备用电源具有有源电源滤波能力，采用数字控制器

Proceedings of 1995 IEEE Applied Power Electronics Conference and Exposition - APEC'95 Pub Date : 1995-03-05 DOI:10.1109/APEC.1995.469031

Jae-Ho Choi, Ga-Woo Park, S. Dewan

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引用次数: 35

摘要

提出了一种备用电源/有源滤波器(SPS/APF)系统。该系统具有高效备用电源和消除有害谐波的双重功能。基于电流强制开关的双边功率变换器，在APF模式下可以用单位功率因数对线路电流进行正弦调节，在SPS模式下通过瞬时电压控制使电压波形畸变较小。详细介绍了非线性负载产生的谐波问题，实现电流畸变补偿和功率因数校正的瞬时无功电流分量的计算方法，以及采用TMS320C25数字信号处理器的全数字控制硬件和软件方案。最后，通过3kw实验室样机系统的仿真和实验结果验证了理论分析的正确性。

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Standby power supply with active power filter ability using digital controller

This paper presents a standby power supply/active power filter (SPS/APF) system. This system provides combined functions of high efficiency power backup and harmful harmonics elimination. Based on the bilateral power converter using a current forced switching scheme, the line current can be sinusoidally regulated with unity power factor in APF mode and the voltage waveform distortion can be kept small in SPS mode by instantaneous voltage control. Introduction of the harmonic problems generated by the nonlinear loads, the calculation method of the instantaneous reactive current components achieving current distortion compensation and power factor correction, and the full digital control hardware and software schemes using a TMS320C25 digital signal processor are discussed in detail. Finally, the theoretical analysis is verified both by simulated and experimental results in a 3 kW laboratory prototype system.<>

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来源期刊

Proceedings of 1995 IEEE Applied Power Electronics Conference and Exposition - APEC'95

CiteScore

3.20

自引率

0.00%

发文量