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Design and Implementation of Power Quality Monitoring System Based on DSP

Author: DengShaoJun
Tutor: ZhangZhenChuan
School: Northeastern University
Course: Communication and Information System
Keywords: power quality real-time monitor digital signal processor fast fourier transform analog to digital convertor dual-port static RAM
CLC: TM764
Type: Master's thesis
Year: 2006
Downloads: 590
Quote: 13
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Abstract


With great deals of electronic devices and other nonlinear loads such as electric arc furnace are widely put to use nowadays, productivity is greatly improved on one hand, but power quality of the electricity system encounters serious damage. At the same time, development of micro-electronics technique spurs wide application of all kinds of automatic devices and greatly advances productivity. But many serious accident and huge damage occurred in the manufacture process in that the device sensitivity for descending power quality. Now, how to improve the electrical power quality and guarantee the current collector stable becomes one of the widespread attention focal point in domestic and foreign countries.The thesis deals mainly with a power quality monitor system which based on digital signal processor (DSP), a powerful computing function chip. The device can monitor power quality online, display real-time measured data and save wrong data. So it can provide accurate proof in testing electricity net and amending of power quality. The device can be installed primarily in medium or low voltage output side and input side of big consumers as local terminal of power quality online monitoring system.The paper contains three primary parts. It reviewed the development course of the power system parameter measurement and outlined the background of power quality question in the first. Secondly, phenomenon of power quality problem was discussed entirely, and the keystone of this part was measurement of power quality, it studied each analysis method as well as the measuring instrument. Finally, the software and hardware of some power quality monitoring device which based on DSP was come true. The prospect of its future application was simply estimated in the end.TMS320VC33 is designed as the central processor of the device which is the product of company TI. The device can meets the need of in-time monitoring for more than one power quality parameters. Key techniques we have adopted for the prospected function are as follows: analyze and achieve the digitization of country standard

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CLC: > Industrial Technology > Electrotechnical > Transmission and distribution engineering, power network and power system > Power system automation > Distant measurement and remote control
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