In this program the voltage and current of simultaneous faults or unbalanced power system are calculated by solving the simultaneous equations of multi-port network and of the fault boundary.
本程序应用多端口网络方程和故障端口边界方程联立求解的方法，计算电力系统各种多重故障及任意不对称运行的电压和电流。
This paper is focused on a shunt active filter based on detection of harmonic voltage to attenuate harmonic propagation in a power distribution network and its installation site selection.
本文着重论述了基于电压检测的并联型有源滤波器在放射状配电网谐波抑制中的应用及其安装点的选择。
This paper introduces the selection and scheme demonstration of higher voltage class in Northwest China Power Network, and conclusions made by main research institutes and experts' comments.
本文介绍了西北电网高一级电压选择和论证工作情况，主要研究单位的结论，以及专家评审意见。
Aiming at the current and voltage impulse problems in a high power pulse forming network with capacitor energy storage system, the equivalent circuit model of the pulse forming network is established.
针对电容储能高功率脉冲成形网络工作过程中存在的电流和电压冲击问题，建立了脉冲成形网络的等效电路。
Along with the continuous development of power system network and the continuous enhancement of voltage grade, the request is enhanced correspondingly to the fault phase selector.
随着电力系统网络规模的不断扩大和电压等级的不断提高，对故障选相装置的要求也不断提高。
Ultra-high voltage transmission line will be the main frame of power network in China.
交流特高压输电线路是我国未来统一电网的骨架。
The actual application shows that this system can improve the voltage level for each node of the whole power grid efficiently, reduce network loss, and produce better benefits.
实际应用表明，该系统可有效提高全网各节点的电压合格率，减少网损，能产生较好的经济和社会效益。
Reactive power supply programming in distribution network can improve voltage and decrease power loss, it is important for the running of systems more safe and economical.
配电网无功电源规划能够有效地改善电压水平、降低网损，对系统安全经济运行具有重要意义。
Through this paper, the low-voltage power line network and channel characteristics are researched. The noise and attenuation characteristics of power line channel are measured and analyzed.
本文首先分析了低压电力线网络的特点及信道特性，对电力线信道的噪声和复衰减特性分别进行了测量及分析。
Optical Fiber voltage Sensor can be applied to monitor and measure the voltage of the power network.
光纤电压传感器可以用于电网电压的监测和保护。
The automatic control system is put forward, which is about reactive voltage centralized optimization of county class power network.
提出了县级电网无功电压集中优化自动控制系统，其优化目标是各变电站电压合格率及网损优化。
The collector voltage of the switching transistor is determined by the voltage of the power network.
晶体开关管的集电极与发射极间的电压取决于电网电压。
During the power oscillation of a power system, a damping active power is injected into the network from the DFIG machine via regulating the rotor excitation voltage Angle.
在系统发生功率振荡时，通过改变转子励磁电压的相角调节双馈变速风电机组输出与振荡相关的阻尼功率，达到使风电场能够改善系统阻尼的目的。
Reactive power optimization of power network is an important problem which directly influences voltage quality of the system as well as which relates to economical operation of power network.
对电网进行无功电压优化，是一个既直接影响系统电压质量，又关系到电网经济运行的重要问题。
It is very necessary for economic run of electric enterprise to decrease network loss and to optimize the node voltage through the real-time online control of reactive power optimization.
通过在线无功优化，降低网损、保证电压质量，对供电企业的经济运行是非常必要的。
The thesis researches a kind of transformer which regulates automatically to stabilize output voltage in distributing power network.
本课题研究的是一种具有自动稳定输出电压功能的配电变压器。
Through power flow calculation of tie lines, the effects of the changes in generation, load and network structure on the voltage quality and safe and economic operation of the system can be analyzed.
通过联络线的潮流计算，可以分析发电出力和负荷以及网络结构的改变对系统电压质量和安全经济运行的影响。
In reactive power optimization, the solution infeasibility may arise due to a variety of reasons such as restrictive voltage limits, change in network topology, and shortage of reactive power sources.
在无功优化计算中，由于严格的节点电压限制、网络拓扑的变化或无功电源的不足等多种原因可能会导致原问题不存在最优解。
Since more and more nonlinear equipments have been used in the power supply network, the generated high harmonics current leads to waveform distortion of voltage and current in the supply network.
由于电网中非线性设备的使用日益增多，所产生的高次谐波电流大量注入电力线路中，使得电网电压、电流波形发生畸变。
The inductive voltage of the thunder and lightning and the produced disturbance voltage when the inductive load turns on or is separated from the power network is main disturbance pulse voltage.
雷电感应电压和感性负载接入或脱离电源电路时所产生的干扰电压是电源网主要的干扰脉冲电压。
From the viewpoint of propagation of transient voltage and current in distribution network, the transfer characteristics of two-way power frequency signals in distribution network are analyzed.
从暂态电压和电流在配电网中传播的角度，分析了双向工频通信信号在配电网中的传输特性。
The automatic control system is put forward, which is about reactive voltage centralized optimization of county class power network.
针对地区电网辐射状运行的特点，提出了一种实用的无功电压控制算法。
Urban medium-voltage distribution network, one of the most important parts of power system, is expected to distribute electric energy to consumers with considerable security and reliability.
城市中压配电网是整个电力系统的重要组成部分，其功能是将电力安全、可靠地分配到用户。
But with power system enlarged, the tightness of network interlinks, and enhanced complexity degree of system, security and steady problems of voltage emergence.
而电力系统规模的不断扩大，电网互联紧密程度不断加强，系统复杂程度不断提高，系统的电压安全稳定问题却越来越突出。
The surge load of Synchronous Radiation Fitting(SRF) power supply system may cause voltage fluctuation of distribution network.
同步辐射装置（SRF）供电系统的冲击负荷会引起配电网络电压波动。
The results show that much techno-economic benefits can be obtained by using new control strategy of reactive power-voltage and extending the utilization of FACTS controller in distribution network.
论文的研究结果表明，在配电网中，采用新的无功电压控制策略和应用FACTS控制器可以获取很好的技术经济效益。
It can calculate the power losses of each feeder rapidly and correctly and provide reliable foundation for the analysis and management of the power losses in low voltage distribution network.
该系统能适应弱环网等复杂的配网运行方式，并能快速准确地计算出低压配网中每条馈线的功率损耗情况，为低压配网线损的分析与管理提供可靠的基础。
The voltage regulation action of controlled reactor in distribution network is introduced. It can effectively control the variety of network voltage and improve the quality of power supply.
介绍了可控电抗器在配电网中的调压作用，它可以有效抑制电网电压的波动，改善供电质量。
The recent developments of neutral point ground modes of medium-voltage power network and variety of national related standards are presented.
阐述了中压电网中性点接地方式的近况，国家有关标准的变化，企业应从中吸取有益的东西。
The recent developments of neutral point ground modes of medium-voltage power network and variety of national related standards are presented.
阐述了中压电网中性点接地方式的近况，国家有关标准的变化，企业应从中吸取有益的东西。
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