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Research and design of wireless harmonic detector for high voltage power network based on field intensity method

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4 Author(s)
Jinbo Zhang ; Coll. of Comput. & Inf. Eng., Hohai Univ., Changzhou ; Xiang Zhan ; Aihua Cao ; Zhou Lie

In order to solve the problem that harmonic canpsilat be measured directly in high voltage power lines presently, a wireless detection method based on field intensity method is proposed. Through theoretical analysis, building the mathematical model of field intensity and voltage difference between two points around high voltage power lines and using Matlab software to simulate field intensity, the method was proved correctly. On the basis of this theory, a scheme was presented, using field intensity method and wireless ways to get voltage signals from high voltage power lines directly, and a laboratory prototype was also designed. This prototype is composed of a sending device with DSP as itpsilas core and a receiving device with CPU as itpsilas core. The simulation and experimental results shows that the wireless harmonic detector of high voltage power network based on field intensity method can detect harmonic from high voltage power lines directly and effectively.

Published in:

Control and Decision Conference, 2008. CCDC 2008. Chinese

Date of Conference:

2-4 July 2008