Detection of harmonic and reactive current is very crucial to harmonic restraint and reactive compensate.
谐波和无功检测是进行谐波抑制和无功功率补偿的关键技术。
Now the use of active power filter is an important trend for harmonic restraint and reactive power compensation.
传统的补偿对策是在负荷端分别对谐波、无功进行补偿。
Based on analyzing the common way of harmonic restraint, this paper makes use of the theory of instantaneous reactive power to simulate and design active power filter.
本文在分析抑制谐波常用方法的基础上，利用瞬时无功功率理论进行有源滤波器的仿真设计。
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.
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。
The paper analyzes the harm of high harmonic and provides the restraint necessity and measure.
摘 要分析了高次谐波在诸多方面产生的危害，提出抑制高次谐波的必要性及具体措施。
The causes of harmonic walking-through and the principle of its restraint by APFs are analyzed.
详细分析了谐波穿行现象产生的原因以及APF并列运行抑制谐波穿行的原理；
The causes of harmonic walking-through and the principle of its restraint by APFs are analyzed.
详细分析了谐波穿行现象产生的原因以及APF并列运行抑制谐波穿行的原理；
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