| 一种新的三相补偿型UPS |
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| 引用本文： | 戴珂,康勇,段善旭,陈坚.一种新的三相补偿型UPS[J].通信电源技术,2001(2):13-16. |
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| 作者姓名： | 戴珂 康勇 段善旭 陈坚 |
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| 作者单位： | 华中科技大学电力系 |
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| 摘 要： | 介绍了一种采用PWM变流器串，并联组合方案的三相补偿型UPS系统结构。与在线式UPS相比，补偿型UPS中的串联变流器的容量仅为整个系统的10％－20％，降低了造价，但并不影响其性能，还给出了补偿型UPS的两种控制原理，以保证输入电流和输出电压正弦，且总的谐波畸变率小于5％。
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| 关 键 词： | PWM整流器 不间断电源 三相补偿型 |
A Kind of New Three-phase Compensation UPS |
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| Dai Ke,Kang Yong,Duan Shanxu,Chen Jian Huazhong University of Science and Technology.A Kind of New Three-phase Compensation UPS[J].Telecom Power Technologies,2001(2):13-16. |
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| Authors: | Dai Ke Kang Yong Duan Shanxu Chen Jian Huazhong University of Science and Technology |
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| Abstract: | It introduces a three- phase compensation UPS is combined by two PWM converters, one of which is in series with the load, the other of which is parallel to the load. Compared with the on - line UPS, the power rating of the series converter in the UPS is only 10 ~ 20% of that of the on- line UPS. Thus, the cost of the UPS is reduced without deteriorating the UPS. Two control algorithms for the UPS are also presented to assure that both the source current and the load voltage are sinusoidal and that the total harmonic distortion of the system is less than 5 %. |
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| Keywords: | active filter dead - beat control PWM rectifier PWM inverter uninterruptible power supply (UPS) |
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