| Computer & Industrial Engineering |
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| Harmonic detection an AC excited generation system based on in-phase correlation filtering |
| HE Yi-kang, SUN Dan, WANG Wen-ju, SHI Yun |
| College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China |
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Abstract The paper reports results of investigation on the harmonic detection technique of a complicated power supply system such as an AC excited generation system, which has a variable fundamental frequency and low order harmonics with rich sub-harmonics whose frequencies are lower than the fundamental one. The in-phase correlation filtering technique, based on the frequency shifting principle, is proposed in this paper. Theoretical analysis and experimental results validate the effectiveness of this technique for the harmonic detections of AC excited generation systems.
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Received: 06 January 2001
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