查询词典 electric power

E. providing with propersmall size low-voltmp power capacitor near the electric motor to lvalize the wattless power compensation of the motor.

简述了电动机无功就地补偿技术的原理和优点，给出了最佳补偿功率团数的确定、补偿电容器无功量的计算方法，以及无功补偿器保护设置和安装原则。

Starting with the traits of zero order impedance and the relationship between zero order current and zero order impedance,analyzes the main differences of electric traits of power cable s and aerial lines and the disadvantages of applying power cable s into the traditional grounded protection.

从正、负、零序阻抗特性以及零序阻抗与零序电流的关系入手，分析了架空线路与电力电缆电气特性的主要区别及传统接地保护应用于电力电缆线路所带来的弊端。

Starting with the traits of zero order impedance and the relationship between zero order current and zero order impedance,analyzes the main differences of electric traits of power cables and aerial lines and the disadvantages of applying power cables into the traditional grounded protection.

从正、负、零序阻抗特性以及零序阻抗与零序电流的关系入手，分析了架空线路与电力电缆电气特性的主要区别及传统接地保护应用于电力电缆线路所带来的弊端。

It is introduced that harmonic current in the electric network and harmonic current detecting method based on instantaneous reactive power theory in the paper,and then it presents the current detecting method in the anisomerous mains voltage,aberrance circuit based on instantaneous reactive power theory .

通过对电网谐波和瞬时无功功率理论在谐波检测中应用的分析研究，作者给出了基于瞬时无功功率理论的检测方法在电网电压不对称、存在畸变时的电流检测方法。

" China runs a newspaper ": Division force real estate had come true to borrow housing to appear on the market now, does division power electric equipment have business dealings between datival power real estate?

中国经营报》：格力地产现在已经实现了借壳上市，格力电器与格力地产之间有没有业务往来？

C. electric parameters measurement. The means and conditions to reestablish the signal without distortion are also given. At last, this paper discusses the theoretical basis for power, RMS and harmonics phase measurements of power system directly from the Harr wavelet matrix transform data associated with each sampling voltage and current element pair.

本文针对电力系统特点，分析了非均匀采样的数字频谱结构及非均匀采样周期信号的数字谱表达式，并讨论了非均匀采样对交流电量参数测量的影响，给出了非均匀采样无失真恢复信号的方法和条件。

Hydroturbine governor is one of the important controlling devices in the hydro power plant, and its performance exerts important influence on the quality of electric energy and the operational reliablity of the hydro power plant.lt is an active subject to research some technology and selection for hydroturbine governor.

水轮机调速器是水电厂的重要控制设备，其性能的好坏直接影响着电能品质和水电厂的安全经济运行，对水轮机调速器的若干技术及选型进行研究，具有十分重要的现实意义。

So data communication through power line need not to impropriate wireless channel resources and pave definite-purpose communication line. It also can take full advantage of electric facilities and exert power resources.

利用它进行数据通信，传递各种信息，不占用无线频道资源，亦无需铺设专用通信线路，省工、省钱、维护简单，从而能够充分利用电力设施，发挥电力资源优势，发展电力通信产业。

In accordance with the ageing of most electric equipment s of the mining area of Jiaozuo Mining Group,the lower natural power actor and the increscent energy cost per ton,the method of improving the natural power actor was introduced.

针对焦煤集团矿区的大部分用电设备的自然功率因数都较低，设备老化，吨煤能耗增大等问题。

The misaction and nonaction of protection can bring the immeasurable loss for power plant and power system .So the fault analysis of the unit have been a problem for a long time that worker have to face. However some recorder of unit can only matriculate the waveform such as the analysis and calculate of electric parameter that the worker want to know , find the cause of fault correctly, analysis and appraise the action of protection and automechanism.

发变组作为电力系统中重要的电力设备，尤其是大型机组，同时配套有大量不同工作原理的保护，运行工况复杂，相对事故率较高，故障种类多，故障原因各异，故障的分析、判断更加困难，对机组的安全和稳定运行极其重要，保护装置的拒动或误动，都会给发电厂或电力系统带来不可估量的损失。

If you are unfortunate enough to the lovelorn, please tell me, I will help you out, really, please contact me!

如果你不幸失恋了，请告诉我，我会帮助你摆脱困境，真的，请联系我啦！

China's plan to cut energy intensity by 20 percent and pollutant discharges by 10 percent between 2006 and 2010 is a case in point.

中国计划在2006年到2010间降低20%的能源强度和减少10%的主要污染物排放，就是一个这样的例子。