本文建立了农村配电网无功补偿优化规划的模型。
The mathematical model of optimal reactive power planning on rural power distribution network has been established in this paper.
简述农用电网无功补偿的重要性,补偿方式及其原则。
Generally stated the important of rural use electric network reactive compensation and the way and principle of compensation.
介绍了临汾电网无功补偿设备的基本情况,提出了无功电压管理措施。
This paper introduces the basic situation of the reactive-load compensation equipment of Linfen power network, and advances some measures for the reactive voltage management.
本研究以电网无功补偿改造为背景,研制了一种低压无功功率补偿控制器。
This thesis is to design a controller which can adjust the electric power wire's reactive power which is under the background of the reconstruction of the wire's reactive power compensation.
城市配电网的规模巨大,因此配电网无功补偿对降损节能,改善电压质量意义重大。
Urban distribution scale bigness, so compensation of reactive power in urban distribution is very important for detract consume, economy energy sources, ameliorate voltage quality.
通过对无功补偿优化配置方法的分析,提出了适合地区电网无功补偿优化配置的方法。
The method of optimal reactive power compensation is analysed, a applicable approach of optimal reactive power compensation is presented in the regional power network.
摘要城市配电网的规模巨大,因此配电网无功补偿对降损节能,改善电压质量意义重大。
Urban distribution scale bigness so compensation of reactive power in urban distribution is very important for detract consume economy energy sources ameliorate voltage quality.
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。
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.
变电站无功补偿控制一般方法是通过检测母线上电压电流值,控制投切电容器组实现电网无功补偿。
In most substations, detecting the voltage and current and shunt capacitors is the method used for local reactive power compensation.
采用灵敏度分析的方法,计算出清远电网无功补偿的容量及补偿地点,从根本上改善了清远电网电压的异常。
The capacity and sites of re active? Load compensation in Qingyuan power system are given using the sensitivity analysis. After reactive compensation, the voltage of the power system is improved.
针对农村配电网的具体状况,说明对农村配电网进行低压无功补偿的必要性及其重要意义,并提出了农村配电网无功补偿的最佳方法。
In light of the actualities of rural power distribution network, this paper describes the necessity and the best means of low voltage reactive power compensation for rural distribution network.
有源电力滤波器用于动态抑制谐波和补偿无功,可以有效地改善电网质量。
Active power filter is used for dynamic harmonic suppressing and compensation reactive current, which can effectively improve power network quality.
在电网中的适当位置装设无功补偿装置成为满足电网无功需求的必要手段。
It became necessary means that reactive power compensation devices were installed in proper position of power network.
该控制器集电网监测与无功补偿于一体,同时完成谐波治理和通信功能。
The controller can achieve the functions such as survey the power grid, reactive power compensation, harmonic control, remote communication and so on.
在交流电网中,常常采用移相电容器补偿无功功率损耗的方法来提高网络的功率因数。
In ac power network, the way of phase-shifting capacitors to compensate reactive power loss is always adopted to raise network power factor.
该方法较全面地考虑了谐波治理、无功补偿、背景谐波、失谐、与电网阻抗的串并联谐振等问题。
It is thoroughly considered in this new method that harmonic attenuation, reactive power compensation, mistuning, background harmonic and resonance with power line impedance.
无功补偿是降低电网损耗、提高输配电效率的有效手段。
Reactive power compensation is an effective measure to reduce power system loss and improve its efficiency.
通过耦合电感间的换流与开关器件通断相位角的控制,使其输出超前电压的电流,以补偿电网中常见的感性无功。
It can delicer leading current with the current exchange in coupling reactor and the controlling of the switch on off phase angle in order to compensate lagging reactive power.
理论分析和现场运行情况表明,该有源滤波器能有效解决实际工况下对电网谐波抑制和无功补偿的需求,具有很好的工程应用效果。
Theoretic analysis and operation results confirm that the filter can resolve the demand of harmonic restraint and reactive power compensation effectively, and has good engineering application effect.
本文针对低压配电网络的无功补偿和有害电流滤除问题,提出采用间接和直接电流控制两种STATCOM方案。
For compensating reactive power and harmful currents in low voltage power system, the paper proposed two control schemes for STATCOM, which are indirect-current control and direct-current control.
本文提出了用最优无功潮流法规划超高压电网感性无功功率补偿设计的方法,这是保证电网电压质量和经济运行的前提。
To ensure the voltage quality and the economic operation a design method for planning reactive power compensation in UHV network with optimum reactive power flow is presented in this paper.
随着电网规模的不断扩大,需要越来越多的无功补偿装置。
With the continuous expansion of the scale of power grids, it need more and more reactive compensation devices.
本文针对电网中负序和无功功率的综合补偿问题进行了分析和研究。
This paper analyses the problem of reactive-current and negative-sequence power general compensation.
该控制器采用数字检测电路来获取电网电压与电流的相位差,从无功补偿的原理出发,设计控制器的软硬件。
It measures excess phase of voltage current by using digital circuit, Based on the reactive compensation theorem, the software hardware of the controller is deigned.
设置补偿电容器是补偿电网中无功功率的传统方法之一,无功补偿装置在电网中应用相当普遍。
One of the traditional methods of reactive power compensation is to use compensating capacitors, therefore, compensation device is widely used in power network.
利用配电网络物理规则求得投切点无功补偿容量调节范围,用于约束解的产生和进化,缩小寻优空间。
The reactive power compensation ranges are obtained by the physical constraints of the distribution network, and thus the initialization and evolution are restricted to a reduced optimization space.
本文主要研究了无功补偿对电网性能的改善,电网最佳补偿点的位置和容量配置,及控制器的软、硬件的设计。
The main part of this thesis includes the ameliorating of the net which comes from the reactive power compensate, the most felicitous compensating position, and the hardware and software design.
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。
Therefore, improving and raising the operation quality of electrical network must compensate the reactive power.
为了实现电网无功、电压最优控制,要求电网中装设适当数量的补偿电容。
For realizing optimal control of reactive power and voltage for power systems, it is necessary to equip suitable amounts of compensating capacitors.
在电网中的适当位置装设无功补偿装置成为满足电网无功需求的必要手段。
It became necessary means that reactive power compensation devices were installed in proper position of electric network.
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