With the development of distribution automation system, the centralized meter reading system has been adopted more and more extensively, which provides real-time electricity consumption data of end-users, and conseque...With the development of distribution automation system, the centralized meter reading system has been adopted more and more extensively, which provides real-time electricity consumption data of end-users, and consequently lays foundation for operating condition on-line analysis of distribution network. In this paper, a modified back/forward sweep method, which directly uses real-time electricity consumption data acquired from the centralized meter reading system, is proposedto realize voltage analysis based on 24-hour electricity consumption data of a typical transformer district. Furthermore, the calculated line losses are verified through data collected from the energy metering of the distribution transformer, illustrating that the proposed method can be applied in analyzing voltage level and discovering unknown energy losses, which will lay foundation for on-line analysis, calculation and monitoring of power distribution network.展开更多
线损是电力企业的一项综合性技术经济指标,它反映了供电企业的运营管理水平.通过分析配电网线损管理的现状,对其工作流程进行了详细的阐述.并对线损理论计算方法如均方根电流法、平均电流法、最大电流法和等值电阻法等进行了初步探索...线损是电力企业的一项综合性技术经济指标,它反映了供电企业的运营管理水平.通过分析配电网线损管理的现状,对其工作流程进行了详细的阐述.并对线损理论计算方法如均方根电流法、平均电流法、最大电流法和等值电阻法等进行了初步探索.采用了前推回代法,通过二叉树理论构造数据结构,利用 C 语言实现线损计算软件编程.展开更多
文摘With the development of distribution automation system, the centralized meter reading system has been adopted more and more extensively, which provides real-time electricity consumption data of end-users, and consequently lays foundation for operating condition on-line analysis of distribution network. In this paper, a modified back/forward sweep method, which directly uses real-time electricity consumption data acquired from the centralized meter reading system, is proposedto realize voltage analysis based on 24-hour electricity consumption data of a typical transformer district. Furthermore, the calculated line losses are verified through data collected from the energy metering of the distribution transformer, illustrating that the proposed method can be applied in analyzing voltage level and discovering unknown energy losses, which will lay foundation for on-line analysis, calculation and monitoring of power distribution network.
文摘线损是电力企业的一项综合性技术经济指标,它反映了供电企业的运营管理水平.通过分析配电网线损管理的现状,对其工作流程进行了详细的阐述.并对线损理论计算方法如均方根电流法、平均电流法、最大电流法和等值电阻法等进行了初步探索.采用了前推回代法,通过二叉树理论构造数据结构,利用 C 语言实现线损计算软件编程.