An expert system of voltage and reactive power control for substation is presented.
提出了一个变电站电压无功综合控制专家系统。
An algorithm for voltage and reactive power control device based on expert system is proposed.
提出了一种基于专家系统的变电站电压无功控制装置设计方案。
The difficulty of rectifying strategies for voltage and reactive power control devices is solved w…
实现了动作策略可编程，彻底解决了电压无功控制装置策略修改的困难。
The voltage and reactive power control system can improve voltage quality and reduce the active power loss.
电压无功控制系统对于提高电压质量，降低电网的有功损耗有着重要的意义。
In this paper, reactive power control system is developed and designed based on existing power management platform.
本文在已有的县级调度平台基础上，开发设计了电压无功综合控制系统。
The voltage and reactive power control system for substations can improve voltage quality and reduce the active power loss.
变电站电压无功控制系统可提高电压的质量和降低电网的有功损耗。
Secondly, the instantaneous reactive power theory and it 's application to reactive power control and detection are introduced.
其次，论文还介绍了瞬时无功功率理论及其在无功控制和无功检测方面的应用。
Five-zone theory is of voltage and reactive power control (VQC), different from the classic nine-zone theory in control target.
五区图控制理论是一种控制对象与传统九区图完全不同的电压无功综合控制(VQC)原理。
The software structure of the reactive power control system is designed and dynamic reactive power optimization model is established.
设计了无功优化控制系统的软件体系结构，建立了动态无功优化数学模型。
To reduce the impact of icing on a power grid, a method based on the controllable line losses by reactive power control is presented.
为减小覆冰对电网正常运行的影响，提出了一种输电线可控线损防覆冰无功优化控制方法。
Through analysis of classical DPC, a new switch table can be deduced which promote the efficiency of reactive power control of PWM rectifier.
通过对传统直接功率控制的分析，推导出一个新的开关表，可以显著地改进PWM整流器的无功功率控制性能。
Aiming at the problems existing in present voltage and reactive power control device of substation, puts forward a reactive power control project.
针对现有变电站电压、无功控制装置存在的问题，提出了一种电压无功控制方案。
Reactive power control system of county grid is a very beneficial tool to reduce the loss of active power and upgrade the level of voltage of county grid.
县级电网电压无功综合控制系统是进一步降低电网有功损耗、提高县级电网电压水平的有效措施。
Main circuit configuration and integrated voltage-reactive power control scheme for balancing compensation with cascade inverters based STATCOM is proposed.
给出了采用链式STATCOM实现平衡化补偿的主电路结构及电压-无功综合控制方法。
Two kinds of main circuit configuration and integrative voltage reactive power control scheme for balancing compensation with single phase STATCOM are proposed.
提出了采用单相statcom实现平衡化补偿的两种主电路结构及电压无功综合控制方法。
Based on the theoretical study and analysis of super short time load forecasting, this paper proposed voltage and reactive power control strategy based on super short time forecasting.
通过对超短期负荷预测理论的分析和研究，提出了基于超短期负荷预测技术电压无功控制策略。
A scheme of implementing the intelligent regional voltage and reactive power control (VQC) system in the control center is presented to solve the limitations of VQC system in substations.
针对目前变电站电压无功控制系统存在的缺陷，提出了在调度端实现智能区域电压无功控制的系统设计。
One of the reason leading to a blackout is reactive power that went out of the control.
其中导致停电的一个主要的原因就是无功功率失去了控制。
The control of voltage and reactive power are inseparable.
电压控制和无功功率的控制是分不开的。
In this paper, we propose and discuss two new control methods for three phase shunt APFs: the sinusoidal line current control method and the instantaneous reactive power compensation control method.
本论文提出三相并联型有源滤波器的两种新的控制方法，即正弦波化控制和瞬时无功功率的控制方法。
The study on shunt active power filter, which is a novel device compensating harmonics and reactive power current simultaneously, is the focus in the field of power quality control.
并联有源电力滤波器作为一种新型的谐波、无功综合补偿系统，是电能质量控制领域中的研究热点。
So reactive power and voltage control in modern power system is a very important problem that need to solve well.
所以，现代电力系统中的无功功率与电压控制是一个非常重要的问题，需要很好地解决。
A method of current detect and control for the new active power filter (APF) is presented, which has the ability of canceling harmonic and compensating reactive power at the same time.
提出了一种新型的有源电力滤波器电流检测和控制方法，在补偿谐波电流的同时还可以进行无功补偿。
SVC is used in power system for the purpose of reactive power support and voltage control. Wide area measurement system (WAMS) has been widely used in modern power systems.
SVC已经广泛应用于电力系统的无功支持和电压控制，广域测量系统在国内外也已有许多工程应用。
By means of field oriented control, the decoupling control of active power, reactive power of the system is realized.
采用定子磁场定向的控制方法，实现了有功、无功的解耦控制。
The specific assignment of the task is to provide control system for the equipment about reactive power compensation, to ensure the system run steadily and reliably.
本课题的具体任务是为无功补偿装置提供控制系统，以保障系统稳定、可靠的运行。
This paper mainly introduces the power factor control method, reactive power(reactive current) control method, the performance and the applications of the dynamic & static compensation equipment.
文章主要介绍了静、动态补偿装置，其功率因数控制方式、无功功率（无功电流）控制方式、性能及应用场合。
UPFC (Unified power Flow Controller) is always used to control the active and reactive power of transmission lines.
统一潮流控制器(UPFC)可以有效控制线路的有功和无功功率。
This article has discussed the system structure and the control strategy of the voltage and reactive power coordinated control system.
本文对电压无功协调控制系统的结构和控制策略进行了研究。
This article has discussed the system structure and the control strategy of the voltage and reactive power coordinated control system.
本文对电压无功协调控制系统的结构和控制策略进行了研究。
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