SYSTEM AND METHOD OF LARGE AREA MICROGRID STABILITY CONTROLS

摘要

A microgrid system may control power distribution among a plurality of interconnected microgrids operated under droop mode. The microgrids may operate both autonomously and as part of the system. Stable power distribution between the microgrids may be performed by monitoring operation of the microgrids and electrically disconnecting the microgrids from one another when a power outage or performance outside of a tolerance is detected. Network lines between the microgrids may remain in communication while the microgrids are disconnected from one another. The microgrids may operate autonomously under a preset operating droop frequency until power stability is detected at a boundary between adjacent microgrids. The microgrids may communicate with one another adjusting operating droop until synchronization among microgrids is achieved and the microgrids can be reconnected into the microgrid system.

主权项

1. A microgrid system, comprising:
a first microgrid including a first plurality of loads and a first plurality of power sources connected to the first plurality of loads; a first microgrid controller coupled to the first microgrid; a second microgrid connected to the first microgrid, the second microgrid including a second plurality of loads and a second plurality of power sources connected to the second plurality of loads; and a second microgrid controller coupled to the second microgrid, wherein the first microgrid controller and the second microgrid controller are configured to adjust an operating droop frequency of their respective first and second microgrids and control power flow between the first and second microgrids by the adjustment of the operating droop frequency.