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- With an excellent filtering performance, the APF can be used to reduce harmonic pollution and improve power quality. 有源滤波器滤波性能卓越，能起到减少电网谐波污染，提高电能质量的作用。
- Due to the problem of reactive power compensation and harmonic pollution becoming serious in mine system,TCR reactive compensation system for load of mine DC elevator was designed. 由于煤矿系统无功补偿和谐波污染问题日趋严重,设计了以矿井直流提升机为负载的TCR无功补偿系统。
- In this paper,a speed sensorless direct torque control system and control means of AC motor based on matrix converter is proposed to reduce harmonic pollution and advance control accuracy. 提出了基于矩阵变换器供电的交流电动机无速度传感器直接转矩控制系统和控制方法,以降低谐波污染,提高控制精度。
- A speed sensorless direct torque control system and control means of AC motor based on matrix converter fed was proposed,for reducing harmonic pollution and advancing control accuracy. 提出一种基于矩阵变换器供电的交流电动机无速度传感器直接转矩控制系统和控制方法,以降低谐波污染,提高控制精度。
- harmonic pollution in electric power systems 电力谐波污染
- The filters running well in actual,which prove the correctness of the solution to harmonics pollution. 滤波器实际运行效果良好,表明该滤波器设计的有效性。
- The filters running well in actual, which prove the correctness of the solution to harmonics pollution. 滤波器实际运行效果良好，表明该滤波器设计的有效性。
- Considering the reality of harmonics pollution which widely exists among industrial users, three-phase shunt APF is studied in the paper. 本文针对工业用户中普遍存在的谐波污染问题，对三相并联型电力有源滤波器进行了重点研究。
- Harmonic Pollution and Harmonic Suppression of the Power Supply Network 供电网络的谐波污染与谐波抑制
- CONSUMER ELECTRIC ENERGY MEASUREMENT IN CONSIDERATION OF HARMONIC POLLUTION 考虑谐波污染时用户电量的计量
- We should use anthracite to avoid air pollution. 我们应该使用无烟煤以防止空气污染。
- The harmonic combination of these tones. 四度和音音调的和谐组合
- Pollution control has cleared the air. 污染管制已净化了空气。
- Man is fighting a battle against pollution. 人类正在与污染作斗争。
- Pollution is still very much a live issue. 污染现象仍然是当前的大问题。
- The soil becomes more and more acidic as pollution mounts up. 随着污染的加剧，土壤的酸化越来越严重。
- A clamor in the press for pollution control. 在报纸上对污染控制的呼吁
- Water pollution imperils all kinds of marine life. 水质污染危及所有海洋生物。
- Pollution has stripped the trees of their foliage. 污染剥光了这些树的叶子。
- We have freed the lake from pollution. 我们已经清除了该湖的污染。
