查询词典 vacuum breaker

Based on analyzing the principle of monostable permanent magnet actuator in vacuum circuit breaker,this paper provides a method of intelligently choosing phase.

基于单稳态永磁机构的真空断路器原理分析，提出采用永磁机构的真空断路器进行智能选相。

These problems would cause heavy overvoltage in the process of the vacuum circuit breaker switching capacitor bank.

这些问题都会在真空断路器投切电容器组过程中产生严重的过电压。

This article introduces how to realize the mechanical interlock of integral vacuum circuit breaker with the disconnector inside type GG1B switchgear cabinet .

介绍了如何实现GG1B型高压开关柜整体式真空断路器与隔离开关的机械联锁。

For switching capacitances group overvoltage, vacuum circuit breaker refining technics requires strengthening, and chamber reignition probability might be confined in minimum extension.

为减小开断电容器组过电压的危害，应加强真空断路器的老炼工艺，将灭弧室的重击穿概率限制在最小的范围内。

For switching capacitancesgroup overvoltage,vacuum circuit breaker refining technics requires strengthening,andchamber reignition probability might be confined in minimum extension.

为减小开断电容器组过电压的危害，应加强真空断路器的老炼工艺，将灭弧室的重击穿概率限制在最小的范围内。

In the paper,vacuum circuit breaker switchingtransformers process is simulated with Saber software and parameters are analyzed Theresults indicate that overvoltage peak value of switching no load transformers is not muchhigh,especially for switching load transformers.Yet,reignition overvoltage might doharm to transformer coils by cumulative effects for its surge steepness.The measures liesin setting parallel connection capacitance in practice working.

本文利用Saber仿真软件对真空断路器切除变压器的一个完整过程进行了仿真计算，并详细分析了各种参数对过电压的影响，结果表明，尽管实际中切除空载变压器过电压的幅值并不是很高，特别是带负载变压器的情况，但重燃过电压的陡度较大，对变压器绕组的纵绝缘有累积作用，在实际工作中应以并联电容为基础的限压装置。

The permanent magnet mechanism is a kind of new actuating device of vacuum circuit breaker.

永磁机构是近几年发展起来的一种新型操作机构，在国内，中压配网系统已有部分应用。

Type of permanent magnet bodies ZN73M vacuum circuit breaker for indoor installation, air-insulated, for the opening and closing of the different nature of the power load for the city network, rural power grid, power grids, such as mining and railroad construction and renovation projects, especially used in the current scope of operations and the frequent breaking of the short-circuit operation required a certain number of occasions.

ZN73M型永磁机构真空断路器为户内安装、空气绝缘，用于开合各种不同性质的电力负荷，适用于城网、农网、矿山及铁道等电网建设和改造工程中，尢其是用于在工作电流范围内频繁操作和对短路开断操作次数有一定要求的场合。

It analyzes the advantage of the scheme of high-voltage load switch current-limiting fuse combination,compared with traditional vacuum circuit breaker,in the protection of transformer up to 1 250 kV·A.

随着高压负荷开关-限流熔断器组合电器的出现，使得在操作不频繁、容量在1 250 kV·A及以下的场所，正逐步替代真空断路器，其中负荷开关用来开合负荷电流，以限流熔断器作短路保护，将控制与保护两种功能分开。

Vacuum circuit breaker ; dc current ; electrical circuit ; breaking ; test

真空断路器；直流；电路；开断；试验

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了