References

• 1. 1)
     • 1. CIGRE Working Group A2.24: ‘Thermal performance of transformers’, Technical Brochure 393, vol. 129, 2009.
  2. 2)
     • 7. IEC 60076-1: ‘Power transformers – Part 1: general’, 2011.
  3. 3)
     • 6. IEC 60076-2: ‘Power transformers – Part 2: temperature rise for liquid-immersed transformers’, 2011.
  4. 4)
     • 8. Gao, Y., Wang, Z., Jones, D.: ‘How to make use of transformer heat run test results? Review on thermal parameter derivation methods’. Int. Conf. on Condition Monitoring and Diagnosis (CMD), 2014, pp. 383–387.
  5. 5)
     • 9. Villarroel, R., García, D. F., García, B., et al: ‘Moisture diffusion coefficients of transformer pressboard insulation impregnated with natural esters’, IEEE Trans. Dielectr. Electr. Insul., 2015, 22, pp. 581–589 (doi: 10.1109/TDEI.2014.004620).
  6. 6)
     • 13. Susa, D., Nordman, H.: ‘A simple model for calculation transformer hot-spot temperature’, IEEE Trans. Power Deliv., 2009, 24, (3), pp. 1257–1265 (doi: 10.1109/TPWRD.2009.2022670).
  7. 7)
     • 3. IEC 60076-7: ‘Power transformers – Part 7: loading guide for oil-immersed power transformers’, 2005.
  8. 8)
     • 2. IEEE C57.91: ‘Guide for loading mineral-oil-immersed transformers and step-voltage regulators’, 2012, pp. 1–123.
  9. 9)
     • 12. Radakovic, Z., Feser, K.: ‘A new method for the calculation of the hot-spot temperature in power transformers with ONAN cooling’, IEEE Trans. Power Deliv., 2003, 18, (4), pp. 1284–1292 (doi: 10.1109/TPWRD.2003.817740).