Microgrids are self-controllable localized power systems which represent a building block of smart grid.Microgrid master controller considers communication,control,and management functionalities,which play a significant role in economic and secure operations of microgrids.This paper applies the principles introduced in the design and the operation of the master controller at IIT microgrid to discuss the merits of smart grid.After presenting the hierarchy in the IIT microgrid control architecture,this paper discusses the implementation details and the laboratory setup for testing the IIT microgrid master controller.This paper also points out potential burdens assumed by microgrid master controllers to reflect the emergence of software-defined networking technologies as well as the development of networked microgrids and energy hubs.%微电网作为智能电网的一个组成部分,是自主可控的局部电力系统.微电网主控制器综合考虑了通信、控制和管理功能,在微电网经济和安全运行方面发挥着重要的作用.本文介绍了IIT微电网主控制器的设计与运行原理,讨论了智能电网的优点.在介绍IIT(Illinois Institute of Technology)微电网控制器控制体系层级的基础上,讨论了测试IIT微电网主控制器的详细过程和实验室设置.最后也指出了由微电网主控制器带来的潜在影响,如软件化网络技术的出现和网络化微电网和能源枢纽的发展.
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