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International Conference on Information, Electronic and Computer Science (ICIECS 2010 E-BOOK)

Zibo,China,11.26-11.28,2010

ISBN: 978-1-935068-42-6 Scientific Research Publishing, USA

E-Book 2224pp Pub. Date: November 2010

Category: Computer Science & Communications

Price: $360

Title: The Measurement of Electric Power Based on FFT and Principle of Phase-Locked Loop
Source: International Conference on Information, Electronic and Computer Science (ICIECS 2010 E-BOOK) (pp 829-832)
Author(s): Xue-feng Zhang, College of Material Engineering，University of Pan Zhihua, Pan Zhihua Sichua, China
Hui-rong Li, The Information And Electrical Engineering College,University of Pan Zhihua, Pan Zhihua Sichua, China;
Wen-ying Tao, The Information And Electrical Engineering College,University of Pan Zhihua, Pan Zhihua Sichua, China;
Abstract: The measurement principle of electric power based on Fast fourier transform, Phase-locked loop and DSP and its implementing method were discussed in this paper. It turns out that through this method high-speed and multi-point sampling, large quantity accumulation and real-time calculation are carried out successfully, and the bad effect of higher harmonics to the measuring accuracy is weakened. So this method has the characteristic of fast dynamic response, high precision (up to 0.02) and strong anti-interference.
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