In China,there haven t yet any national standard or industrial standard for the insulation parameters of the switchgear assembly of railways.
我国城市轨道交通成套开关装置绝缘参数至今没有可依据的国家、行业标准。
The development of gas-insulated metal-enclosed switchgear (GIS)and compact gas-insulated switchgear (e.
综述了 SF_6气体绝缘的金属封闭式组合电器(GIS)和户外紧凑型组合式开关设备(例如 PAss)等 SF_6气体绝缘开关装置的发展情况,指出小型化和智能化是发展的趋势。
However, the 35kV high voltage switchgears specially applicable to offshore platforms are not available nowadays in China.
随着滩海油田开发规模不断扩大，平台用电负荷急剧增加，供电电压等级也从低压提高到35KV等级，但目前国内尚无专用于海上平台环境的35KV高压开关装置，因此，加快研究适合海上平台环境的35KV高压开关装置满足滩海油田开发的要求是摆在我们面前的一项重要课题。
Design and Electrical Simulation of a New Type of High-current Switching Device
大电流开关装置设计及稳态电场仿真研究
peak making current of pole of switching device
开关装置峰值闭合电流
a point on an electrical device (such as a battery) at which electric current enters or leaves.
电流经过或离开的有关电的装置的尖端。
testing equipment for interrupting capability of switchgear
开关设备断流试验装置
Study on AC on-off Tester of Explosion-roof Electric Switch for Mine
矿用防爆电气开关交流通断试验装置的研究
Reciprocating internal combustion engine driven alternating current generating sets--Part 4: Controlgear and switchgear
GB/T2820.4-1997往复式内燃机驱动的交流发电机组第4部分:控制装置和开关装置
Development of Electrorheological Polishing Device and Path Planning for Electrorheological Polishing;
电流变抛光装置开发与抛光轨迹规划
When you turn a switch, you can easily operate lighting, heating or power-driven electrical devices.
旋动开关，就业能轻而易举地启动照明装置、供热装置和电动装置。
pressure-operated switch waterflow initiating device
压力动作开关水流启动装置
Each unit should include a main switch and ammeter with a scale of about 20 ampere capacity.
每一套装置应包括一个主开关和电流表，电流表的刻度范围约20安培。
Over-Current Protection Device in Low-Voltage Switchgears and Controllers (Ⅰ)--Selectivity Under Over-Current Conditions
低压开关设备和控制设备过电流保护装置(续一)——过电流条件下的选择性
Summary on Switched Reluctance Drive (SRD) Based on ARM
基于ARM的开关磁阻电机控制装置概述
The Research of absorbing Devices of Operation Over-voltage of Vacuum Switch
真空开关操作过电压吸收装置的研究
Design on Low-voltage Feeder Switch Intelligent Protective Device Based on ARM Processor
基于ARM的低压馈电开关智能保护装置
feeding current
馈电电流-电话装置的
Development of the DC Current Blocking Device in Capacitor-resistor for Transformer
变压器直流偏磁电流阻容抑制装置的开发应用
current-limiting overcurrent protective device
限流过电流保护装置
fixed-type metal-clad switchgear
固定型铠装开关装置