说明：  详细的柴油发电机建模，修改参数，实现端电压建立过程分析；在网发电机稳定后，待并网发电机根据情况实现并车，同时分析电网电参数变化情况
(Detailed modeling of diesel generator, modification of parameters, realization of terminal voltage establishment process analysis; after the grid generator is stable, the grid connected generator will realize parallel operation according to the situation, and analyze the change of grid electrical parameters at the same time)