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基于空间电流矢量的动力蓄电池组测试系统变流技术

, PP. 122-128

Keywords: 电流型整流器,SVPWM,电池测试,dq变换

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Abstract:

针对动力蓄电池组对其测试系统变流器输出特性的特殊要求,设计了用于动力蓄电池组测试的电流型PWM整流器的主电路结构,并提出了基于dq变换的电流型SVPWM整流器的控制策略。该装置可在较宽的电压、电流输出范围内输出纹波小、响应速度快的测试电流,运行于高功率因数并将电池放电的能量无谐波污染地回馈电网。为了验证以上设计方法,进行了基于Matlab的电池充放电仿真实验;研制了基于dq变换的电流型PWM方式的动力蓄电池组测试系统变流器样机,并完成了整机调试。仿真和试验验证了以上方法的正确性和先进性。

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