A future smart grid must fulfill the vision of the Energy Internet in which millions of people produce their own energy from renewables in their homes, offices, and factories and share it with each other. Electric veh...A future smart grid must fulfill the vision of the Energy Internet in which millions of people produce their own energy from renewables in their homes, offices, and factories and share it with each other. Electric vehicles and local energy storage will be widely deployed. Internet technology will be utilized to transform the power grid into an energysharing inter-grid. To prepare for the future, a smart grid with intelligent periphery, or smart GRIP, is proposed. The building blocks of GRIP architecture are called clusters and include an energy-management system (EMS)-controlled transmission grid in the core and distribution grids, micro-grids, and smart buildings and homes on the periphery; all of which are hierarchically structured. The layered architecture of GRIP allows a seamless transition from the present to the future and plug-and-play interoperability. The basic functions of a cluster consist of (1) dispatch, (2) smoothing, and (3) mitigation. A risk-limiting dispatch methodology is presented; a new device, called the electric spring, is developed for smoothing out fluctuations in periphery clusters; and means to mitigate failures are discussed.展开更多
随着智能电网的快速发展,电力通信网络作为支撑电网运行的重要基础设施,其动态配置与运维技术日益受到关注。软件定义网络(Software Defined Network,SDN)作为一种新兴的网络架构,为电力通信网络的灵活性和可管理性提供了新的解决方案...随着智能电网的快速发展,电力通信网络作为支撑电网运行的重要基础设施,其动态配置与运维技术日益受到关注。软件定义网络(Software Defined Network,SDN)作为一种新兴的网络架构,为电力通信网络的灵活性和可管理性提供了新的解决方案。文章针对基于SDN技术的电力通信网络动态配置运维技术进行了深入研究,提出了一种高效的动态配置策略,并通过仿真实验验证了其有效性和可行性。展开更多
基金sponsored by National Key Basic Research Program of China (973 Program) (2012CB215102) for WuUS National Science Foundation Award (1135872) for VaraiyaHong Kong RGC Theme-based Research Project (T23-701/14-N) for Hui
文摘A future smart grid must fulfill the vision of the Energy Internet in which millions of people produce their own energy from renewables in their homes, offices, and factories and share it with each other. Electric vehicles and local energy storage will be widely deployed. Internet technology will be utilized to transform the power grid into an energysharing inter-grid. To prepare for the future, a smart grid with intelligent periphery, or smart GRIP, is proposed. The building blocks of GRIP architecture are called clusters and include an energy-management system (EMS)-controlled transmission grid in the core and distribution grids, micro-grids, and smart buildings and homes on the periphery; all of which are hierarchically structured. The layered architecture of GRIP allows a seamless transition from the present to the future and plug-and-play interoperability. The basic functions of a cluster consist of (1) dispatch, (2) smoothing, and (3) mitigation. A risk-limiting dispatch methodology is presented; a new device, called the electric spring, is developed for smoothing out fluctuations in periphery clusters; and means to mitigate failures are discussed.
文摘随着智能电网的快速发展,电力通信网络作为支撑电网运行的重要基础设施,其动态配置与运维技术日益受到关注。软件定义网络(Software Defined Network,SDN)作为一种新兴的网络架构,为电力通信网络的灵活性和可管理性提供了新的解决方案。文章针对基于SDN技术的电力通信网络动态配置运维技术进行了深入研究,提出了一种高效的动态配置策略,并通过仿真实验验证了其有效性和可行性。