Extracting Load Current Influence From Infrared Thermal Inspections

被引：15
作者：
Bortoni, Edson da Costa [1 ]
dos Santos, Laerte [2 ]
Bastos, Guilherme Sousa [1 ]
de Souza, Luiz Edival [1 ]
Conti Craveiro, Marco Antonio [1 ]
机构：
[1] Univ Fed Itajuba, BR-37500903 Itajuba, MG, Brazil
[2] Furnas Centrais Eletr, BR-37945970 Sao Jose Da Barra, MG, Brazil
来源：
IEEE TRANSACTIONS ON POWER DELIVERY | 2011年 / 26卷 / 02期
关键词：
Infrared (IR) imaging; power system maintenance; substation measurements;
D O I：
10.1109/TPWRD.2010.2046068
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper presents some difficulties encountered when evaluating information obtained from infrared thermal inspections conducted in uncovered power substations. Technical, physical, and environmental factors are the main influences that have been identified. Based on field data and laboratory tests, mathematical models were derived to understand the load current variation influence on the thermal behavior of electrical components, which are suitable either to extract its influence or forecast the system behavior under specified conditions of interest.
引用
收藏
页码：501 / 506
页数：6
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