which are new trends in concrete technology?
....etc

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i want to know abt electrical and chemical diagnosis of transformers.what is its use in our practical life.i also need some diagrams and photoes related to this topic. ....etc

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ELECTRICAL AND CHEMICAL DIAGNOSTICS OF TRANSFORMER INSULATION

CASE STUDY 2:DISTRIBUTION TRANSFORMERS
CONVENTIONAL ELECTRIC TESTS RESULTS

INTERFACIAL POLARIZATION TEST RESULTS
GPC TEST RESULTS
Advantages and disadvantages of IPS measurements
Advantages and disadvantages of GPC
Goals of future diagnostic methods
CONCLUSION ....etc

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A. BHEL – an overview
BHEL is the largest engineering and manufacturing enterprise in India in the energy related infrastructure sector today. BHEL was established more than 40 years ago when its first plant was setup in Bhopal ushering in the indigenous Heavy Electrical Equipment Industry in India a dream which has been more than realized with a well recognized track record of performance it has been earning profits continuously since 1971-72.
BHEL caters to core sectors of the Indian Economy viz., Power Gen ....etc

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COST EFFECTIVENESS OF MINERAL WOOL INSULATION Vs PERLITE INSULATION
PROJECT REPORT
Submitted by
DIPU.K.SHAJI GITHU BABU VARUN KUMAR. T.K VIMAL MENON
ABSTRACT
The main objective of this project is to make the cost effectiveness analysis of the system of the thermal insulation of the pipe lines in petrochemical plant which carries steam. In a chemical plant maintaining temperature of fluids in different pipe lines assume greatest importance as each process is performed at particular temperature.
The project work was car ....etc

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ABSTRACT
This paper describes the application of two relatively new diagnostic techniques for the determination of insulation condition in aged transformers. The techniques are (a) measurements of interfacial polarization spectra by a DC method and (b) measurements of molecular weight and its distribution by gel permeation chromatography. Several other electrical properties of the cellulose polymer were also investigated. Samples were obtained from a retired power transformer and they were ana ....etc

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this is study project done at bhel ....etc

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Prepared by::Shashikumar C.M



INTRODUCTION
The major concern in the selection of the proper insulation for a cryogenic system is the reduction in the heat leak.
The insulation strategy is to minimize the radiative heat transfer, minimize the convective heat transfer, and introduce a minimum of solid conductance media
MODES OF HEAT TRANSFER
Solid conduction

Gas convection and conduction

Radiation

FACTORS CONSIDERED IN THE SELECTION OF THE INSULATION
Thermal Effec ....etc

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describes the application of two relatively new diagnostic techniques for the determination of insulation condition in aged transformers. The techniques are (a) measurements of interfacial polarization spectra by a DC method and (b) measurements of molecular weight and its distribution by gel permeation chromatography. The techniques are (a) measurements of interfacial polarization spectra by a DC method and (b) measurements of molecular weight and its distribution by gel permeation chromatography. Several other electrical properties of the cel ....etc

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Ankitha Here, pursuing my Electrical Engineering from BMSCE,Bangalor. Please post me a report on Electrical and chemical diagnostics of transformer insulation (24) by 26th March.

for more: http://seminarsprojects.in/thread.php?fid=29#ixzz0j1nkPhOf ....etc

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