科研之友
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摘要
A MicroGrid can be defined as an electrical network of small modular distributed generating units (whose prime movers may be photovoltaics, fuel cells, micro turbines or small wind generators), energy storage devices and controllable loads. A MicroGrid can operate in grid-connected or islanded mode and hence increase the reliability of energy supplies by disconnecting from the grid in the case of network faults or reduced power quality. The techniques that have been investigated to control MicroGrids in both modes are summarized as well as those proposed to maintain stability during the transitions from one mode to the other. Peer-peer control is contrasted with master-slave and the various approaches of droop control are discussed. The importance of energy storage to assist stability during transition between the operating modes is emphasised.
- 出版日期2010
- 单位天津大学
