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- shielding harmonic current 谐波屏蔽
- When zero sequence or high secondary harmonic current component appear in the circuit, the total current in the shield is zero, no electromagnetic interference with outside. 当线路出现零序或高次谐波电流分量时，屏蔽层内电流总和为零，不对外界产生电磁干扰。
- 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。
- 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;
- 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。
- 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。
- A simple and practical instantaneous harmonic current detecting method is introduced,which realizes a special filter based on DFT(Discrete Fourier Transform). 提出了一种用离散傅里叶变换DFT(DiscreteFourierTransform)实现特殊滤波器的瞬时谐波电流的检测方法。
- self-coupled compensated and shielding harmonic converter transformer 自耦补偿与谐波屏蔽换流变压器
- The series-parallel compensation UPS which is composed of delta inverter has the feature just as low energy consumption, small harmonic current, and high energy availability. 由Delta逆变器构成的串并联补偿式UPS较之传统的UPS具有能量浪费少,谐波电流小,能源利用率高的特点。
- The experiment results indicate that the UPS using high frequency PWM rectifier has the characteristics of low harmonic current and high input power factor ,and has a good future. 实验结果表明 ,采用PWM整流电路的不间断电源具有注入电网的谐波电流小、输入功率因数接近 1等优点 ,是一种很有发展前途的不间断电源。
