基于J2EE架构的线损理论计算与诊断分析系统开发与应用

为加强电网线损精细化管理水平和提高电力企业经济效益，建立了高压直流输电系统电网元件电能损耗计算、线损诊断分析及降损潜力分析模型，研发了基于J2EE架构的线损理论计算与诊断分析系统。该系统通过与EMS系统、SCADA系统、生产管理系统、计量自动化系统、营销管理系统、配网自动化系统以及营配数据集中管理系统的开放性接口设计，不仅实现了线损数据的自动抽取和高效合成，还实现了线损理论在线计算和线损诊断分析及降损潜力分析功能。该系统安全性高，可移植性强，为电网线损理论计算及精细化管理、电网经济运行、电网规划与节能改造提供科学决策工具，具有广阔的应用前景。

Development and application of theoretical calculation and diagnosis analysis system of line loss based on J2EE framework

In order to strengthen the meticulous management of line loss and improve the economic benefits of electric power company, this paper establishes the model of electric energy loss calculation model of power grid component in HVDC system and diagnosis analysis and loss reduction potential analysis of line loss, develops theoretical calculation and diagnosis analysis system of line loss based on J2EE framework. With the EMS system, SCADA system, production management system, measurement automation system, marketing management system, distribution network automation system, and the data centralized management system, through the open design, it not only realizes the automatic extraction of line loss data and efficient synthesis, but also achieves the line loss theoretical calculation online, energy loss diagnosis analysis and loss reduction potential analysis function. The proposed system has high security and portability, and can provide a scientific decision-making tool for theoretical calculation of line loss and meticulous management, economic operation, power grid planning and energy saving reconstruction, so it has broad application prospect.