Diagnosis of onload tap changer contact degradation by dynamic resistance measurements

IEEE Transactions on Power Delivery

Volumn 25, Issue 4, 2010, Pages 2121-2131

  Erbrink, Jur J ^a   Gulski, Edward ^a   Smit, Johan J ^a   Seitz, Paul P ^b   Quak, Ben ^b   Leich, Rory ^c   Malewski, Ryszard ^a  

^a DELFT UNIVERSITY OF TECHNOLOGY   (Netherlands)

^b Seitz Instruments AG   (Switzerland)

^c Malewski Electric ^*

Author keywords

Contact resistance; dynamic resistance measurement; dynamic response; onload tap changer; power transformers; selector contacts

Indexed keywords

CONTACT DEGRADATION; DEGRADATION EFFECT; DEGRADATION MECHANISM; DIAGNOSTIC METHODS; DYNAMIC RESISTANCE; DYNAMIC RESISTANCE MEASUREMENT; EXPERIMENTAL INVESTIGATIONS; FUNCTIONAL CHECKS; OFFLINE; ON-LOAD TAP CHANGERS; ONLOAD TAP CHANGER; SELECTOR CONTACTS; TRANSFORMER FAILURE;

CONTACT RESISTANCE; DEGRADATION; DISTRIBUTED POWER GENERATION; DYNAMIC RESPONSE; ELECTRIC RESISTANCE MEASUREMENT; TRANSFORMER SUBSTATIONS;

POWER TRANSFORMERS;

EID: 77957003902     PISSN: 08858977     EISSN: None     Source Type: Journal    
DOI: 10.1109/TPWRD.2010.2050499     Document Type: Article

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