The penetration of renewable generation will affect the energy utilization efficiency,economic benefit and reliability of the active distribution network(ADN).This paper proposes a time-sequence production simulation(...The penetration of renewable generation will affect the energy utilization efficiency,economic benefit and reliability of the active distribution network(ADN).This paper proposes a time-sequence production simulation(TSPS)method for re-newable generation capacity and reliability assessments in ADN considering two operational status:the normal status and the fault status.During normal operation,an optimal dispatch model is proposed to promote the renewable consumption and increase the economic benefit.When a failure occurs,the renewable generators are partitioned into islands for resilient power supply and reliability improvement.A novel dynamic island partition model is presented based on mixed integer second-order cone programming(MISOCP).The effectiveness of the proposed TSPS method is demonstrated in a standard network integrated with historical data of load and renewable generations.展开更多
随着广播电视行业向数字化、网络化转型,网际互连协议(Internet Protocol,IP)化制播系统成为革新节目生产模式的核心技术。该系统通过将视音频信号转化为IP数据包,利用以太网传输和软件定义网络(Software Defined Network,SDN)技术实现...随着广播电视行业向数字化、网络化转型,网际互连协议(Internet Protocol,IP)化制播系统成为革新节目生产模式的核心技术。该系统通过将视音频信号转化为IP数据包,利用以太网传输和软件定义网络(Software Defined Network,SDN)技术实现节目生产全流程重构。研究表明,IP化制播系统凭借效率提高、技术适配性增强及成本节约等优势,显著优化节目制作、传输分发及播出环节,为媒体融合背景下的内容生产提供了高效解决方案。展开更多
基金This work was supported in part by the National Key Research and Development Program of China(Grant No.2016YFB0900100)the National Natural Science Foundation of China(Grant No.51807051)the Natural Science Foundation of Jiangsu Province(Grant No.BK20180507).
文摘The penetration of renewable generation will affect the energy utilization efficiency,economic benefit and reliability of the active distribution network(ADN).This paper proposes a time-sequence production simulation(TSPS)method for re-newable generation capacity and reliability assessments in ADN considering two operational status:the normal status and the fault status.During normal operation,an optimal dispatch model is proposed to promote the renewable consumption and increase the economic benefit.When a failure occurs,the renewable generators are partitioned into islands for resilient power supply and reliability improvement.A novel dynamic island partition model is presented based on mixed integer second-order cone programming(MISOCP).The effectiveness of the proposed TSPS method is demonstrated in a standard network integrated with historical data of load and renewable generations.
文摘随着广播电视行业向数字化、网络化转型,网际互连协议(Internet Protocol,IP)化制播系统成为革新节目生产模式的核心技术。该系统通过将视音频信号转化为IP数据包,利用以太网传输和软件定义网络(Software Defined Network,SDN)技术实现节目生产全流程重构。研究表明,IP化制播系统凭借效率提高、技术适配性增强及成本节约等优势,显著优化节目制作、传输分发及播出环节,为媒体融合背景下的内容生产提供了高效解决方案。