It is pointed out that the main aspect of electric power quality problem is voltage sag.
指出电压暂降是现代电能质量的主要问题。
Electric power quality of wind park is a key index if wind park connects with public power grid.
风电场的电能质量是风电场并入电网运行的关键指标。
Much attention has been paid to harmonics as it is a main factor impacting electric power quality.
谐波是影响电力系统电能质量的一个重要因素。
However, the adoption of active filter technique a kind of reasonable, valid means to solve modern electric power quality problem.
而采用有源滤波技术是解决现代电能质量问题的一种非常合理、有效的手段。
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。
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。
Based on indices of electric power quality, we consider power fluctuation an additive index of electric power quality for a wind farm in real conditions.
在电能质量各分项指标的基础上，针对风电场的实际情况，引入了功率波动作为附加的电能质量指标。
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。
The study of harmonics is a very important topic for electric power quality. Research topics include harmonic source analysis and efforts, measurement technology and elimination strategy.
谐波的研究是电能质量领域的一个重要课题，研究领域包括谐波源分析、检测技术以及消除策略。
The power quality becomes more and more important and close attention is gradually paid to power quality by electric industry and consumers.
电能质量问题越来越显示其重要性，电力部门和用户对电能质量的关注也日益增加。
This method can provide the reference for electric utilities and users for evaluation of power quality, offering the economic parameters to evaluate voltage sag under electric markets environment.
该方法可作为电力公司和用户评价电能质量的参考，并为电力市场环境下合理评价电压凹陷提供了经济指标。
Beijing and other cities have tried to improve air quality by switching power plants from coal to natural gas and rolling out fleets of electric buses and taxis.
北京和其他城市尝试通过将发电厂由燃煤型转换到天然气燃烧以及推出电动公交和出租车的方式改善空气质量。
As the important automation equipment of power station, the quality of the governor influences electric energy quality and security economical operation of the hydropower station direct.
调速器是水电站重要的自动化设备，其性能的好坏直接影响到电能质量和电站的安全经济运行。
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。
The paper makes an analysis from several aspects, such as the problem classification of electric power energy quality, its reason and the improving measures.
文章从电能质量问题的分类、产生原因及改善电能质量问题的措施等几个方面进行了阐述。
To reduce power quality problem affect of electric motor, to boost motor's running stability, running reliability, the power quality control technology is researched.
为了减轻电能质量问题对电机的影响，提高电机运行的稳定性与可靠性，对电能质量控制技术进行了研究。
Power generating quality has great influence on the electric energy quality of power grid and increasingly competitive power market asks higher demand for power generating quality of power plant.
电站发电质量对电网电能质量有着重要影响，竞争日益激烈的电力市场对电站发电质量提出了更高的要求。
Voltage is one of important quality index of electric power. Power loss is an important synthesis technical and economic index of power companies.
电压是电能质量的重要指标之一，网损是电力企业的一项重要综合性技术经济指标。
It is necessary for the power supply company to reinforce the power quality management in order to provide better electric power to the society.
电力生产企业为了更好地为社会提供优质电力服务，加强电能质量管理工作非常必要。
There are many electric energy quality problems in power supply and distribution system.
供配电系统中存在着各种电能质量问题。
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。
Ensure maintenance of electric power, air compressors, air conditioner, buildings on high quality level.
维护配电系统、空压机、空调系统、建筑物等确保其维持要求的高质量状态。
Ensures maintenance of electric power, air compressors, air conditioner, buildings on high quality level.
维护配电系统、空压机、空调系统、建筑物等确保其维持要求的高质量状态。
Power quality is an important factor of electric power system.
电能质量是电能的重要特性。
High quality electric power has a fatal significance for guaranteeing electric devices' safely and economically operation, improving products' quality and guaranteeing normal life of the residents.
高质量的电能对于保证电网和电气设备安全、经济运行，提高产品质量和保障居民正常生活有着重要的意义。
In electric railway traction substation, power capacitors and harmonic filters are the important devices for improving both the power factor and the power quality.
在电气化铁道牵引变电站中，装设无功补偿电容器和谐波滤波器是提高功率因数、改善电能质量的重要手段。
This method can provide reference to electric utilities and users for evaluation of power quality, offering the parameter for equipment manufacturers to test equipment performance.
该方法可作为电力公司和用户评价电能质量的参考，并为设备制造商测试设备性能提供了参量。
This method can provide reference to electric utilities and users for evaluation of power quality, offering the parameter for equipment manufacturers to test equipment performance.
该方法可作为电力公司和用户评价电能质量的参考，并为设备制造商测试设备性能提供了参量。
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