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Reference: 512
Type:
Technical Brochures
Technical Brochures
Title:
Final Report of the 2004 - 2007 International Enquiry on Reliability of High Voltage Equipment - Part 4: Instrument Transformers
Results from a world wide utility survey of failures and service
experience with instrument transformers rated for 60 kV
and above are presented. The surveyed service experience comprises 1 290 335 single phase instrument transformer years. Statistical information about 690 major and 2 489 minor failures - such as origin, cause and failed subcomponent - are provided. In addition, failure frequencies as a function of voltage level, technology, age, design and maintenance strategy are presented.
File Size: 2,8 MB
Pages NB: 193
Study Committee: A3 ?
WG (TF): WG A3.06
Year: 2012
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