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A new seamless transfer control strategy of the microgrid
Zhaoyun Zhang1, Wei Chen1, Zhe Zhang1
1State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Huazhong University of Science & Technology, Wuhan 430074, China.
Thescientificworldjournal
|June 27, 2014
Summary
This study introduces an optimized control logic for microgrid mode conversion, ensuring seamless transitions between grid-connected and islanding modes. The validated scheme enhances microgrid stability and operational reliability.
Area of Science:
- Electrical Engineering
- Power Systems
Background:
- Microgrids offer flexible power solutions but require robust control for seamless mode transitions.
- Maintaining stability during grid-connected and islanding modes is crucial for microgrid reliability.
Purpose of the Study:
- To develop and validate an optimized control logic for microgrid mode conversion.
- To enhance the seamless transfer control between grid-connected and islanding operations.
Main Methods:
- Implementing a mode conversion controller with optimized master power control logic.
- Simulating PQ control for grid-connected mode and V/F control for islanding mode.
- Testing three types of planned conversion scenarios.
Main Results:
- The proposed scheme demonstrates correct and valid microgrid mode control.
- Simulation results confirm the effectiveness of the optimized control logic.
- The study details the implementation and application of the control device.
Conclusions:
- The optimized master power control logic ensures reliable microgrid mode conversion.
- The developed control scheme is effective for planned transitions between operational modes.
- The findings support the practical implementation of advanced microgrid control devices.
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