Design of Off-Grid Wind-Solar Complementary Power Generation
This paper describes the design of an off-grid wind-solar complementary power generation system of a 1500m high mountain weather station in Yunhe County, Lishui City.
Notwithstanding these limitations, the result of this work clearly highlights the added value of using wind and solar PV complementarity and electricity criteria as a planning strategy for new VRE capacity deployment aiming to reduce the power flexibility needs, namely, the use of expensive energy storage systems.
Similarly, the degree of local complementarity is modulated by the atmospheric pattern: in some regions wind and solar powers can either add or oppose each other depending on the atmospheric configuration (e.g., winter power in Scandinavia under C1 and C4 patterns).
This study provided the first spatially comprehensive analysis of solar and Wind energy Complementarity on a global scale. In addition, it showed which regions of the world have a greater degree of Complementarity between Wind and solar energy to reduce energy storage requirements.
Han et al. have proposed a complementarity evaluation method for wind, solar, and hydropower by examining independent and combined power generation fluctuation. Hydropower is the primary source, while wind and solar participation are changed in each scenario to improve power system operation.
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