Smart microgrid reconfigurable AC interface

摘要

Presented is a system and method for providing reconfigurable AC interfaces for AC power systems. The method comprises embedding a reconfigurable AC interface for transferring power between power sources and loads, monitoring the voltage and current of the interfaces of the reconfigurable AC interface, and switching between power sources based on the monitoring. The system comprises a reconfigurable AC interface further comprising an inverter for converting DC power to AC, transfer switches with interfaces for connecting to the inverter, other transfer switches, and AC busses, and a controller that dynamically configures the transfer switches to transfer power between the inverter, and AC busses.

主权项

1. A method for controlling a microgrid, comprising:
embedding a plurality of reconfigurable AC interfaces each with interface nodes in the microgrid, the microgrid comprising a load and a plurality of power sources in electrical communication with said interface nodes, said reconfigurable AC interfaces comprising at least a first reconfigurable AC interface of a first distributed energy resource system and a second reconfigurable AC interface of a second distributed energy resource system, and wherein said reconfigurable AC interfaces are configured to transfer power from at least one of said power sources to said load; synchronizing an AC output of the first reconfigurable AC interface of said first distributed energy resource system with the second reconfigurable AC interface of said second distributed energy resource system; monitoring a voltage and current of at least one of said interface nodes of said first reconfigurable AC interface and said second reconfigurable AC interface; and switching said one of said first reconfigurable AC interface and said second reconfigurable AC interface to transfer power between said first distributed energy resource and said second distributed energy resource systems to provide an uninterruptable supply of power to said load based on said monitoring of said voltage and said current.