电器与能效管理技术Issue(11)：28-32,5.
智能电站中电子式互感器数字接口的设计
Design of Electronic Transformer Digital Interface in Smart Substation
朱超 1王锐 2顾小宇 1吴晓辰1
作者信息
- 1. 江苏省电力公司 检修分公司，江苏 南京 211102
- 2. 泰州供电公司，江苏 泰州 225300
- 折叠
摘要
Abstract
In smart substation,the digital interface of merging unit should possess the sampling rate conversion function to meet the demands of different IEDs;besides,it should also meet the demand of differential protection action.This paper studied the modules of signal-noise separation and sampling rate conversion.To improve the accuracy of protection action,a signal de-noising method algorithm was designed.To reduce the group delay of high order finite impulse response in sampling rate conversion,a zero phase filtering algorithm was designed.Combining those two algorithms,the different sampling rates of ECTs’sampled data can be converted to the same one,to realize the quick rate unification and improve the speed of differential protection.关键词
数字接口/小波消噪/采样率转换/零相位滤波Key words
digital interface/wavelet de-noising/sampling rate conversion/zero phase filtering分类
信息技术与安全科学引用本文复制引用
朱超,王锐,顾小宇,吴晓辰..智能电站中电子式互感器数字接口的设计[J].电器与能效管理技术,2015,(11):28-32,5.
