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One key problem with APF application is how to accurately calculate harmonic currents for compensation. 有源滤波器的应用中要求补偿电流的指令值计算要准确。
The character of active power filter and means of harmonic currents detecrion are introduced. 摘要介绍有源电力滤波器的工作原理以及谐波检测的方法。
The Eelctromagnetic Field and Power Density Vectors on Spheres in Near to Far Field from Time Harmonic Currents. 弦变电流源在近场至远场球面上之向量电磁场及向量功率密度。
The first is a limitation in the harmonic current that a user can transmit into the utility system. 第一个准则是限制用户可送入用电系统的谐波电流。
In the widely used detecting approach of harmonic currents for APF,ip-iq approach based on theory of instantaneous reactive power is used most widely. 在众多有源滤波器的谐波及无功电流检测算法中,基于三相瞬时无功功率理论的应用最为广泛。
Keywords ：shunt active power filter, harmonic current, iterative learning controller (ILC), nonlinear load. 关键词：并联式有源滤波器;谐波电流;迭代学习控制;
ZHOU Fangyuan,LUO Deling,TANG Zhaohui.Study on a new detecting harmonic currents in single phase circuit.Electrotechnical Application,2006,25(4):73-75. [2]周方圆;罗德凌;唐朝晖.;单相电路谐波电流实时检测的新方法研究
In HVDC system, It is meaningful to search for a new way to mearsure the harmonic current. 在高压直流输电系统中,研究运用新的测量谐波电流的方法和技术有着重要的意义。
The parallel APF compensates the remained harmonic current and fundamental current losses. 进入电网的残余谐波电流以及由于参数波动引起的基波电流损失由并联型APF补偿。
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。
It is found that the electron beam may approach ideal bunching, each harmonic current of thebeam may reach about 5. 发现在二极管与共振腔结合的系统里，电子束可实现理想群聚，各次谐波电流在非相对论条件下可达到初始电流的5。
With the analysis of the harmonic current and power factor of Rectification set of Mine Hoist,the way of filter design is introduced. 分析国内某矿井提升机整流供电系统网侧谐波电流和功率因数情况,介绍滤波器设计的方法。
With the analysis of the harmonic current and power factor of Rectification set of Mine Hoist, the way of filter design is introduced. 摘要分析国内某矿井提升机整流供电系统网侧谐波电流和功率因数情况，介绍滤波器设计的方法。
Detecting the harmonic current and reactive current (pq method) based on the instantaneous reactive theory is suitable in the APF device. 本文采用基于瞬时无功理论的pq法检测谐波电流和无功电流,克服了传统谐波电流检测方法实时性能差的缺点,并且容易实现。
A method which detects harmonic current of three-phase system with DSP based on theory of instantaneous reactive power is presented in this paper. 根据瞬时无功理论,提出基于DSP的谐波电流检测方法,实现了谐波电流和无功电流的实时、快速检测。
K.A.Buckle and J.W.Luce, “Battery vehicle charger design eliminates harmonic current generation,” Proceedings of the IEEE,1996, pp. 561-564. 沈里和;“数位化正负脉冲急速充电器之研制;”国立成功大学电机工程学系硕士论文，2002年.
In addition, the inverter can also reduce the harmonic current and torque pulsation for PMSM in the fully adjustable speed range. 在永磁式同步电动机侧不仅达到调速的控制，亦能降低电动机电流谐波含量，以减少脉动转矩。
Zhao, Q., F.C.Lee and F.S.Tsai,“Design Optimization of an Off-Line Input Harmonic Current Corrected Flyback Converter, IEEE APEC, pp. 91-97, 1999. 刘智豪，“单级隔离式高功因电力转换器之模式分析及控制器设计”，硕士论文，国立成功大学工程科学系，2000。
Passive Filter is used to suppress the harmonic current of the power system, and it has become a primary method for the arc furnaces. 作为一种重要的谐波源，电弧炉严重影响着电力网络和电气设备以及通信和电子设备的安全和经济运行。