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The influence analysis of parameters mismatch in the input series output parallel system

机译:输入系列输出并行系统中参数不匹配的影响分析

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In this paper, an output current differential control method is presented for an input series output parallel (ISOP) system. The method includes a specialized output current sharing loop to achieve power equilibrium in modules, and avoids steady- state sharing errors due to parameters mismatch. However, in the transient process, inconsistent parameters can produce individual input voltage and output current overshoots that have the potential to damage devices. This study analyses the effects of parameters mismatch on the dynamic characteristics of the system, and the voltage and current overshoots of modules are calculated. The results will help in device selection. The analysis method can also be applied to other control methods. Simulated and experimental waveforms of a 300-W prototype verified the analysis results.
机译:本文提出了一种输出电流差分控制方法,用于输入串联输出并联(ISOP)系统。该方法包括专用输出电流共享环路,以实现模块中的电源平衡,并避免由于参数不匹配导致的稳态共享误差。然而,在瞬态过程中,不一致的参数可以产生单独的输入电压,并输出具有损坏设备损坏设备的电流过冲。本研究分析了参数失配对系统动态特性的影响,计算了模块的电压和电流过冲。结果将有助于设备选择。分析方法也可以应用于其他控制方法。 300W原型的模拟和实验波形验证了分析结果。

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