1.Background and context Maximizing the value of distributed energy resources(DERs)on the Australian electricity energy system while also making sure that their widespread uptake does not compromise system stability a...1.Background and context Maximizing the value of distributed energy resources(DERs)on the Australian electricity energy system while also making sure that their widespread uptake does not compromise system stability and reliability is a looming challenge for energy network operators and market operators.In the absence of a national standard for DER connectivity and third-party external control,equipment manufactured for the DER market,such as residential photovoltaic(PV)inverters and battery storage systems cannot provide optimal value to the energy system.The main challenges relate to high penetrations of unmanaged PV systems,which can result in power-quality issues and reverse power flows on local sections of distribution networks;there are also missed opportunities if distributed PV inverter management is considered as a separate issue from load management.展开更多
历史能力对家庭医学的未来发展至关重要,反思家庭医学历史是探讨其未来的首要环节。本期为您带来《Journal of the American Board of Family Medicine》杂志的最新家庭医学动态——回到未来:家庭医学未来项目(FFM)历史的反思;从...历史能力对家庭医学的未来发展至关重要,反思家庭医学历史是探讨其未来的首要环节。本期为您带来《Journal of the American Board of Family Medicine》杂志的最新家庭医学动态——回到未来:家庭医学未来项目(FFM)历史的反思;从多代人的角度对FFM历史和家庭医学过去十年演变进行反思,旨在引发代际对话。此类代际对话能够使年长者与年轻人共享智慧,同时以后代之眼呈现学科历史,期望对我国的全科医学未来发展规划有所启发。展开更多
文摘1.Background and context Maximizing the value of distributed energy resources(DERs)on the Australian electricity energy system while also making sure that their widespread uptake does not compromise system stability and reliability is a looming challenge for energy network operators and market operators.In the absence of a national standard for DER connectivity and third-party external control,equipment manufactured for the DER market,such as residential photovoltaic(PV)inverters and battery storage systems cannot provide optimal value to the energy system.The main challenges relate to high penetrations of unmanaged PV systems,which can result in power-quality issues and reverse power flows on local sections of distribution networks;there are also missed opportunities if distributed PV inverter management is considered as a separate issue from load management.
文摘历史能力对家庭医学的未来发展至关重要,反思家庭医学历史是探讨其未来的首要环节。本期为您带来《Journal of the American Board of Family Medicine》杂志的最新家庭医学动态——回到未来:家庭医学未来项目(FFM)历史的反思;从多代人的角度对FFM历史和家庭医学过去十年演变进行反思,旨在引发代际对话。此类代际对话能够使年长者与年轻人共享智慧,同时以后代之眼呈现学科历史,期望对我国的全科医学未来发展规划有所启发。