Due to the intermittency and instability of Wind-Solar energy and easy compensation of hydropower, this study proposes a Wind-Solar-Hydro power optimal scheduling model. This model is aimed at maximizing the total sys...Due to the intermittency and instability of Wind-Solar energy and easy compensation of hydropower, this study proposes a Wind-Solar-Hydro power optimal scheduling model. This model is aimed at maximizing the total system power generation and the minimum ten-day joint output. To effectively optimize the multi-objective model, a new algorithm named non-dominated sorting culture differential evolution algorithm(NSCDE) is proposed. The feasibility of NSCDE was verified through several well-known benchmark problems. It was then applied to the Jinping Wind-Solar-Hydro complementary power generation system. The results demonstrate that NSCDE can provide decision makers a series of optimized scheduling schemes.展开更多
This article offers a demonstration of a novel technology that uses hydro and solar power combined with battery storage to generate electricity for deployment off coastal regions.Called the coastal power plant(CPP),su...This article offers a demonstration of a novel technology that uses hydro and solar power combined with battery storage to generate electricity for deployment off coastal regions.Called the coastal power plant(CPP),such an installation has a multistorey water reservoir that draws in seawater that is then pumped up in vertical stages by geyser pumps into an overhead tank,from which it is released into a hydropower plant to generate electricity.The ocean surface is utilized to install a floating solar plant for photovoltaic energy generation.The intermittent renewable source is combined with a battery energy storage system to meet peak demands.Offshore oil industry technologies are utilized in fabricating the structures on shore and towing them to the site.The potential and cost effectiveness of a 201-MW CPP are also analyzed.Results demonstrate the effectiveness of the new design in terms of investment and operation/maintenance costs.These compare favorably with other renewable energy technologies.展开更多
基金supported by the National Key R&D Program of China (2016YFC0402209)the Major Research Plan of the National Natural Science Foundation of China (No. 91647114)
文摘Due to the intermittency and instability of Wind-Solar energy and easy compensation of hydropower, this study proposes a Wind-Solar-Hydro power optimal scheduling model. This model is aimed at maximizing the total system power generation and the minimum ten-day joint output. To effectively optimize the multi-objective model, a new algorithm named non-dominated sorting culture differential evolution algorithm(NSCDE) is proposed. The feasibility of NSCDE was verified through several well-known benchmark problems. It was then applied to the Jinping Wind-Solar-Hydro complementary power generation system. The results demonstrate that NSCDE can provide decision makers a series of optimized scheduling schemes.
文摘This article offers a demonstration of a novel technology that uses hydro and solar power combined with battery storage to generate electricity for deployment off coastal regions.Called the coastal power plant(CPP),such an installation has a multistorey water reservoir that draws in seawater that is then pumped up in vertical stages by geyser pumps into an overhead tank,from which it is released into a hydropower plant to generate electricity.The ocean surface is utilized to install a floating solar plant for photovoltaic energy generation.The intermittent renewable source is combined with a battery energy storage system to meet peak demands.Offshore oil industry technologies are utilized in fabricating the structures on shore and towing them to the site.The potential and cost effectiveness of a 201-MW CPP are also analyzed.Results demonstrate the effectiveness of the new design in terms of investment and operation/maintenance costs.These compare favorably with other renewable energy technologies.
