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- In this paper, the principle of balanced transformation is analyzed;the balance mode, detection of compensating currents and controlling method of the active filter are discussed. 文中分析了系统平衡变换原理，讨论了系统的平衡方式、补偿电流检测与有源滤波器控制方法。
- The basic structure and working principle of the APF are presented, and its methods for detecting the harmonic current and controlling the compensating current are discussed. 介绍了电力有源滤波器的基本结构和原理，讨论了电力有源滤波器的各种谐波电流检测和补偿电流控制方法。
- detecting the comprehensive compensating currents 综合补偿电流检测
- At present, most of the compensation principles of APF are that the compensation currents track the detected reference harmonic currents. 目前，并联有源电力滤波器的补偿原理大多是补偿电流跟踪检测出的参考谐波电流。
- A novel active power filter control algorithm based on DC capacitor voltage control and compensation current feedback control is proposed. 提出了一种基于直流侧电容电压控制和补偿电流反馈控制的电力有源滤波器新型控制算法。
- The combined surface currents flow northwestward flow, while the bottom compensation currents flow southeastward.The combined circulation is mainly driven by the wind. 总环流在表层基本上为朝西北的流动，在底层同样出现向东南的回流，主要是由风应力驱动的。
- The influence on the compensation current, caused by the inductance connecting to the network, is given in this thesis after the establishment of mathematic model of APF. 详细地介绍了瞬时无功功率理论,选择检测负载电流的方式以提取谐波。
- In weakly meshed distribution networks compensation current method is used.It open the loops on some nodes, on the open points compensation currents are used to simulate the power flow before opening. 其中之一是采用配网潮流计算中常用的前推回推法计算辐射状网络潮流，对于弱环网的处理时采用补偿电流法，其思想是将环打开，在开环处以一电流源模拟开环前的状态。
- Most researches on APF are focused on main circuit configurations (series-type, shunt-type, compound-type), harmonic current detection approaches and control strategies to compensate current ,etc. 有关有源电力滤波器的研究主要集中在主电路结构形式(串联、并联和串并联)、谐波电流检测方法和补偿电流的控制方法等方面。
- Demand is outstripping current production. 现在需求逐渐超过了生产能力。
- She broadcasts on current affairs. 她发表时事广播演说。
- Our language goes current along the seacoast. 我们的语言通用于沿海一带。
- You may open a current account at a bank. 你可以在银行开立一个活期帐户。
- I'd like to open a current account with you. 我想在你们这儿开一个活期存款帐户。
- In convection, hot currents flow upwards. 在对流中热气流向上运动。
- Dangerous currents can suck swimmers under. 险急的水流能把游泳的人吞没。
- He made some comments on current topics. 他对时事问题做了若干的评论。
- The swimmer was swept away by the current. 那个游泳的人被激流卷走了。
- He is interested in current affairs. 他对时事感兴趣。
- She had to swim against the current. 她必须逆著水流往上游。
