Reactive power has close relationship with voltage quality.
无功与电压质量有着密切的联系。
Dynamic voltage Restorer is a powerful equipment to improve the voltage quality.
动态电压恢复器是改善电压质量的一种有力工具。
The voltage quality is an important factor to the reliable running of NC machine.
电压质量是影响数控系统可靠运行的重要因素。
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 the application of the voltage quality control (VQC) technology, many practical issues need to investigate and resolve.
电压无功自动控制(VQC)技术在应用中有不少具体问题需研究解决。
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。
The effect of the wiring ways on voltage quality is analyzed according to the relations between load moment and voltage loss.
文章根据负荷矩与电压损失的关系分析了接线方式对电压质量的影响。
Reactive compensation and reactive equilibrium of electrical system are the basic conditions for guaranteeing voltage quality.
电力系统的无功补偿与无功平衡是保证电压质量的基本条件。
This paper firstly introduces the definition and classify of modern power quality and the phenomena of dynamic voltage quality.
本文介绍了现代电能质量的定义、分类以及动态电能质量现象的描述。
Due to the importance of voltage quality in power systems, the control of voltage and reactive power becomes more and more attractive.
由于电压在整个电网中的重要性，电压无功控制越来越引起注意。
With the load growth of distribution system, reactive demand rises in order to increase power factor, voltage quality and transmission efficiency.
随着配电系统负荷日益增长，无功需求也相应增加，配电线路广泛采用并联电容器来满足无功需求。
Reactive power optimization is an effective method to keep power system safe and economy, and it's an important measure to improve voltage quality.
电力系统无功优化配置是保证电力系统安全、经济运行的一项有效手段，是提高电压质量的重要措施。
Two common methods are used in study of characteristics of voltage sags, which are the measurement on voltage quality and the stochastic assessment.
研究电压暂降特征的方法有电压质量监测和随机预估。
When reactive power is unbalance, it will cause some problems, such as lower voltage, worsen voltage quality, lower power factor and increase line loss.
当无功功率不平衡时，将会导致系统电压降低、电能质量下降、功率因数降低、线损增加等问题。
Var optimization is core problem of voltage stability and economic operation of electric power system, also important measure to improve voltage quality.
无功优化是电力系统电压稳定与经济运行的核心问题，也是提高电力系统电压质量的重要措施。
Increasing power factor of traction substation is the effective measure to improve power quality of electrified railway for better voltage quality and less loss.
提高牵引变电所(简称牵引变)功率因数以改善系统电压质量、减少系统损耗是改善电气化铁路电能质量的有效措施。
Reactive power optimization is of great importance to voltage quality guarantee, power loss minimization and thus security and economic operation of power system.
电力系统无功优化对保证电压质量、降低运行损耗，实现电网的安全经济运行具有重要意义。
Optimizing reactive power and voltage control in power system is an important and efficient method to improve the voltage quality and ensure the voltage stability.
无功电压优化控制是减少电网损耗、保持电压稳定性、提高电力系统安全性和经济性的有效措施。
Some research work of voltage reactive power optimization control of region network has been done in order to improve the voltage quality and decrease the power loss;
为了提高电压质量，降低电能损耗，本论文针对我国地区电网的状况和特点，对电网电压无功优化控制进行了深入的探索和研究；
It is necessary to use reactive power optimization to improve voltage quality, reduce operation network loss and improve security and stability of the operation system.
通过无功优化来改善电压质量、降低运行网损以及提高系统运行的安全稳定性显得尤为必要。
Dynamic voltage quality is an important content of the modern power quality, the monitoring and analysis of which is of great significance for solving power quality problem.
动态电压质量是现代电能质量的一个重要内容，对于动态电压的监测及分析对于解决电能质量问题意义重大。
Reactive power optimization in power system is an effective means to improve voltage quality, reduce network losses and ensure power system operates in a secure and economical way.
电力系统无功优化是提高电压质量、降低系统运行网损、保证系统安全经济运行的有效手段。
On the one hand, the power system with insufficient supply ability is comparatively weak to withstand disturbances, and on the other hand, it may cause many voltage quality problems.
容量较小的电网一方面承受干扰的能力较弱，另一方面，电网供电能力不足将会引发许多电压质量问题。
Using TMS320F2806 DSP as its core processor, a new voltage monitor is introduced, which monitors as well as records the parameters of voltage quality such as voltage, harmonic and so on.
本文以TMS320F 2806DSP为核心处理器，主要针对电网中的电压、谐波等参数进行实时监测以及统计记录，自主研发了一款新型电网电压监测仪表。
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.
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。
Results from economic analysis and case simulations show that using this approach the transient voltage quality level in distribution system can be evidently improved without cost increase.
经济性分析和算例结果表明，该方案在不增加成本的前提下大大提高了配电系统的暂态电压质量。
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。
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。
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