METHOD FOR CONTROLLING A MICROGrid AND ASSOCIATED MICROGrid
By adopting control methods in the microgrid, using circuit breakers, distributed energy resources and switching equipment, the problem of microgrid interrupting load during the fault crossing period is solved, rapid isolation of critical loads and stable connection of distributed energy resources is achieved, and the stability and reliability of the microgrid is ensured.
Patent Information
- Application Number
- CN202411340082.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Priority Date
- 2023-09-25
- Filing Date
- 2024-09-25
- Publication Date
- 2025-03-25
AI Technical Summary
During the fault crossing period, all loads connected to the microgrid are interrupted in power and cannot meet the fault crossing requirements of the utility grid for inverter-based generators.
By a method for controlling a microgrid, the microgrid includes a circuit breaker, a distributed energy resource, a switching device and a microgrid controller, the method includes maintaining the switching device and the circuit breaker closed, measuring the voltage in the microgrid, if a voltage loss or a fault is detected, the switching device is turned on, the critical load is supplied by the battery energy storage system, and the circuit breaker remains closed during the fault traversal period.
Fast isolation of critical loads during grid interference is achieved while distributed energy resources remain connected to the utility grid until fault traversal is completed, ensuring the stability and reliability of the microgrid.