文档介绍：攀枝花学院本科毕业设计(论文)
[基于DSP对电力系统的谐波测量及数据分析]
学生姓名:
学生学号:
院(系): 电气信息工程学院
年级专业: 2003级电子信息工程
指导教师:
二〇〇七年六月
摘要
本文首先回顾了国内电力系统谐波监测装置的现状,分析了数字信号处理芯片(DSP)在电力系统中的应用前景。然后,介绍了谐波的基本概念、衡量指标和数学分析方法。最后针对电力部门和实际应用的需要,提出了以AD73360和数字信号处理芯片TMS320C5402构成的硬件系统设计构想。
论文完成了基本的硬件电路设计和软件算法设计。
硬件设计方面,根据电力系统中数据采集和处理的实际特点,设计信号的多通道同时采样,A/D和DSP芯片的处理速度快的优势,满足了实时性的要求。
软件算法方面,系统采用传统的快速傅立叶变换(FFT),对采集的电压和电流信号进行频谱分析。论文中还详细分析了信号的采样问题。初步设计了对采集数据进行计算和处理的相关软件算法,实现了对谐波的测量功能。
本装置可以进行快速的信号采集和实时的谐波分析。
关键词:数字信号处理器(DSP),谐波,McBSP
Abstract
By loking back on the present situations of the electric harmonic monitoring equipments, the prospect of the pracitical appliication of Digital Signal Processor (DSP) in the electric power system is discussed in this paper. This paper briefly analyzes the concepts of harmonic and then proposes the hardware structure made up of AD73360 (A/D) and TMS320C5420 (DSP) at the demand of practical applications of power department.
The design of both hardware and software is finished.
A real-time high-speed multi-channel, synchronous data sampling and processing system is designed based on DSP. AD73360 is directly connected to Multi-channel Buffered Serial Port (McBSP which is a kind of six-wired synchronous serial port) on DSP for data exchange.
The sampled voltage and current signals are harmonic analyzed by DSP using the fast Fourier transform (FFT) algorithm. Some considerations conceming about the signal samnling are also discussed..
The equipment can provide high-speed signal sampling and real-time harmonic analysis.
keywords: DSP (Digital Signal Processor), Harmonic, McBSP (Multi-channel Buffered Serial Port)
目录
摘要………………………………………………………………………………………Ⅰ
ABSTRACT…………………………………………………………………………………… Ⅱ
1 绪论…………………………………………………………………………………………… 1
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2 电能质量参数的测量和计算公式…………………………………………………………
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