输入电压不平衡时多脉波整流器特性分析
首发时间:2024-04-24
摘要:本文对输入电压不平衡时多脉波整流器的输入输出特性进行了分析。选取6脉波、12脉波、24脉波三种典型整流器作为研究对象,针对整流器的输入电流进行傅里叶分析,研究输入电压平衡时输入电流的谐波成分。利用plecs仿真软件,在输入电压含谐波和幅值不相等条件下,针对三种典型多脉波整流器进行了建模仿真。通过比较三种整流器输入输出特性得出输入电压不平衡对整流器输入输出特性的影响。
关键词: 电力电子与电能变换 输入电压不平衡 多脉波整流器 谐波失真
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Characteristic Analysis of Multi-Pulse Rectifiers with Unbalanced Input Voltage
Abstract:In this paper, the input and output characteristics of multipulse rectifier with unbalanced input voltage are analyzed. Three typical rectifiers, 6-pulse, 12-pulse and 24-pulse, were selected as the research objects, and Fourier analysis was carried out on the input current of the rectifier to study the harmonic components of the input current when the input voltage was balanced. Using plecs simulation software, three typical multipulse rectifiers are modeled and simulated under the condition that the input voltage contains harmonics and the amplitude is not equal. By comparing the input and output characteristics of three kinds of rectifier, the influence of input voltage unbalance on the input and output characteristics of rectifier is obtained.
Keywords: Power Electronics and Energy Conversion Unbalanced Input Voltage Multi-pulse Rectifiers Harmonic Distortion
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