Active power Filter (APF) technology is one of the important ways to realize harmonic wave compensation of electrical network and improve the quality of power supply.
有源电力滤波器(简称APF)技术是一种实现电网谐波补偿、改善供电质量的重要方法。
This method has superiority for a large complex electrical network.
矩阵法用于大型复杂电网络，有其优越性。
Finally, the selection of LV electrical apparatus in non grounded electrical network was given.
最后给出了不接地电网中低压电器的选择。
This will help solve the problem of peak regulation for the electrical network in Central China.
这对解决华中电网的调峰问题是有帮助的。
The physical basis of duality is attributed to the analogy of energy distribution in the electrical network.
本文论证了电网络中对偶性的物理基础是能量分布相似性。
Therefore, improving and raising the operation quality of electrical network must compensate the reactive power.
因此，改善和提高电网运行质量，必须对电网进行无功功率补偿。
Coal substation is the joint of the electrical network which has many kinds of loads, and high request of security condition.
煤矿变电站作为负荷种类多，安全条件要求高的电力网络连接点，其自动化水平显得尤其重要。
Because of the severe pollution of electrical network harmonic, the harmonic restrain has become an important task of power supply bureau.
由于电网谐波污染严重，对谐波的抑制已成为供电部门的重要任务。
In an electrical network, unbalanced and harmonic currents generated by nonlinear and unbalanced loads can cause harmonics and unbalanced voltage.
电网中，由非线性和不平衡负载引起的不平衡和谐波电流将造成谐波和不平衡电压。
The electrical network reconfiguration of shipboard power system (SPS) is one of the most important methods to restore power supply and improve survivability.
舰船电力系统(SPS)的网络重构是恢复系统故障、提高舰船生命力的重要途径之一。
In order to overcome the destruction of the electrical network disturbance to the current collector, at present UPS is widely used as a sensitive power supply.
为了克服电网干扰对用电设备的破坏，目前广泛采用UPS为敏感的用电设备供电。
The favorable influences include producing clean energy, channelization of waterway, regulating Guangxi electrical network system and improving network quality.
工程建设产生的有利影响主要体现在产生清洁能源、渠化航道，起到调整广西电网系统、提高电网质量的作用。
With the classical sensitivity analysis method, this paper presents a analytical method which is based on the interval algorithm in the electrical network design.
在电网络的设计中，结合经典的灵敏度分析方法，文章提出了一种基于区间算法的分析方法。
The equipment solves mainly the resonance problem in compensation, makes power factor be more than 0.9, and restrains the harmonic in electrical network effectively.
此装置主要解决了补偿中的谐振问题，并使电力系统的功率因数提高到0 . 9以上，同时有效抑制了供电网的谐波。
ANN control strategy can make the voltage of generators stable in the course of load changed, load uninstalled, electrical network fault and generator fault and so on.
ANN控制方法能使发电机在负荷变化、甩负荷运行、电网故障以及发电机故障等各种工况条件下，发电机端电压保持稳定。
KIWA synthetic power saver with his unique structure form eliminates higher harmonic of the electrical network by way of the balance in adjusting three-phase current and voltage.
KIWA综合节电装置以其独特结构形式，通过调整三相电流和电压的平衡，消除电网高次谐波。
Singlechip AT89C52 was adopted by intelligent real available value voltage-monitoring apparatus to sample N times for the electrical network voltage between equal spaces in one cycle.
智能型真有效值电压监测仪，采用AT89C52单片机，在一个周期内对电网电压等间距采样N次。
According to the basic principles of hydromechanics and the electrical network theory, a new method named network matrix approach is presented in this paper to calculate ventilation system.
本文依据流体力学的基本原理和电路中网络理论提出一种新的通风系统计算方法——网络矩阵法。
This article explains main factors to influence power factor in electrical network, common methods of reactive compensation in low voltage network, and the benefits of reactive compensation.
文中分析了影响电网功率因数的主要因素、低压电网无功补偿的常用方法及无功补偿的效益。
After analyzing the relations between graph matrices of dual electrical network a method of plotting the latter which is different from usual geometrically drawing method is presented in this paper.
本文从互为对偶的电网络的线图矩阵间关系的分析，得出求作对偶电网络的矩阵法。它异于常用的几何作图法。
The active filter based on dual DSP can improve the performance of filtering, restrain the resonance between LC circuit and electrical network, and improve dynamic performance of compensation system.
采用基于双dsp结构的有源滤波器可以大大改善滤波性能，并能抑制LC电路与电网之间的谐振，提高补偿系统动态性能。
At the same time, combines to the transmission coefficient among different voltage classes, through a series of simulations, does researches on the flicker transmission rule in the electrical network.
同时，结合闪变在不同电压等级间的传递系数理论，通过一系列的仿真，研究闪变在电网中的传递规律。
Electrical network flashing will threaten the safe operation of flue gas expander-main blower set in FCC unit.
电网闪络威胁到催化裂化装置烟气轮机-主风机组的运行安全。
Manufacturer shall provide mechanical, electrical, network communication and environmental specifications.
厂商须提供机械的、电力的、网络通讯和环境的规范。
Manufacturer shall provide mechanical, electrical, network communication and environmental specifications.
厂商须提供机械的、电力的、网络通讯和环境的规范。
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