微电网控制系统是微电网安全稳定运行的关键，提出了基于三层架构设计的微网控制系统，并简要介绍三层结构，重点分析中间控制层的运行控制功能，就其控制策略的难点进行分析。最后就微电网控制系统的硬件平台特点进行描述，提出应用工业控制PLC作为协调控制层的硬件平台。%The micro-grid control system is the key technology that ensures the safety and stabilization of the micro-grid. The paper proposes a micro-grid control system based on three-tier architecture design and also makes a brief introduction of three-tier structure, then the detailed design of the middle control layer control function is presented, and some key points about the control strategy dififculties are analyzed. Finally, characteristics of the hardware platform in the micro-grid control system are described, and the industrial control PLC is recommended to build the hardware platform as coordinated control layer.
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