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详细介绍
1、 概述 General
1.1 VS1-24型户内高压真空断路器（下称断路器）是户内安装、三相交流50HZ，额定电压为24KV的变配电的控制和保护设备。用于24KV及以下的交流系统中，可用来分、额定电流和故障电流，尤其适合频繁操作，如投、切电容器组合，控制电炉、变压器和高压电机等，也可作为联络断路器使用。
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 断路器符合GB1984和IEC62271的标准。
The circuit breaker should comply with the standard of GB1984IEC62271.
2、 技术参数 Technical parameters
2.1 主要技术参数 Main technical parameters
| 序号 Sr. No. | 项目 Item | 单位 Unit | 参数 Parament | ||||
| 1 | 额定电压 Rated voltage | KV | 24 | ||||
| 2 | 额定绝缘水平 Rated insulation level | 一分钟工频耐受电压（有效值） 1min power-frequency withstand voltage(r. m. s) | 65 | ||||
| 雷电冲击耐受电压（峰值） Lightning impulse withstand voltage(peak) | 125 | ||||||
| 3 | 额定频率 Rated frequency | A | 630,1250,1600,2000,2500 | ||||
| 4 | 额定电流 Rated current | 31.5 | |||||
| 5 | 额定开合电缆充电电流 Rated breaking current for charging cable | HZ | 50,60 | ||||
| 6 | 额定短路开断电流 Rated short-circuit breaking current | KA | 20 | 25 | 31.5 | ||
| 7 | 额定短路关合电流（峰值） Rated short-circuit making current(peak) | 50 | 63 | 80 | |||
| 8 | 额定峰值耐受电流 Rated peak withstand current | 50 | 63 | 80 | |||
| 9 | 额定短时耐受电流（有效值） Rated short-time withstand current(r. m. s) | 20 | 25 | 31.5 | |||
| 10 | 额定短路耐受时间 Rated duration of short-circuit | S | 4 | ||||
| 11 | 全开断时间 Total breaking time | MS | ≤80 | ||||
| 12 | 额定操作顺序Rated operating sequency | S | O-0.3s-CO-180s-CO O-180s-CO-180s-CO | ||||
| 13 | 机械寿命 Mechanism endurance | 次 Times | 10000(M2class) | ||||
| 14 | 电寿命Electrical endurance | 额定短路开断电流 Rated short-circuit breaking current | 50 | ||||
| 开断额定电流breaking rated current | 2000 | ||||||
| 15 | 动、静触头累计允许磨损厚度 Total allowable nearing thickness of movingfixed contacts | MM | 3 | ||||
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2.2 装配调整后机械性参数
After adjustedinstalled, the mechanism character parametes comply
| 序号 Sr.No. | 项目 Item | 单位 Unit | 参数 Parament | |
| 1 | 触头开柜 Contact clearance | MM | 14±1 | |
| 2 | 触头超程 Supper travel of contact | 3.5±1 | ||
| 3 | 平均合闸速度 Average closing speed | M/S | 1.0±0.2 | |
| 4 | 平均分闸速度 Average opening speed | 1.3±0.2 | ||
| 5 | 合闸时间 Closing time | MS | 35~70 | |
| 6 | 分闸时间 Opening time | 20~50 | ||
| 7 | 触头合闸弹跳时间 Bouncing time of closing contact | ≤2 | ||
| 8 | 三相分闸不同期性 3-phase opening synch ronism differenct | ≤2 | ||
| 9 | 相间中心距 Phases center distance | MM | 210±0.5 | 275±0.5 |
| 10 | 触头合闸接触压力 Contacting pressure of closing contact | N | 2400±200(20KA、25KA) 310014±200(31.5KA) | |
2.3 弹簧操动机构技术参数
Technical parameters of spring operating mechanism
| 序号 Sr. No | 项目 Item | 单位 Unit | 参数 Parament |
| 1 | 额定操作电压 Rated operation | V | AC220、110 DC220、110 |
| 2 | 工作电流 Working current | A | AC、DC220：1.1 AC、DC110：3.3 |
| 3 | 储能电机功率 Energy storage motor power | W | 80、100 |
| 4 | 储能电机额定电压 Rated voltage of energy storage motor | V | AC220、110 DC220、110 |
| 5 | 电动机储能时间 Storage time of motor | S | ≤10 |
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