GUIDE FOR POLYCHLORINATED BIPHENYL (PCB) …

GUIDE FOR POLYCHLORINATED BIPHENYL (PCB) MANAGEMENT OF INSULATING OIL IN SOUTH AFRICA By I.A.R. Gray Dated: August 2004 What are PCBs? PCBs (polychlorinated biphenyls) are a group of synthetic oil-like chemicals of …

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Transformer Oil Analysis - WearCheck

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Condition Monitoring Specialists www.wearcheck.co.za Transformer Oil Analysis Transformers were traditionally over-designed by 300% to ensure a long service life.Today, this margin has been reduced due to

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WHERE DOES ALL THAT METAL - WearCheck

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ISSUE 47 /'/$'4 1( 6*' '6 1+06 4172 Oil analysis involves the extraction of a small, representa-tive sample of oil from a lubricated piece of

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HOW DO OILS DEGRADE? - WearCheck

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ISSUE 52 HOW DO OILS DEGRADE? by John Evans B.Sc. WEARCHECK IS A REGISTERED ISO 9001 AND ISO 14001 COMPANY John Evans Oils have a fi nite lifetime - they will

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A GUIDE TO TRANSFORMER OIL ANALYSIS BY I.A.R. GRAY Transformer Chemistry Services INTRODUCTION The fault free operation of power transformers is a factor of major economic importance and safety in power supply utilities and

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