| 逆变器输出阻抗对并联运行环流影响的研究 |
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| 引用本文： | 曾建友,陈息坤,段善旭,康勇.逆变器输出阻抗对并联运行环流影响的研究[J].电力电子技术,2003,37(3):21-23,78. |
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| 作者姓名： | 曾建友 陈息坤 段善旭 康勇 |
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| 作者单位： | 华中科技大学,武汉,430074 |
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| 基金项目： | 国家自然科学基金资助项目 (5 0 0 0 70 0 4 ) |
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| 摘 要： | 给出了逆变器并联时各机输出的有功和无功表达式，详细分析了逆变器输出阻抗对环流的影响，用仿真验证了分析的结果。最后介绍了一种考虑输出阻抗中阻性分量影响的电压调节方法，并且给出了在两台三相60kVA的UPS上实验的结果。实验表明采用改进的电压调节方法后，可以减小并联运行时的环流。
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| 关 键 词： | 逆变器 并联 环流／有功 无功 |
| 文章编号： | 1000-100X(2003)03-0021-03 |
Study of Influence of Inverter Output Impedance on Circulating-current in Parallel Operation |
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| ZENG Jian you,CHEN Xi kun,DUAN San xu,KANG Yong.Study of Influence of Inverter Output Impedance on Circulating-current in Parallel Operation[J].Power Electronics,2003,37(3):21-23,78. |
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| Authors: | ZENG Jian you CHEN Xi kun DUAN San xu KANG Yong |
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| Abstract: | The article gives the expression of active and inactive power of each inverter in parallel operation. The influence of inverter output impedance on circulating current is analyzed in detail. Emulations verify the theoretic analysis. At last, a novel way to adjust the voltage which considers the influence of resistance weight in inverter output impedance is introduced. Experimental results on two three phase 60kVA UPS are given. Experiments shown the proposed voltage adjustment can decrease the circulating current in parallel operation. |
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| Keywords: | inverter parallel circulating current active power inactive power |
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