查询词典 power-driven

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。

The power of the engine can be transmitted to driving axle directly by the electromagnetic force, and only part of power is converted from mechanical energy into electric energy, so the power losses in energy conversion can be reduced.

其特点是：发动机独立于车轮运转，可始终在高效区工作；发动机的动力主要通过电磁力直接传给驱动桥，仅有少部分动力经过机械能－电能－机械能的转换，降低了能量转换过程中的损失；且该系统兼备无级变速器的功能。

Two power module should be power supply at the same time with adopt dual power module.

电力电源模块应在同一时间以采取双电源模块。

Power supplier indicates battery and dynamotor; power consumer includes the starting system of the engine, gasoline engine, and ignition system and some other power consuming equipment.

电源包括蓄电池和发电机；用电设备包括发动机的起动系，汽油机的点火系和其它用电装置。

SN54LS596J is a monolithic, high-voltage, medium-current power logic 8-bit D-type latch, with eight positive edge-triggered D-type flip-flop, there is a direct clear-side, each flip-flop is the drain Open power DMOS transistor output, can provide 150mA continuous current, for the need for relatively high load power system design.

SN54LS596J是一种单片、高电压、中等电流的功率逻辑8位D型锁存器，具有8个正边沿触发的D型触发器，有一个直接清零端，每个触发器都是漏极开路功率DMOS晶体管输出，能提供150mA连续电流，专为用于需要相对高的负载功率的系统设计。

With the development of energy conversion technology, the PWM rectifier has attention much focus in the field of power electonics. Because of the function of harmonic elimination and power factor correction, the PWM rectifier can be used as an ideal network between equipment and power system.

随着绿色能源技术的发展，PWM整流技术成为电力电子技术研究的热点和亮点，PWM整流器可以成为理想的用电设备或电网与其他用电设备的接口，因为它能够实现电网污染治理和可调节功率因数。

With the need of the modern city development, at present, more and more the middle-low voltage power supply networks transport the electric power from trolly wire to electric power electric cable.

随着现代化城市建设的需求，目前，越来越多的中低压配电系统由架空线转化成电力电缆输送电能。

In power generation, Power Systems offers the instrumentation, control and electrification of power plants.

在向全球提供产品的同时，ABB也重视在各个国家的实际应用和服务。

In the power supply circuit, series power supply and the adjustment of the series load, the load current flows through all of the adjustments, and transistors Guozainaili worse, once output overload or short circuit, the input voltage increases in the full set of adjustment an emitter, the current surge to adjust the fierce heat, if not over-current protection measures at this time, the adjustment will be burned, power Zhengliuguan also will be greatly threatened or damaged.

中文摘要：在稳压电源电路中，串联型稳压电源的调整管与负载串联，负载电流全部流经调整管，而晶体管的过载能力较差，一旦输出端过载或短路，输入电压全部加在调整管集---射极间，其电流剧增，使调整管猛烈发热，如果此时没有过流保护措施，调整管就要被烧坏，电源整流管也将受到巨大威胁或损坏。

The development and reform process of Indian electric power industry are presented,and the whole scheme of Indian electric power industry reform before and after the enaction of "2003 Electric Power Act" is illuminated.

概述了印度电力工业的发展状况和改革历程，并以《2003电力法案》为时间界线，阐述了印度电力工业改革的整体方案，介绍了印度电力工业的交易模式，包括市场准入规则、邦间电力交易和电力监管情况等。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。