查询词典 feedback circuit

On the basis of the analysis to the short circuit malfunction in domestic underground high voltage power network the paper deeply studied the relevant protection principle and the approach for improving the sensitivity and reliability of short circuit protection in underground high voltage power network designed the new type computerizable protection scheme of selective and rapid short circuit in underground high voltage power network with computer communication and logic identification technology Computer .

在分析我国井下高压电网短路故障的基础上，深入研究相关的保护原理及提高井下高压电网短路保护灵敏度和可靠性的方法，设计出新型的利用计算机通信与逻辑识别技术的井下高压电网微机选择性速断短路保护方案，将微机保护应用于煤矿井下高压电网，通过多机通信，逻辑判断判定线路故障段，从而做到快速的，有选择性的切断故障线路，避免煤矿井下高压电网因越级跳闸而造成大面积停电。

Digital Motor Control Development Board technical documents, including driver circuit, the circuit detection circuit.

电机数字控制开发板的技术文档，包含驱动电路，检测电路的电路图。

Design the key circuits to realize X processors low power strategy, which include the circuit used to stop clock, the circuit of the microcode engine unit, frequency-dividing circuit and clock driving unit.

设计了与X处理器功耗控制相关的关键电路，包括包括停止时钟电路、微码部件电路、时钟驱动模块、分频比电路等； 4。

E. the jointless track circuit and the electric traction track circuit with asymmetrical line parameters, the simulation modeling of track circuit interference from local line is also analyzed.

基于电化区段线路不对称轨道电路和无绝缘轨道电路同线干扰的特性分析，提出同线干扰分析数字仿真模型的建立方法。

By the author of the main circuit design, control circuit design,MCU trigger circuit design, and supporting a complete circuitdesign to meet the requirements of the elevator shaft DC drivecontrol system.

作者通过对主电路的设计，控制电路的设计，单片机触发电路的设计以及辅助电路的设计完成了符合要求的矿井直流提升机传动控制系统。

The module has function of short-circuit,when the module output short-circuit,output by limited current,exclude the factor of short-circuit,the module return to normal output automatically.

模块具有短路保护功能。当模块输出短路时，限流输出。短路因素排除后，模块自动恢复正常输出。

In the same time,main circuit figuration and working principle will be given,and worked out the parameter of this circuit S transformer and RCD clamped circuit.

给出了电路的主电路图，在此基础上阐述了此电路的工作原理，并分析计算出了变压器和RCD缓冲电路设计的参数。

Next, the finite element model of induction motor is established by using Maxwell 2D transient module, and the inverter control circuit is also designed by its own circuit design editor. Consequently, a complete field-circuit coupled simulation model of inverter control system is presented.

接下来，利用Ansoft公司的Maxwell 2D瞬态模块建立了异步电动机的有限元模型，并且采用其自带的电路编辑器Schematic Capture设计了异步电机逆变器控制电路，构建了一个完整的变频控制系统场路耦合仿真模型。

Professional manufacturing: electrical circuit board Flashboard frame heat pipe, titanium heating tube, Teflon heaters, precision oven, circuit board hanging tool, circuit board tunnel furnace, SMT equipment, titanium blue.

专业生产制造：电线路板插板架热管、钛加热管、铁氟龙加热器、精密电烤箱、电路板挂具、电路板遂道炉、SMT设备、钛蓝。

The results show that the fluidization characteristics of scrap printed circuit board particles depend on the average size and type of particles. The scrap printed circuit boards particles, belonging to Geldart A group with strong viscous force, whose fluidization was similar to fluidization of Geldart C, was difficult to fluidize. Whereas, the scrap printed circuit board particles belonging to Geldart B can be fluidized smoothly.

实验结果表明，电路板塑料颗粒为Geldart A类颗粒时，粘性力大，塌落特性明显，流化性能较差，具有拟C类颗粒的流化特性；电路板塑料颗粒为B类颗粒时，塌落特征不明显，并且随着粒径的增大，最小流化速度也增大。

A carrier gas such as nitrogen is directed through line 20 and valve 22 to connect with line 26 and mix with the gas sample.

如氮气之类的载体通过管线20和阀22引入，与管线26相通，与气体样品混合。

But for the most part, knaves and parasites had the command of his fortune

然而支配他的家产的大多是恶棍和寄生虫。