Inter-harmonic wave detection apparatus for electric power distribution system

The utility model discloses an inter-harmonic wave detection apparatus for an electric power distribution system. The apparatus comprises a three phase current signal acquisition module, a signal processing module, and an output display module, wherein three phase stationary coordinate to two phase...

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Bibliographic Details
Main Authors SHAO JIANJUN, CHEN HAIXU, LI RONGGAO, YANG WENHUAN, WU JIANGUO, QIAN KAN, XU CHANGGUI, LIU YONGPING, WANG JIANLIN, ZHANG YU
Format Patent
LanguageChinese
English
Published 21.08.2013
Subjects
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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Summary:The utility model discloses an inter-harmonic wave detection apparatus for an electric power distribution system. The apparatus comprises a three phase current signal acquisition module, a signal processing module, and an output display module, wherein three phase stationary coordinate to two phase stationary coordinate transformation processing operation, two phase stationary coordinate to two phase synchronous inter-harmonic wave frequency rotation coordinate transformation processing operation, low pass filtering processing operation, two phase synchronous inter-harmonic wave frequency rotation coordinate to two phase stationary coordinate transformation processing operation and two phase stationary coordinate to three phase stationary coordinate transformation processing operation are orderly performed on three phase current signals by the signal processing module. The inter-harmonic wave detection apparatus for an electric power distribution system is highly effective in detection of inter-harmonic wave
Bibliography:Application Number: CN2013290817U