Abstract
As a necessary power source for substations and other important power-using places, substation power supply system provides working power for important loads such as control devices, relay protection, communication equipment and fire security systems. This paper addresses the problems of low operation efficiency, high human resource consumption and insufficient safety guarantee of the traditional power supply system, and proposes a solution for the integration of AC and DC in intelligent substations, which realizes the integration, intelligence and networking of the power supply system, improves the overall management level of the power supply system and the continuity of power supply, and has certain reference value for the design and application of the integrated power supply system in the future.
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