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配电变压器在线监测终端设计
引用本文:黄俊彦,刘永强.配电变压器在线监测终端设计[J].低压电器,2011(15):29-32.
作者姓名:黄俊彦  刘永强
作者单位:1. 华南理工大学电力学院,广东广州,510640
2. 广东省绿色能源技术重点实验室,广东广州,510640
基金项目:广东省绿色能源技术重点实验室资助项目(2008A06031002)
摘    要:针对目前配电变压器数量众多、分散,并且缺乏自动化监测手段的特点,设计一种配电变压器在线监测终端,通过GPRS无线模块实现配电变压器运行参数的远程传输,达到实时监控的目的。通过充分挖掘LPC2132的数字信号处理能力,用汇编语言设计高效的快速傅里叶变换算法,以满足谐波分析的实时性要求,主要介绍终端的硬件构成、软件设计思想以及电能质量分析算法。

关 键 词:配电变压器  在线监测  快速傅里叶变换

Design of Online Monitoring Terminal for Distribution Transformer
HUANG Junyan,LIU Yongqiang.Design of Online Monitoring Terminal for Distribution Transformer[J].Low Voltage Apparatus,2011(15):29-32.
Authors:HUANG Junyan  LIU Yongqiang
Institution:HUANG Junyan1,LIU Yongqiang2(1.School of Electric Power,South China University of Technology,Guangzhou 510640,China,2.Guangdong Key Laboratory of Green Energy Technology,China)
Abstract:A type of online monitoring terminal for distribution transformer to meet the demand of real-time harmonic analysis was designed.By making full use of the ability of digital signal processing with LPC2132,a high-efficiency Radix-4 fast Fourier transform(FFT) algorithm with assembly code was designed.The terminal's hardware design,software design and energy electrical quality analysis algorithm were mainly introduced.
Keywords:distribution transformer  online monitoring  fast Fourier transform(FFT)  
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