class) | ||||
14 | 電壽命Electrical endurance | 額定短路開(kāi)斷電流 Rated short-circuit breaking current | 50 | ||||
開(kāi)斷額定電流breaking rated current | 2000 | ||||||
15 | 動(dòng)、靜觸頭累計(jì)允許磨損厚度 Total allowable nearing thickness of movingfixed contacts | MM | 3 | ||||
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2.2 裝配調(diào)整后機(jī)械性參數(shù)
After adjustedinstalled, the mechanism character parametes comply
序號(hào) Sr.No. | 項(xiàng)目 Item | 單位 Unit | 參數(shù) Parament | |
1 | 觸頭開(kāi)柜 Contact clearance | MM | 14±1 | |
2 | 觸頭超程 Supper travel of contact | 3.5±1 | ||
3 | 平均合閘速度 Average closing speed | M/S | 1.0±0.2 | |
4 | 平均分閘速度 Average opening speed | 1.3±0.2 | ||
5 | 合閘時(shí)間 Closing time | MS | 35~70 | |
6 | 分閘時(shí)間 Opening time | 20~50 | ||
7 | 觸頭合閘彈跳時(shí)間 Bouncing time of closing contact | ≤2 | ||
8 | 三相分閘不同期性 3-phase opening synch ronism differenct | ≤2 | ||
9 | 相間中心距 Phases center distance | MM | 210±0.5 | 275±0.5 |
10 | 觸頭合閘接觸壓力 Contacting pressure of closing contact | N | 2400±200(20KA、25KA) 310014±200(31.5KA) |
2.3 彈簧操動(dòng)機(jī)構(gòu)技術(shù)參數(shù)
Technical parameters of spring operating mechanism
序號(hào) Sr. No | 項(xiàng)目 Item | 單位 Unit | 參數(shù) Parament |
1 | 額定操作電壓 Rated operation | V | AC220、110 DC220、110 |
2 | 工作電流 Working current | A | AC、DC220:1.1 AC、DC110:3.3 |
3 | 儲(chǔ)能電機(jī)功率 Energy storage motor power | W | 80、100 |
4 | 儲(chǔ)能電機(jī)額定電壓 Rated voltage of energy storage motor | V | AC220、110 DC220、110 |
5 | 電動(dòng)機(jī)儲(chǔ)能時(shí)間 Storage time of motor | S | ≤10 |