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- secondary switching element 二次开关元件
- This paper deals with a new type square wave power supply for A.C. arc welding in which very fast switching element IGBT is used for its inverter. 研究了以开关速度很快的IGBT作为逆变元件的交流方波弧焊电源。
- The switching element consists of a thin metallic membrane, which has the metal-isolator-metal contact with a capacitive shunt switch as SPST. 开关为一薄金属膜桥组成的桥式结构,形成一个SPST并联设置的金属-绝缘体-金属接触。
- The power control circuit comprises a delay circuit, a potential converter and a switch element. 电源控制电路包括延迟电路、电位转换器,以及开关元件。
- The PDP driving apparatus includes a high side switch element and a low side switch element which are electrically coupled in series. PDP驱动装置,包含被电性串联连接的高端开关元件和低端开关元件。
- The operating principle of a bridge type Pulse Width Modulation(PWM) power source,driving of switch element IGBT,overvoltage and overcurrent are briefly described in the paper. 概述了桥式脉冲宽度调制(PWM)功率源的工作原理,以及开关元件IGBT的驱动、过压、过流保护等问题。
- The bidirectional switch element is an element which can conduct current of a same direction when connection and not conduct current of different directions when disconnection. 双向开关元件,是接通时至少可以使一个方向的电流导通、断开时则不使双向的电流导通的元件。
- Voltage switching type SPD generally composed of discharging gap, gas discharging tube, thyratron (silicone controllable rectifier) and three-ending bidirectional silicone switching element. 电压开关型SPD常用的元件有放电间隙、气体放电管、闸流管(硅可控整流器)和三端双向可控硅开关元件。这类SPD有时也称作“短路型SPD”。
- First-generation computer A computer that used vacuum tubes as switching elements. 第一代电脑采用真空管做开关元件的电脑。
- First-generation computer: A computer that used vacuum tubes as switching elements. 第一代电脑:采用真空管做开关元件的电脑。
- I groped for the light switch in the dark room. 我在黑暗的房间里摸索着找电灯开关。
- metallic speech-path switching element 金属接点式话路开关元件
- The noncrystalline material is used as the iron core of transformer and MOS-FET is employed for the main circuit switch elements. 该电源选用了非晶态磁性材料作为高频变压器的铁心;采用场效应管作为逆变器的开关元件;
- Her age is of secondary interest. 她的年龄不太重要。
- To contain as a secondary or subordinate element. 含有作为次要的、附属的成分而包含
- In secondary school, children get more advanced knowledge. 在中学,孩子获得更深一些的知识。
- I grope for the light switch in the dark room. 我在黑洞洞的屋里摸索著寻找电灯开关。
- A secondary matter; a side issue. 次要的第二位的事; 较次要的问题
- The switch on the kettle won't stay down. 这个水壶上的开关按下时卡不住了。
- A secondary mine passageway between two main shafts or tunnels. 次要矿山甬道矿井中连接两条大隧道的小巷道