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Singh, “HVDC transmission System fault Diagnosis and location using Artificial Neural Networks” International Conference on Energy and Environment, EnviroEnergy 2009, March 19-21, 2009, pp. 847851. [3] P Krishna Murthy, J. Amarnath, S. Kamakshaiah and B.P. Singh, “Internal Fault Diagnosis of HVDC Converter Transformer using wavelet Transform Technique”, 16th International Symposium on High Voltage(ISH-2009), Capetown, South Africa, 24th – 28th Aug 2009. pp. 1611-1614. [4] P Krishna Murthy, J. Amarnath, S. Kamakshaiah and B.P. Singh, “Classification of internal faults of a converter transformer using Wavelet Transforms”, Third International Conference on Power Systems (ICPS-2009), Kharagpur, India, 27-29 December, 2009. (Accepted for oral presentation) [5] P Krishna Murthy, J. Amarnath, S. Kamakshaiah and B.P. Singh, “Location of faults in HVDC converter transformer using wavelet techniques”, TRAFOTECH-2010. Accepted for presentation [6] Pannala Krishna Murthy, J. Amarnath, S. Kamakshaiah and B. Murali Krishna, “Recognition of faults in HVDC system by wavelet analysis” J. Curr.Sci. 12(1), (2008), Pp. 33-42. 409 [7] P Krishna Murthy, J. Amarnath and B.P. Singh, “Reconstruction of HVDC Converter Wavelet”, Indian Transformer Electrical Neutral and Current Electronics using Gabor Manufacturers Association (IEEMA JOURNAL), JUNE 2009, pp.118-121. [8] P Krishna Murthy, J. Amarnath, S. Kamakshaiah and B.P. Singh, “ANN Based Transformer” Internal Fault International Diagnosis Journal of of HVDC Applied converter Engineering Research (IJAER)" Vol.4 No.6, 2009, pp 867-876. [9] P Krishna Murthy, J. Amarnath, and S. Kamakshaiah, “HVDC transmission line fault location using FFT analysis”, International Journal of Applied Engineering Research (IJAER) Communicated. 410