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- vacuum switching device 真空转换器件
- vacuum switch device 真空开关器件
- Automatic dehydrating switch device. 脱水自动切换装置。
- A digital switching device in telecommunications for routing lines. 电讯中用于线路路由的数字交换装置。
- Vacuum switch which uses the new type permanent magnetic actuator (PMA), has much higher operating accuracy and reliability. 摘要真空开关利用新型的永磁机构作为操动系统，具有较高的操作精度与可靠性。
- Exchange non-clearane metal oxidate matter arrester is suitabe for the voltage protection of transformer switch cupboard,vacuum switch etc. 交流无间隙金属氧化物避雷器，适用于变压器、配电屏、开关柜、真空开关、输电线路、电力计量箱、并联补偿电容器、旋转电机等电压保护。
- The basic structure and operating process of the surface-flashover triggered vacuum switch(TVS) were depicted. 介绍了沿面击穿型触发真空开关的基本结构和工作过程。
- There are intrelocks between isolating switch、vacuum switch and earth switch to avoid misoperating. 隔离开关、真空开关、接地开关之间互相联锁，以防止误操作。
- The invention discloses an internet media flow transmitting method and system and a switching device. 本发明公开了一种跨网络传输媒体流的方法和系统及一种转换设备。
- The vacuum degree within the vacuum interrupter will have the direct effect upon the properties of vacuum switch. 真空灭弧室内真空度将直接影响真空开关的性能。
- MR Sensor is a more sensitive switching device comparing to Hall ICs, and more stable performance. MR感应IC比霍尔IC有更高的敏感度也有更稳定的磁场感应度。
- The decaying gas pressure in arc extinguish chamber will cause the supply voltage to be beyond the endurance of a vacuum switch. 本文利用自行开发的电场探头研究了真空开关屏蔽罩电位的有效值与真空度之间的关系,得出了相应曲线。
- Solid state relays are typically comprised of an opto-isolator input, which activates a solid state switching device such as a triac, SCR, or FET. 固态继电器通常包括一个光隔离输入，该输入激励一个固态开关器件，例如双向晶闸管、SCR（可控硅）或FET（场效应管）。
- Two main problems in designing the main circuit of switching mode excitation controller are peek voltage and over current of switching device. 开关式励磁调节器主回路设计中需要考虑的两个主要问题是开关器件的尖峰电压和冲击电流。
- It is used in overvoltage such as restrictive transformer, capacitor, electric machinery, vacuum switch, transformer neutral point sealed electrical instruments and cable. 适用于配电、变电系统中,限制可能出现的各种过电压,以保证输变电设备的安全运行。
- Largest switching device of the inspected part of the fixed electrical installation: amperes volts, * [single / three phase]. 固定电力装置受检查部分的最大开关器件为安培伏特，*[单相／三相]。
- The development tendency of vacuum switch in the future is to miniaturize vacuum extinction chamber and develop high voltage vacuum switch and low voltage vacuum switch. 今后,真空开关的发展趋势是真空灭弧室向小型化发展、真空开关向高电压等级和低电压等级发展。
- A transformation plan of adding a switching device and a frequency conver for alternate case is offered so as to strengthen safe reliability. 为加强安全可靠性,提出了增加切换装置变频器互为备用的改造方案。
- Vacuum interrupter is the heart of a vacuum switch, and its withstand ability under high voltage determines directly the main functions of the whole vacuum switch. 真空灭弧室是真空开关的心脏，其耐压特性直接决定着真空开关的性能。
- Vacuum Triggering Tubeis also called as Triggered Vacuum Gap or Triggered Vacuum Switcher, can be widely used in chemical, military device, scientific research, power system testing and so on. 真空触发管也叫真空触发间隙或触发真空开关,可广泛应用与医疗、国防、科研、电力试验等部门和领域。
