REFERENCES [I J "IEC 354:1991 Loading Guide for Oil immersed Power Transformers", 2"d Edition. [2] Perera, K.B.M.I. and Lucas, J.R., ''Loading of transformers beyond nameplate rating", Engineer. Journal of the Institution of Engineers, Sri Lanka, vol XXX, 1'-:o 3, September 1999, pp 58-65 (3] Perera, K.B.M.I. and Lucas, J.R., "Software Guided Safe Loading of Transformers", International Conference on Power Transformers, New Delhi, April 2000. pp 158-165 [4] [5) [61 ''lEC 60076: 1993 Power Transformers", 2"d Edition. ··1 EEE Standard 141: 1993 General Effect of Voltage variations on= Induction Motor Characteristics" .:1 "IEEE Std C57.11 0-1998, IEEE Recommended Practice for Establishing Transformer Capability When Supplying Nonsinusoidal Load Currents" [7] Brown, P.M. and White, J.P., "Determination of the maximum cyclic rating of high-voltage power transformers", Power Engineering Journal, Feb 1998, pp 17-20. [8] Jleathcote, M.J., "Transformer Ratings", Letters to the Editor, Power Engineering Journal. Jun 1998. pp 142. [9) Press, W.H., Flannery, B.P., Teukolsky S.A., Vetterl.ing .T., "j\iumerical Recipes in (" ', Cambridge University Press, 1988. (I OJ Heathcote Martin J., "J & P Transformer Book ", Twelfth edition, Johnson & Phillips Ltd., 1998. [I I] Noconsult. Seminar to Ceylon Electricity Board in ''Planing and Design of Rural Electrification", March 1999. [ 12) Williams Mickey, '·Visual C + 6'', Sams Publishing, First Edition, 1998. [13 J Central Bank of Sri Lanka, " Annual Report", 1999. [14) Jerome, M. and Frank, P.E." Harmonics: I low they affect the Development and Design of "K" Factor Transformers", IEEE Conference paper, 1996, pp 204-208. [ 15] Massey, G.W. ''Non-linear Load Harmonic Content Estimation Techniques for use in " specifying Power Distri~ution Transforr~ers' ', A thesis presented to the Faculty of the Graduate ~chool , University of Missouri- Colombia, December 1992. [16] Porter, G.T., Norton, C.L., Mahor, M.W., "Accounting and Financial Analysis I", BCOR 2000- New York, Harcourt Brace College Publishes, 1997. 57