Life time analysis of distribution transformer using experimental design

This paper presents a 24 factorial design to analyze the joint effect of loading, cooling characteristics, ambient temperature, and Oil Time Constant (OTC) on transformer Loss of Life (LOL). Transformer LOL is calculated for 16 combinations of factor levels. Residential load profile obtained from a...

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Bibliographic Details
Main Authors: Heidari-Kapourchali, Mohammad, Mohsenzadeh, Amin, Sepehry, Mojtaba, Aravinthan, Visvakumar, Chengzong Pang
Format: Conference Proceeding
Language:English
Subjects:
Aging
Ambient temperature
Computer programs
Conferences
Cooling
Cooling effects
Design of experiment
Electronics
factorial design
Load modeling
Loading
loss of life
Mathematical models
Oil insulation
Power transformer insulation
Temperature
Transformers
Utilities
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Summary:This paper presents a 24 factorial design to analyze the joint effect of loading, cooling characteristics, ambient temperature, and Oil Time Constant (OTC) on transformer Loss of Life (LOL). Transformer LOL is calculated for 16 combinations of factor levels. Residential load profile obtained from a utility is used to precisely model the loading factor. Design-Expert® Software Version 9 is used to statistically analyze the joint effect of factors. Results show the significance and contribution of factors and their interactions to distribution transformer loss of life.
ISSN:2160-8563
DOI:10.1109/TDC.2016.7519998