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Dual-loop Cooperative Control Strategy for Power Conversion System

机译：电力转换系统的双循环协作控制策略

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摘要

In view of the application requirements of power conversion system (PCS) under different working conditions, a control strategy of PCS with DC voltage loop and constant power loop synergizing outer loop and current inner loop is designed. It solves the problem of voltage and current dynamic oscillation caused by traditional methods in mode switching (constant voltage mode, constant power mode). This strategy prevents the over-voltage or under-voltage of the PCS bus voltage during the switching process from causing battery over-current damage and improves the stability of the system. By building a Matlab/Simulink simulation platform, the stable operation of the PCS during power scheduling and mode switching is verified.
机译：鉴于不同工作条件下电力转换系统（PC）的应用要求，设计了具有直流电压环和恒电源环路协同外环和电流内环的PC的控制策略。它解决了模式切换中传统方法引起的电压和电流动态振荡的问题（恒压模式，恒定功率模式）。该策略在切换过程中防止PCS总线电压的过电压或欠压导致电池过电流损坏并提高了系统的稳定性。通过构建Matlab / Simulink仿真平台，验证了电源调度和模式切换期间PC的稳定运行。

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