Objective Considering the current problems of mobile emergency power supply vehicles, such as small capacity, limited continuous power supply time, and high pollution, this paper conducts an electrical system design for a microgrid with a gas-cooled micro reactor as the main power source. It forms a mobile micro nuclear power source mainly composed of a gas-cooled micro reactor and energy storage, achieving stable operation in both island and grid-connected modes and smooth switching between various control strategies, providing high-quality electricity for loads and meeting the power demands in specific scenarios.
Method Firstly, based on the technical requirements and operational needs of the gas-cooled microreactor-based microgrid, the parameters of each power source were reasonably configured. Secondly, according to the actual operational demands, the main electrical connection of the gas-cooled microreactor-based microgrid was designed. Lastly, operational schemes were formulated in accordance with the multi-scenario operational requirements and networking plans of the gas-cooled microreactor-based microgrid.
Result The designed electrical system and operational scheme for the gas-cooled microreactor-based microgrid enable stable operation of the nuclear microgrid under various conditions, possessing capabilities for black start and independent reactor shutdown.
Conclusion The design of this electrical system holds practical engineering significance, contributing to accelerating the practical implementation of mobile micro nuclear power sources. It provides high-quality electrical energy supply for regions such as remote mountainous areas, islands, and small industrial parks.
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