35kv高压真空断路器安装说明书-检修规程-型号大全-参数-回路电阻标准-一点通
一、概述： 35kv高压真空断路器是断路器的一种常用类型，可以在规定时间内承载和开断异常回路条件下的开关装置。高压真空断路器具有使用灵活、结构简单、维护简便、使用寿命长等优点，在多个行业中都有一定的应用。二、35kv高压真空断路器选型一般原则： 1、为保证高压真空断路器在正常运行、检修、短路和过电压情况下的安全，高压真空断路器应按下列条件选择 a、按正常工作条件包括电压、电流、频率、机械荷载等选择； b、按短路条件包括短时耐受电流、峰值耐受电流、关合和开断电流等选择； c、按环境条件包括温度、湿度、海拔、地震等选择； d、按承受过电压能力包括绝缘水平等选择； e、按各类高压电器的不同特点包括开关的操作性能、熔断器的保护特性配合、互感器的负荷及准确等级等选择。2.按正常工作条件选择高压真空断路器 a、按工作电压选择选用的高压真空断路器，其额定电压应符合所在回路的系统标称电压，其允许工作电压umax不应小于所在回路的运行电压uy，即umax≥uy；
b、按工作电流选择高压真空断路器的额定电流in不应小于该回路在各种可能运行方式下的持续工作电流ig，即in≥ig。3.按短路稳定条件选择高压真空断路器； a、短路稳定性校验的一般要求； b、短路电流的热效应； c、短路稳定性校验。4.按环境条件选择高压真空断路器： a、选择电器的环境温度； b、选择电器的环境湿度； c、高海拔对高压电器的影响； d、地震对高压电器的影响。
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四、产品现场图：
35kv高压真空断路器安装说明书-检修规程-型号大全-参数-回路电阻标准-一点通
产品英文详情介绍
35kv high vacuum circuit breaker mounting instructions - service procedure - part number index - parameter - loop resistance standard - made easy i. overview: 35kv voltage vacuum circuit breaker is a common type of circuit breaker, and can carry the abnormal breaking within a predetermined time switching circuit means under conditions. voltage vacuum circuit breaker having a flexible, simple construction, easy maintenance, long life, have some application in many industries. second, the selection of 35kv voltage vacuum circuit breaker general principles: 1, to ensure the safety voltage vacuum circuit breaker during normal operation, maintenance, short circuit and over-voltage conditions, voltage vacuum circuit breaker according to the following conditions to choose a, the normal operating conditions including voltage, current, frequency, and other mechanical load selection; b, including a short circuit condition by the short time withstand current, peak withstand current, closing and breaking current selection and the like; c, according to the environmental conditions including temperature, humidity, altitude, earthquakes selection; d, by the ability to withstand an overvoltage level of insulation comprising selection; e, according to the different operating characteristics of various properties include high-voltage electrical switch with fuse protection features, and the transformer load other selected accuracy level. 2. the normal working conditions are selected voltage vacuum circuit breaker a, according to the operating voltage selected to select high vacuum circuit breaker, the rated voltage should be consistent with the nominal voltage of the circuit where the system, which allows the operating voltage umax is not less than the operating voltage of the circuit where uy, i.e. umax鈮y; b, select high vacuum circuit breaker according to the operating current of not less than the rated current in continuous operating loop current ig under various possible operating modes, i.e. in鈮g. 3. stable short-circuit conditions are selected voltage vacuum circuit breaker; general requirements a, a short-circuit check stability; thermal effects b, short-circuit current; c, short circuit stability check. 4. press the environmental conditions to select voltage vacuum circuit breaker: a, selecting an ambient temperature of the collector; b, ambient humidity selecting appliances; c, effect of high altitude on the high voltage apparatus; d, seismic effects high voltage apparatus. third, the physical map: fourth, the product site map: 35kv voltage vacuum circuit breaker mounting instructions - service procedure - part number index - parameter - loop resistance standard - made easy
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