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。
The electronic equipment is widely applied to aircraft electric power system, so power quality problems in AC main power supply system cause more and more attention.
在飞机电气系统中，随着电力电子装置的广泛应用，交流供电系统的电能质量问题受到越来越多的关注。
To improve the electric power quality, a monitoring and analyzing system must be established to detect, estimate and classify different disturbances.
为了采取合理的措施提高电能质量，必须建立电能质量监测分析系统，对其进行正确地检测、评估和分类。
This data compression way could benefit electric power quality disturbance data saving and transmission, improve supervision system's performance and lower down the system cost.
这对于电力系统畸变、故障信号数据的存储、传输来讲，可以大幅节约成本，提高系统性能，增加经济效益。
Electric power system frequency is an important indicator of power quality and is one of the most important parameters of power system operation.
电力系统频率是电能质量的重要指标之一，也是电力系统运行最重要的参数之一。
Application of high power electronic elements in power system makes current and voltage waves distorted and degrades the quality of electric energy.
大功率电力电子器件的应用，使得电网电流或电压波形产生畸变，进而使系统的电能质量下降。
Reactive compensation is an important way which maintains the reactive power balance of the electric power system, reduces the loss and increases supply quality.
无功补偿是保持电力系统无功功率平衡、降低损耗、提高供电质量的一种重要手段。
Electrified railway's traction load is usually the big consumer for the electric power system, so electrified railway's traction load is the main power quality pollution source.
电气化铁道牵引负荷是大宗的工业用电部门，因此它是电力系统重要的电能污染源。
If the equipotential connection construction quality is reliable than the safety operation of electric power system and weak -current system can be ensured.
若等电位联结施工质量可靠，就能确保电力系统、弱电系统正常工作、安全运行。
In power system, the voltage pulsation and deficiency or surplus of reactive power will have a great effect on the quality of electric power supply.
在电力系统中，电压的波动和无功功率的过剩和不足会严重影响供电质量。
Furthermore, it illustrates the significance of enterprise electric power quality improving to the energy saving of whole electric power net system.
并阐述了企业电能质量改善后对整个电网系统节能工作所起到的积极作用。
The electric energy quality monitoring system has the characteristics of networking, open type and configuration, and can be widely applied in the field of electric power system monitoring.
本发明具有网络化、开放式、组态化的特点，可广泛应用于电力系统监测领域。
Reactive power compensation is related to security and steady of the electric power system, and it is important to improve quality and saving in power quality.
无功补偿关系到整个电力系统的安全稳定，并在提高电能质量和节能降耗方面具有重要的意义。
With the scope of electrical machines and equipments' application sharply increases, the power quality becomes the key issue of the electric operation system.
随着电力机械及相关设备应用范围的急剧增大，电能质量成为电力系统运行中的关键问题。
To guarantee the security and stability of the power system operation and the quality of the electric power, the research and development of new intelligent devices will become increasingly urgent.
为了保证电力系统安全稳定的运行和满足用户对电能质量的要求，研究开发新型智能的同期装置也愈来愈迫切。
In order to real time remote monitor rural power electric energy quality parameter, an embedded web system is designed.
为了远程实时监测农村电网电能质量参数，进行嵌入式网络系统设计。
The characteristics of water quality monitoring system of steam electric power plant realized by computer and Intranet & communication technology are introduced.
文章介绍了用计算机及现代网络通讯技术实现火力电厂现场数据监测管理自动化的特点。
The characteristics of water quality monitoring system of steam electric power plant realized by computer and Intranet & communication technology are introduced.
文章介绍了用计算机及现代网络通讯技术实现火力电厂现场数据监测管理自动化的特点。
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