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The control system is mainly used as a dedicated device to control the automatic conversion of one power generation and one power supply of diesel generator sets. It integrates digital, intelligent, and networked technologies for the start stop control, real-time monitoring, data measurement, and alarm protection of generator sets; It can also monitor the quality of the mains power supply and automatically control the start of the unit in case of deviation from the set value or power outage fault in the mains power supply, achieving the conversion between mains power and power generation.