电能

In order to improve the power quality of distribution network system, one of the most effective methods is reactive power compensation. In this paper, the Distribution Static Synchronous Compensator for reactive power compensation was studied, and then the digital controller based on One-cycle control was designed. The waveforms of experimental device based on DSTATCOM of one-cycle control were given in this paper. It can be seen from the results that the fluctuation of DC capacitor voltage is lower, the dynamic response speed of DSTATCOM providing or absorbing reactive power is fast, and the accuracy of steady-state compensation can achieve the requirements of reactive power compensation in engineering basically

为了提高配电网系统的电能质量，对无功功率进行精确补偿是非常有效的方法之一；本文研究了配电网静止同步补偿器用于无功补偿，并设计了单周控制的数字控制器；文中给出了基于单周控制的DSTATCOM无功补偿试验装置工作过程中的波形曲线，从试验结果可见，本文设计的单周控制DSTATCOM无功补偿装置的直流侧电容电压在工作过程中波动较小，装置发出或者吸收无功功率的动态响应速度较快，稳态补偿精度基本能够达到工程中无功补偿的要求。

Solar energy in photovoltaic system is a mode of electric power generation directly which use solar cell of electronic device of semiconductor to generate power by absorbing solar radiation energy effectively and make it to change electrical energy,it is a principal way of dealing with energy shortage and protecting the environment against pollution to exploit and make use of solar energy which is regenerative and clean to generate electrical energy.

太阳能光伏发电是利用太阳能电池这种半导体电子器件有效地吸收太阳光辐射能，并使之转换成电能的直接发电方式。开发利用太阳能这种可再生的清洁能源发电是解决能源短缺、保护环境的重要途径。

Wind energy conversion system is a complicated field refers to electrical machine, power electronic, electrochemistry, material, mechanics, aerodynamics, computer, automation, aerograph and etc.

摘 要：风力发电电能变换装置用于风力发电后电流的整流逆变，及对蓄电池充电的一个装置，提供稳定的交流电给负载。

With the growing energy requirements, compressed air is second only to power one of the important energy.

随着日趋增长的能源要求，压缩空气是仅次于电能的重要能源之一。

An energy supplying method using air-breathing proton exchange membrane fuel cell was proposed for robot.

提出用空冷型质子交换膜燃料电池堆为机器人驱动电机供给电能。

If the airburst mechanism fails, or the round strikes an object before 1.8-2.4 seconds, the stored electrical energy within the fuze will be discharged, so leaving a bud with no means to initiate the fuze.

一旦空爆机构失灵或该弹在1.8～2.4秒以前撞击目标，则引信中储存的电能将被释放，这样的哑弹将无法起动引信。

Daily demand for electricity by 120, 000 kilowatts -- enough to supply the entire city of Albany

天写字楼1，700 万英尺办公面积的增加使电能的最高日需求量提高了120，000 千瓦。这

Electric energy metering technology is an elective course of electrical engineering and automation.

电能计量技术是电气工程及其自动化专业的一门选修课程。

On the basis of the theory, a power quality analyzer is designed and developed.

因此对电能质量进行检测与分析具有重要的意义。

This article also simulated the influence of ZnO arrester based FCL on power quality.

本文还通过仿真分析了ZnO避雷器式FCL对配电网电能质量的影响。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。