Ian Gray - Senior Consultant - WearCheck Africa | LinkedIn

Ian Gray is a Member of the South African Chemical Institute and is the Founder and Managing Member of Transformer Chemistry Services (TCS), which is an independent laboratory, and consulting firm that specializes in diagnostic testing of insulating materials used in high-voltage electrical equipment.

Interfacial Tension - TRANSFORMER CHEMISTRY SERVICE

By I.A.R. Gray Transformer Chemistry Services Background: The interfacial tension of a mineral oil insulating fluid is related to the deterioration of the sample. The mineral oil insulating fluid is essentially a non-polar saturated hydrocarbon; however, when the sample undergoes oxidative degradation there are

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Burhan Putra studies Environmental Engineering, Condition Monitoring maintenance vibration analysis, and Application of AI. ... GUIDE FOR THE PURIFICATION OF INSULATING OIL by I.A.R. Gray-Transformer Chemistry Services CORRECTIVE MAINTENANCE PROCEDURES FOR OIL-INSULATED TRANSFORMERS INTRODUCTION more. by Burhan Putra. Research Interests:

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Identification of Internal Fault in Distribution ...

[8] "A guide to Transformer Oil Analysis" BYI.A.R. GRAY Transformer Chemistry Services. [9] Sadeq Y. Jasmin and Jyoti Shrivastava "Dissolved gas analysis of power transformers", International Journal of Electrical and Electronics Engineering Research (IJEEER),Vol. 3, Issue 5, Dec 2013, 1-10.

A GUIDE TO TRANSFORMER OIL ANALYSIS - academia.edu

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 industrial consumers of electricity.

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The through fault current effect of 150/20 kV transformer ...

Download Citation on ResearchGate | On Oct 1, 2017, Fajli Mustafa and others published The through fault current effect of 150/20 kV transformer to its insulation resistance and Tan Delta test in PT.

Transformer Chemistry Services - WearCheck

Transformer Chemistry Services New transformer monitoring division for WearCheck ... WearCheck is now positioned to provide large-scale and widespread comprehensive transformer reliability monitoring services. ... TCS was established in Westville, Durban in 1992 by Ian Gray, who has run the company for the past 25 years.

News | Office of Research | CAS | UNCG

PhD Student, Austin Gray, Uses Grants and Fellowship to Investigate NC Water Quality. August 13, 2018. The post below originally appeared in the spring edition of UNCG Research Magazine. Environmental Health Science PhD student Austin Gray hails from […]

A Novel Approach of Transformer Oil Quality Analysis Using ...

Author [10] I.A.R. GRAY Transformer Chemistry Services define tanδ. It is the measurement of leakage current through an oil. In other words it determines the contamination or deterioration level of oil. Dissipation factor is defined as tanδ and power factor is defined as sinδ. tanδ has direct relation with power factor of insulating oil..

Voltage Waveforms in an Edison Three-Wire System - Wisc ...

Voltage Waveforms in an Edison Three-Wire System By Terry Bartelt. Learners view the waveforms and voltages of an Edison Three-Wire System and read a description of the polarities across the secondary of the center-tap transformer.

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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. Download. June 2nd,2019. Poker Math Made Easy - …

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Transformer Chemistry Services ABSTRACT: Cached. Download Links [] ... @MISC{Gray_transformerchemistry, author = {Ian. A. R. Gray}, title = {Transformer Chemistry Services ... Hillside's two plotlines cast their first metal in June. Keyphrases. transformer chemistry service abstract first metal ...

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With a transformer. ... What is the difference between single phase and three phase electrical power services? ... white, black or gray. Salmon is a light pink color with a bit of an orange tint ...

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WearCheck News Blog

Ian Gray, from WearCheck's newly-formed transformer reliability services division, will be based at the Doble Engineering stand at booth number J12. The primary function of the new transformer division is the promotion of transformer health through the regular assessment of …

A GUIDE TO TRANSFORMER OIL ANALYSIS BY I.A.R. GRAY ...

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

Dissolved Gas Analysis (DGA) oli Trafo – Power Engineering ...

Jan 29, 2017· I.A>R Gray Transformer Chemistry Services "Dissolved Gas Analysis as a Diagnostic Tools for early Detection of Transformer Faults". Sherif S.M Ghoneim. Www. Worldsciencepublisher.org; Paper; "Dissolved gas Analysis of Mineral Oil Insulating Fluids. Joseph B. DiGiorgio. NTT; A guide to Transformer Analysis IAR Gray; Aging of Paper ...

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chemical grade transformer oil filtering refining machine

10-100MVA Vacuum Transformer Oil Filtration Machine. 10-100MVA Vacuum Transformer Oil Filtration Machine Manufacturer. The performance of ultra-high voltage transformer insulating oil, in addition to the physical and chemical properties of general insulating oil, in particular, puts higher requirements on its electrical performance, such as its breakdown voltage can reach 60kV and above

Ian Gray - African Utility Week - 14-16 May 2019 - Africa ...

Ian Gray Senior Consultant, WearCheck . Member of the South African Chemical Institute and the South Africa mirror committee for IEC TC 10(International Electro technical Commission) and serves on SANAS/SABS committees .He is the Founder of Transformer Chemistry Services (TCS), which was an independent laboratory, and consulting firm that ...

Ian Gray - Senior Consultant - WearCheck Africa | LinkedIn

Ian Gray is a Member of the South African Chemical Institute and is the Founder and Managing Member of Transformer Chemistry Services (TCS), which is an independent laboratory, and consulting firm ...

ASTM D971 standard test method for interfacial tension of ...

[4] A Guide to Transformer Oil Analysis, I.A.R. Gray, Transformer Chemistry Services. Transformer oil testing. An important use of the standard is the testing of insulating oils. Insulating oils are used in power transformers to provide cooling, insulation and protection against corona and arcing.

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SAICE SHOPPING LIST - Cooperative Governance and ... 1 LIST OF STANDARDS, NORMS AND SPECIFICATIONS This is a comprehensive list of the most applicable and available standards, specifications and literature required, by a PMU, to ensure high quality infrastructure and best management practice.