基于DSP技术的配电网设备电能质量监测系统

Power quality monitoring system of distribution network equipment based on DSP technology

针对当前我国电力部门对电能质量监测处理功能性需求问题,提出研制一种能够测量和管理当前配电网电能质量的监测系统。系统基于数字信号处理技术(DSP),利用处理控制区域多通道同步采集电气数据,并额外增设A/D转换模块,完成数据自主多通路转换,研发快速傅里叶变换算法,对当前DSP中的电气数据实现跨度分解,提高处理效率,最后给出软件部分算法实现过程,对系统整体应用流程进行详细描述。根据实验反馈结果可以确定,此次研发的配电网设备电能质量监测系统在满足电能质量国家监测标准的前提下,处理效率得到极大提高,符合研发猜想,具有推广应用价值。

Aiming at the problem of the power quality monitoring and dealing with the functional demand of the current power sector in China,a monitoring system which can measure and manage the power quality of the current distribution network is proposed. System based on digital signal processing(DSP)technology,the use of multi-channel synchronous electrical data processing control area,and add A/D conversion module,an additional independent more complete data access transformation,development of fast Fourier transform algorithm, the electrical data of the current DSP implementation span decomposition, improve the efficiency of processing, finally the software part of the algorithm implementation process,the overall system application process are described in details. According to the feedback results of the experiment,it can be determined that the power quality monitoring system of the distribution network equipment developed in this study greatly improves the processing efficiency under the premise of meeting the national power quality monitoring standards,which is in line with the research and development assumptions and has the value of popularization and application.