NDLI: Lifetime prediction of IGBT in a STATCOM using modified-graphical rainflow counting algorithm

Content Provider	IEEE Xplore Digital Library
Author	GopiReddy, L. Tolbert, L.M. Ozpineci, B.
Copyright Year	2012
Description	Author affiliation: Electrical Engineering and Computer Science Department, The University of Tennessee, Knoxville, USA (GopiReddy, L.; Tolbert, L.M.) \|\| Power Electronics and Electric Machinery Group, Oak Ridge National Laboratory, TN, USA (Ozpineci, B.)
Abstract	Rainflow algorithms are one of the best counting methods used in fatigue and failure analysis [17]. There have been many approaches to the rainflow algorithm, some proposing modifications. Graphical Rainflow Method (GRM) was proposed recently with a claim of faster execution times [10]. However, the steps of the graphical method of rainflow algorithm, when implemented, do not generate the same output as the four-point or ASTM standard algorithm. A modified graphical method is presented and discussed in this paper to overcome the shortcomings of graphical rainflow algorithm. A fast rainflow algorithm based on four-point algorithm but considering point comparison than range comparison is also presented. A comparison between the performances of the common rainflow algorithms [6–10], including the proposed methods, in terms of execution time, memory used, and efficiency, complexity, and load sequences is presented. Finally, the rainflow algorithm is applied to temperature data of an IGBT in assessing the lifetime of a STATCOM operating for power factor correction of the load. From 5-minute data load profiles available, the lifetime is estimated to be at 3.4 years.
Starting Page	3425
Ending Page	3430
File Size	899129
Page Count	6
File Format	PDF
ISBN	9781467324199
ISSN	1553572X
e-ISBN	9781467324212
e-ISBN	9781467324205
DOI	10.1109/IECON.2012.6389349
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-10-25
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Automatic voltage control Strain Accuracy Insulated gate bipolar transistors Artificial intelligence Complexity theory MATLAB reactive compensation Counting methods Rainflow Algorithm fatigue failure analysis STATCOM
Content Type	Text
Resource Type	Article

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