| 基于输出电抗器的PWM长线驱动系统反射过电压的抑制 |
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| 引用本文： | 徐政,金立军,林秀剑,阳林,张胜锰. 基于输出电抗器的PWM长线驱动系统反射过电压的抑制[J]. 机电工程, 2016, 0(3): 347-351. DOI: 10.3969/j.issn.1001-4551.2016.03.019 |
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| 作者姓名： | 徐政 金立军 林秀剑 阳林 张胜锰 |
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| 作者单位： | 1. 同济大学电子与信息工程学院,上海,201804;2. 浙江冠华电气有限公司,浙江乐清,325606 |
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| 基金项目： | 国家自然科学基金资助项目(51577135) |
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| 摘 要： | 针对PWM变频器长线驱动系统电机端产生的过电压问题,对输出电抗器抑制过电压的机理进行了研究,提出采用输出电抗器感量、电缆长度以及负载特性阻抗作为正交设计试验因素,回归正交组合设计法构建了PWM长线系统机端过电压峰值的数学模型,基于此数学模型得到了输出电抗器选型设计的计算设计公式。研究结果表明,通过该公式确定的输出电抗器可有效抑制机端过电压,通过PSPICE仿真的结果与设计要求误差仅为1.5%,此研究结果可以为输出电抗器设计提供理论支持。
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| 关 键 词： | long cable orthogonal test design output reactor over-voltage PWM pulse 回归正交组合设计 输出电抗器 过电压 长线电缆 PWM 脉冲 Language of Keywords: English Chinese |
Suppress of over-voltage in PWM Long drive system based on output reactor |
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| Abstract: | Aiming at the over-voltage phenomenon at motor terminal in long distance PWM driving system, the theory of output reactor suppressing over-voltage was researched, inductance of output reactor, cable length and load impendence characteristics was chosen as orthogonal test factors , and a mathematical model of the over-voltage peak was constructed through orthogonal test design. The formula of inductance of output reactor was proposed based on the model. The results indicate that the over-voltage can be effectively suppressed by output reactor designed through the formula, the error between simulation in PSPICE and design requirement is 1. 5%. The work can provide theoretical support for the design of output reactor. [ABSTRACT FROM AUTHOR] |
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| Keywords: | PWM pulse long cable output reactor over-voltage orthogonal test design |
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