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International Journal of Scientific and Engineering Research
ISSN Online 2229-5518
ISSN Print: 2229-5518 11    
Website: http://www.ijser.org
scirp IJSER >> Volume 3,Issue 11,November 2012
Dielectric Diagnosis of EHV current Transformer Using Frequency Domain Spectroscopy (FDS) & Polarization and Depolarization Current (PDC) Techniques
Full Text(PDF, )  PP.335-345  
Abhishek Joshi, Pooja Aaradhi
Current Transformer (CT), Dielectric Diagnosis, Frequency Domain Spectroscopy (FDS), Oil Impregnated Paper (OIP), Dielectric Response Analyzer, Polarization Depolarization Current (PDC) Technique.
Current transformers (CT) are an important element of substation used for metering and protection. The CT forms main link in ensuring the reliability of the entire power system. Most of the faults occurring in Instrument transformers are due to insulation
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[2] J.B Gupta, Electric power (ISBN: 8188458538).

[3] Malik Koch, Michael Kruger, Manish Gupta. (Energy) ―A Fast and reliable dielectric diagnostic method to determine moisture in Power Transformer.‖

[4] E. Gockenbach ―Diagnosis of Power Transformer Insulation Institute of Electric Power Systems‖, ScheringInstitute, University of Hannover

[5] Maik Koch, ―Reliable Moisture determination in power Transformer‖

[6] Walter S. Zaengl., ―Applications of Dielectric Spectroscopy in Time and Frequency Domain for HV Power Equipment.‖

[7] Walter S. Zaengl. ―Dielectric Spectroscopy in Time and Frequency Domain for HV Power Equipment, Part I Theoretical Considerations‖. Swiss Federal Institute of Technology (ETH), Zurich, Switzerland.

[8] T. K. Saha, Senior Member IEEE, R. Middleton Fellow, IEEE and A. Thomas Member IEEE, ―Understanding Frequency & Time Domain Polarization Methods for the Insulation Condition Assessment of Power Transformers‖.

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