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Power and Energy Engineering Conference (PEEC 2010 E-BOOK)

Wuhan,China,9.11-9.13，2010

ISBN: 978-1-935068-17-4 Scientific Research Publishing, USA

E-Book 846pp Pub. Date: October 2010

Category: Engineering

Price: $80

Title: A New Power Quality Disturbances Detection Algorithm Based on EMTDC/PSCAD and HHT
Source: Power and Energy Engineering Conference (PEEC 2010 E-BOOK) (pp 462-466)
Author(s): Yiqi Peng, School of Electrical Engineering, Wuhan University, Wuhan, China
Jiaqiang Wu, Guangzhou Power Supply Bureau, Guangzhou, China
Abstract: As the power quality disturbance is becoming increasingly serious in power system, the classification and identification for power quality disturbances has become a research hotspot recently. For correct identification of disturbance types and the purpose of providing accurate characteristic parameters for the process, we’ve proposed a method which is based on the HHT and PSCAD/EMTDC. HHT is able to extract instantaneous amplitude, frequency and disturbance duration of multiple power disturbances signals accurately, and has the advantage of few extracted parameter kinds and precise representation of disturbance features and degree of signals. We use the PSCAD/EMTDC to establish identification rules on the basis of the characteristics of each power disturbance, and to utilize the judgment and reasoning of the rules for the identification for power disturbance.
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