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- first harmonic current [电] 基谐电流
- Thus a smaller membrane gives off a higher first harmonic. 较小的膜发出较高的第一陪音。
- 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;
- The simplified model is concluded by a Galerkin projection which only uses the first harmonic of the nonaxisymmetric velocity disturbance potential. 利用伽辽金截断仅仅保留非轴对称速度扰动势的一阶模态波,得到其简化模型。
- 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。
- In order to solve those problems,this paper presents a signal conditioning method with the averaged value of the first harmonic and proposes an intermitted exciting mode. 为了解决这些问题,本文提出了基波平均值的信号调理方法和间歇激磁方法,检定结果表明了该种方法的有效性。
- In order to solve those problems, this paper presents a signal conditioning method with the averaged value of the first harmonic and proposes an intermitted exciting mode. 为了解决这些问题,本文提出了基波平均值的信号调理方法和间歇激磁方法,检定结果表明了该种方法的有效性。
- To compensate of the nonlinearity error of heterodyne interferometers in nanometer measurement,a method for reducing the first harmonic nonlinearity is proposed. 为了补偿激光外差干涉纳米测量中的非线性误差,提出了一种减小非线性误差的一次谐波方法。
- With the analysis of the harmonic current and power factor of Rectification set of Mine Hoist,the way of filter design is introduced. 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。
- If the frequency of a laser is modulated sinusoidally, the first harmonic component of saturated absorption signal can be used as error signal to stabilize the frequency of the laser. 对激光器进行频率调制, 检测原子分子饱和吸收信号中的一次谐波成分得到频率误差信号, 反馈控制可以实现激光频率的稳定。
- 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。
- The frequency dependences of both amplitude and phase-shift of the first harmonic of the ring-down signal are measured by a lock-in amplifier in a phase-shift cavity ring-down technique (PS-CRD). 分析了相移光腔衰荡技术中由锁相放大器探测光腔输出信号一次谐波的振幅和相位随调制频率的变化曲线。