不间断电源系统选型及其性能评估

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摘要不间断电源系统是医疗、军事、通信、空管等行业数据机房安全可靠运行的根本保证,因此有必要对其选型及性能评估进行研究。本文分析了在不间断电源系统选型时需要考虑的关键因素,提出了选型时需要的步骤。通过系统建模,对输入输出电压的总谐波失真、瞬态响应时间和电网切换时间进行分析,说明系统性能评估参数的重要性。在Matlab/Simulink环境下对2kVA在线式不间断电源系统进行了建模仿真,仿真结果表明,该性能评估参数对不间断电源系统选型后的运行具有至关重要的作用。

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	肖龙

关键词 ：不间断电源, 选型, 性能评估, 可靠性

Abstract：The uninterruptible power supply (UPS) system is the fundamental guarantee for the safe and reliable operation of the data room in the medical, military, communications, and air traffic control industries. Therefore, it is necessary to select and evaluate the performance. The article analyzes the key factors that need to be considered when selecting a UPS, and proposes the steps required for the selection. By modeling the system, the total harmonic distortion (THD) of the input and output voltage, the transient response time and the grid switching time are analyzed to illustrate the importance of the system performance evaluation parameters. The 2kVA online UPS system is modeled and simulated in Matlab/Simulink environment. The simulation results show that the performance evaluation parameters play an important role in the operation of the UPS system.

Key words： uninterruptible power supply (UPS) selection performance evaluation reliability

收稿日期: 2019-06-14 出版日期: 2020-01-18

作者简介: 肖龙（1987-）,男,宁夏银川市贺兰人,工学硕士,工程师,主要从事电力系统保护与控制、电力系统可靠性研究等工作。

引用本文:

肖龙. 不间断电源系统选型及其性能评估[J]. 电气技术, 2020, 21(1): 117-120. Xiao Long. Uninterruptible power supply system selection and performance evaluation. Electrical Engineering, 2020, 21(1): 117-120.

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http://dqjs.cesmedia.cn/CN/Y2020/V21/I1/117