| 并联UPS系统均流控制 |
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| 引用本文： | 于玮,徐德鸿,周朝阳. 并联UPS系统均流控制[J]. 中国电机工程学报, 2008, 28(21): 63-67 |
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| 作者姓名： | 于玮 徐德鸿 周朝阳 |
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| 作者单位： | 浙江大学电气工程学院,浙江省,杭州市,310027 |
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| 摘 要： | 研究了一种不间断电源(uninterrupted power supply，UPS)均流控制方法，在有功功率和无功功率控制逆变基准电压幅值和相位的基础上加入了输出滤波电感电流的直流分量控制。有功功率和无功功率以及电感电流直流分量通过CAN总线进行传输，提高了并联系统的抗干扰能力和可靠性。滤波电感电流直流分量控制的加入可以有效地提高整个并联UPS系统的均流特性以及稳定性。2台DSP控制的30 kVA三相四线UPS并联系统验证了该方法的可行性，实验证明该控制方法可以取得良好的并联均流效果和稳定性。
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| 关 键 词： | 不间断电源 功率控制 并联 均流 滤波电感电流控制 |
| 收稿时间： | 2007-02-07 |
Control Strategy of Paralleled UPS System |
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| YU WeiXU De-hongZHOU Chao-yang. Control Strategy of Paralleled UPS System[J]. Proceedings of the CSEE, 2008, 28(21): 63-67 |
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| Authors: | YU WeiXU De-hongZHOU Chao-yang |
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| Abstract: | A load-sharing control scheme is studied for the paralleled uninterrupted power supplies (UPS's). Integrated with the active and reactive power control and the output filter current control, the proposed load-sharing control can improve the current-sharing quality and stability of the paralleled UPS system. In order to improve the reliability of the whole system, active and reactive power and filter current signals are transmitted through CAN bus. In the experiments, two paralleled 30 kVA three-phase UPS's are used. |
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| Keywords: | uninterrupted power supply power control parallel load-sharing filter current control |
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