Key Technology of Integrated Power Generation System containing Wind/Solar/Hydro/Thermal and Energy Storage

The deep-seated contradictions such as the low comprehensive efficiency of the power system and the lack of complementarity and mutual assistance of various power sources have become increasingly prominent, which need to be coordinated and optimized. The integration of wind, solar, hydro, thermal, and energy storage can improve the clean utilization level of energy and the operation efficiency of power systems, give full play to the advantages of regions rich in new energy resources and realize the large-scale consumption of clean power. Starting from the composition structure and overall solution of the integrated system, this paper analyzes the system boundary of the multiple energy complementary system, different composition forms of the system, as well as the key technologies such as joint monitoring, energy coupling scheduling, and optimal allocation of energy storage in the process of building the integration, to provide support for the construction of wind, solar, hydrothermal storage integrated power generation system.