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- high vacuum switch 高压真空开关
- The whole apparatus operates under high vacuum. 整个装置在高真空下运转。
- 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。
- 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。
- To preserve(food,for example) by rapid freezing and drying in a high vacuum. 使冷冻干燥通过在高度真空状态下迅速冷冻并干燥来保存(如食物)。
- To preserve(food, for example) by rapid freezing and drying in a high vacuum. 使冷冻干燥通过在高度真空状态下迅速冷冻并干燥来保存(如食物)
- ZJA series double-stage high vacuum transformer oil purifier applies for filtrating and dehydrating transformer oil, mutual conductor oil, switch oil and other kinds of insulation oils. zja系列双级高真空变压器油净化器适用于过滤和脱水的变压器油,相互导体油,开关油和其他种类的绝缘油。
- In high vacuum state,the damp water in leather can be largly pumped. 由于皮张处于高真空状态,水分抽出量增大,可缩短干燥时间令产量上升;
- The cubage of the tube is small and high vacuum will be got very quickly. 计算结果表明:二极管的工作场强低于真空闪络场强;
- 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。
- high vacuum switching tube 高真空开关管
- 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 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。
- A high vacuum in the fuel tank can cause atmospheric pressure to collapse the tank. 燃油箱内的高真空,会引起大气压力压塌油箱。
- 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。
- Used either solely as Rough Pumps, or in combination with other high vacuum pumps as Backing Pumps. 可单独作低真空泵用,也可与其它高真空泵组合作前级泵用。
- Leakage and degassing rate is an important parameter to evaluate the performance of high vacuum multi-layer insulated dewar. 漏放气速率是评价高真空多层绝热杜瓦性能的一个重要指标。
- 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。