基于DSP的微电网电能质量监测及控制技术研究  

Research on Power Quality Monitoring and Control Technology of Microgrid Based on DSP

作　　者：保拉 李庆兵 侯保建 李知晓 BAO La;LI Qingbing;HOU Baojian;LI Zhixiao(State Grid Info.&Telecom Group,Beijing 100000,China;Beijing Sgitg Accenture Information Technology Center Co.,Ltd.,Beijing 100000,China;Beijing University of Technology,Beijing 100000,China)

机构地区：[1]国网信息通信产业集团有限公司,北京100000 [2]北京国网信通埃森哲信息技术有限公司,北京100000 [3]北京工业大学,北京100000

出　　处：《电工技术》2024年第24期169-172,共4页Electric Engineering

摘　　要：针对微电网中电能质量电压偏差、谐波等问题,研究了一种基于DSP的微电网电能质量监测及控制技术。首先设计了一种以DSP控制器为核心的电能质量监测系统,主要完成信号采集、有源低通滤波、AD模数转换及同步采样等电路功能设计;其次以LabVIEW平台为基础进行软件结构设计,实现电能质量数据的分析、存储及显示等功能;最后结合实验平台进行系统测试,结果表明该监测系统的的准确率较高,能够满足对电能质量参数的监测及控制要求。In view of the problems of harmonic pollution and voltage drop of power quality(PQ)in the microgrid,a DSP-based PQ monitoring and control technology for microgrid is studied.First,a PQ monitoring system with DSP controller as the core is designed,which mainly completes the circuit function design of signal acquisition,active low-pass filtering,AD analog-to-digital conversion,and synchronous sampling.Secondly,the software structure design is based on the Labview platform to realize the functions of PQ data analysis,storage and display.Finally,combined with the experimental platform for system testing,the results show that the proposed system has a high accuracy rate and can meet the monitoring and control requirements of power quality parameters.

关 键 词：微电网 电能质量监测 信号采集 DSP控制器 

分 类 号：TM727[电气工程—电力系统及自动化]