New energy power generation assembly is scattered, which often involves many types of equipment, wide monitoring range, and complicated maintenance. In the meantime, the power generation is very unstable, which affects the ability of grid connection, causes difficulty of production and operation management, and increases the operating cost of enterprises. The PRS-3000G operation and maintenance system of CYG SUNRI provides complete operational management and equipment management functions, which can improve the equipment utilization rate and promote scientific production and operation management. Operational management includes equipment operation management, duty management, operation order management and work order management; Equipment management includes equipment account management, equipment transaction management and fault code management and so on.