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Condition Based Assessment of On Load Tap Changers

Condition Based Assessment of On Load Tap Changers

By I.A.R. Gray(Senior Consultant-(MSAChem I No 51594) Oilwatch Transformer Service INTRODUCTION Load tap changers (OLTCs) are a crucial element of utility networks, as they must operate in a precise fashion in order to maintain a constant voltage output. This must be...
Transformer Solid Insulation (Furan analysis )

Transformer Solid Insulation (Furan analysis )

Evaluation of Transformer Solid Insulation I.A.R. Gray(Senior Consultant-(MSAChem I No 51594), Oilwatch Transformer Service Abstract Liquid impregnated cellulose materials in the form of Insulation paper are used in power transformers as electrical insulation and as...