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- Reactive current compensator. 无功补偿器。
- This function is sometimes called active and reactive current compensation or line drop compensation. 此功能有时称为有功和无功电流补偿或线路压降补偿。
- Research on unbalanced reactive current compensation method 不平衡电流无功补偿方法的研究
- Reactive current compensation of fuzzy controlling parallel capacitor switching 并联电容补偿无功电流的模糊控制投切方法
- Keywords active power filter;cophase supply;AT supply;traction power supply system;harmonic compensation;reactive current compensation; 有源滤波器;同相供电;AT供电方式;牵引供电系统;谐波补偿;无功补偿;
- The UPQC(unified power quality controller)combines the functions of a voltage compensator,a current compensator and an energy storage device. 统一电能质量控制器(UPQC)集电压型补偿装置、电流型补偿装置和储能装置于一体,统一实现多重电能质量调节功能。
- A SVC controls the voltage by varying the reactive current drawn by the combination of capacitors and reactors. svc通过改变组合电容器和电抗器所吸取的无功电流来控制电压。
- Active power filter is used for dynamic harmonic suppressing and compensation reactive current,which can effectively improve power network quality. 有源电力滤波器用于动态抑制谐波和补偿无功,可以有效地改善电网质量。
- 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。
- The instantaneous reactive power theory is widely used in the detections of harmonic and reactive current in three-phase active power filter. 瞬时无功理论在三相有源电力滤波系统的谐波及无功电流检测中获得了广泛的应用。
- The fundamental reactive current component is evaluated by the reconstruction of the phase difference between the fundamental component and the power source voltage. 通过重构基波分量与电源电压之间的相位差，求得了信号中的基波无功电流分量。
- The realized methode is the artificial circuit.It can detect respectively or synthetically the harmonic current, reactive current and negative-sequence current. 所提出的检测方法用模拟电路加以实现，可对谐波电流、无功电流以及负序电流进行分别检测或综合检测。
- The paper does the theoretical study of this problem which Shunt Active power Filter (Shunt APF) based on the modern power electronic technology compensates the harmonics and reactive current of the distributing system. 论文对基于现代电力电子技术的并联型有源电力滤波器(Shunt APF)补偿配电系统谐波和无功电流问题进行了理论研究。
- The simulation model of active current separating method is established with Matlab software for harmonic and reactive current detection in single-phase circuit. The effect of low pass filter on harmonic current detection is simulated and analyzed. 针对单相电路谐波和无功电流检测的有功电流分离法,利用MATLAB软件建立仿真模型,就其中的低通滤波器对谐波电流检测效果进行了仿真分析。
- Many experiments are done on the experimental equipment of shunt active power filter based on DSP. The harmonic and reactive current detection technique based on unity power factor and the shunt active power filter based on it are tested. 在一套DSP数字控制的并联型有源电力滤波实验装置上作了大量的实验，对基于单位功率因数的谐波电流检测方法和以此为基础的并联型有源电力滤波器进行了实验验证，取得了满意的试验结果，进一步验证了基于单位功率因数的谐波检测和控制技术的有效性和理论分析的正确性。 浙江大学博士学位论文
- Simulation results show that the proposed method can accurately detect harmonics,active current and reactive current of fundamental when three-phase voltage is unbalanced and distorted. 对该检测方法进行了理论分析和仿真,仿真结果证明了在三相电压不对称时该检测方法仍然能正确地检测出谐波和基波有功、无功电流。
- Analysis and simulation are carried out with the four-arm inverter, the simulation results verify that the APF with one-cycle control can dynamically and effectually compensate the harmonics, reactive current and zero sequence current. 在对四桥臂变换器的三相四线制有源滤波器进行分析、建模的基础上,进行了仿真研究,仿真结果表明单周控制三相四线制有源滤波器能有效地补偿系统谐波、零序和无功电流,而且响应快、补偿性能好。
- It can detect not only any current component in the distorted current,but also the sum of harmonic and reactive currents. 既能单独检测出畸变电流中的任意电流分量，又能获得谐波和无功电流之和。
- The real time current compensation is realized by the hysterisis current control and the dc side voltage active power filter (APF) is regulated. 采用滞环电流控制实现较高频率电源系统的电流瞬时补偿并对直流侧电压进行稳压调节。
- Should the current compensation methods for redevelopment and preservation be reviewed? What are the key elements of fair compensation methods? 应否检讨目前重建与保育方面的补偿方法？公平的补偿方法应包含哪些主要元素？
