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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...
Dissolved gas analysis at an Aluminium Smelter

Dissolved gas analysis at an Aluminium Smelter

Practical Experience Gained from Dissolved Gas Analysis at an Aluminium Smelter These papers will provide a summary of Hillside Smelter Transformer faults detected by Dissolved Gas analysis at Early Life Please download to read Pratical expierence of DGA at HILLSIDE...