基于分布式和微服务技术的电能质量监测系统设计与应用

Design and Application of Power Quality Monitoring System Based on Distributed and Microservice Technology

针对电网谐波源呈现海量化,多谐波源耦合叠加严重影响电网电能质量的问题,基于分布式和微服务技术开发了电能质量监测系统。该系统采用分层分布结构设计,通过分布式计算、缓存等技术处理海量监测数据,利用微服务技术灵活开发和扩展电能质量分析功能,具备接入1000个电能质量终端的能力,包含专项分析和高级应用等特殊模块,可专项评估风电接入高低电压过渡故障特征,统计电压暂降和脱网信息等,以及嵌入了电能质量稳态扰动主成因分析等功能,实现了对电能质量状况的全面监测和快速分析。

Aiming at the problem of massive harmonic sources in the current power grid,and the serious affects of the power quality of the power grid caused by the coupling and superposition of multiple harmonic sources,a power quality monitoring system has been developed on the basis of distributed and microservice technologies.The system adopts a hierarchical distributed structure design,which processes massive monitoring data through distributed computing,caching and other technologies,and flexibly develops and expands power quality analysis functions utilizing microservice technology.Currently,it has the ability to access 1000 power quality terminals,including special modules such as special analysis and advanced applications,which can specifically assess the characteristics of high and low voltage transition faults of wind power access,and statistically assess the voltage dips and off-grid information,etc.In addition,it has embedded power quality steady state disturbance main cause analysis and other functions,to realize the comprehensive monitoring and rapid analysis of power quality conditions.