Rapid cost reductions have led to the widespread deployment of renewable technologies such as solar photovoltaics(PV)and wind globally.Additional storage is needed when the share of solar PV and wind in electricity pr...Rapid cost reductions have led to the widespread deployment of renewable technologies such as solar photovoltaics(PV)and wind globally.Additional storage is needed when the share of solar PV and wind in electricity production rises to 50–100%.Pumped hydro energy storage constitutes 97%of the global capacity of stored power and over 99%of stored energy and is the leading method of energy storage.Off-river pumped hydro energy storage options,strong interconnections over large areas,and demand management can support a highly renewable electricity system at a modest cost.East Asia has abundant wind,solar,and off-river pumped hydro energy resources.The identified pumped hydro energy storage potential is 100 times more than required to support 100%renewable energy in East Asia.展开更多
In this paper a new market based analytical model is proposed for optimal placement of Wind Turbines (WTs) in power systems. In addition to wind turbines, thermal units (THUs) and Pumped Storage Hydro Power Plants (PS...In this paper a new market based analytical model is proposed for optimal placement of Wind Turbines (WTs) in power systems. In addition to wind turbines, thermal units (THUs) and Pumped Storage Hydro Power Plants (PSHPPs) owners participate in power market. Objective function is defined as participants’ social welfare achieved from power pool and ancillary markets in yearly horizon. Wind turbines have been modeled by probability-generation tree scenarios based on statistical information. We concentrate on investment profits of WTs numbers and its generation capacity beside to PSHPPs and THUs power plants in power systems due to increase in high flexible tools for Independent system operator into the planning and operation planning time interval. For effectiveness evaluation of proposed model, simulation studies are applied on 14-Bus IEEE test power system.展开更多
风电与抽水蓄能电站联合运行有利于减少弃风电量,降低风电波动对电网运行产生的不利影响。从经济效益和运行效益两个角度出发,计及风蓄联合系统(wind power and pumped hydro storage,WP-PHS)接入电网的输电极限约束,构建了以风蓄联合...风电与抽水蓄能电站联合运行有利于减少弃风电量,降低风电波动对电网运行产生的不利影响。从经济效益和运行效益两个角度出发,计及风蓄联合系统(wind power and pumped hydro storage,WP-PHS)接入电网的输电极限约束,构建了以风蓄联合系统经济效益和风蓄联合系统送出功率平稳为优化目标的大型风电和抽水蓄能电站协调的多目标优化模型。基于上述模型设计了风电入网最优规模计算方法,该方法通过对不同风电规模下各优化目标的比较来获得风电最优入网规模。应用上述方法对某大型风电基地和抽水蓄能电站进行仿真分析,结果表明,风电最优入网规模的确定有助于降低弃风电量,减少风电的盲目装机,提高风电运行的安全性和经济性。展开更多
基金Support from the Energy Transition Hub (https://www. energy-transition-hub.org/)the Australia Indonesia Centre (https://australiaindonesiacentre.org/)+2 种基金the Australian Renewable Energy Agency (https://arena.gov.au/)supported by ARENA and Data61partially supported by the Australian Government through the Australian Renewable Energy Agency (ARENA)
文摘Rapid cost reductions have led to the widespread deployment of renewable technologies such as solar photovoltaics(PV)and wind globally.Additional storage is needed when the share of solar PV and wind in electricity production rises to 50–100%.Pumped hydro energy storage constitutes 97%of the global capacity of stored power and over 99%of stored energy and is the leading method of energy storage.Off-river pumped hydro energy storage options,strong interconnections over large areas,and demand management can support a highly renewable electricity system at a modest cost.East Asia has abundant wind,solar,and off-river pumped hydro energy resources.The identified pumped hydro energy storage potential is 100 times more than required to support 100%renewable energy in East Asia.
文摘In this paper a new market based analytical model is proposed for optimal placement of Wind Turbines (WTs) in power systems. In addition to wind turbines, thermal units (THUs) and Pumped Storage Hydro Power Plants (PSHPPs) owners participate in power market. Objective function is defined as participants’ social welfare achieved from power pool and ancillary markets in yearly horizon. Wind turbines have been modeled by probability-generation tree scenarios based on statistical information. We concentrate on investment profits of WTs numbers and its generation capacity beside to PSHPPs and THUs power plants in power systems due to increase in high flexible tools for Independent system operator into the planning and operation planning time interval. For effectiveness evaluation of proposed model, simulation studies are applied on 14-Bus IEEE test power system.
文摘风电与抽水蓄能电站联合运行有利于减少弃风电量,降低风电波动对电网运行产生的不利影响。从经济效益和运行效益两个角度出发,计及风蓄联合系统(wind power and pumped hydro storage,WP-PHS)接入电网的输电极限约束,构建了以风蓄联合系统经济效益和风蓄联合系统送出功率平稳为优化目标的大型风电和抽水蓄能电站协调的多目标优化模型。基于上述模型设计了风电入网最优规模计算方法,该方法通过对不同风电规模下各优化目标的比较来获得风电最优入网规模。应用上述方法对某大型风电基地和抽水蓄能电站进行仿真分析,结果表明,风电最优入网规模的确定有助于降低弃风电量,减少风电的盲目装机,提高风电运行的安全性和经济性。