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In today's electrified era, power generation equipment is widely used. The fluctuation of the load leads to changes in the number of operating generators in the power system. The parallel operation of diesel generators (including grid - connected operation of generators) is a frequent and important operation. The parallel operation of generators has numerous application fields, such as ships, mines, and power plants, and plays a significant supplementary role in the national production and people's lives. As the single - unit capacity of synchronous generators continues to increase, when the two - phase circuits are connected at the moment of paralleling, appropriate paralleling conditions can enable a smooth transition from the original two stable operating states to one stable operating state. Improper operation will generate a harmful inrush current, which may cause electrical damage to the windings of the generator set and even produce a large electromagnetic torque, resul...