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Investigation of possibility of developing high-efficiency heat-conducting system of electrical insulation for turbo generators with air and hydrogen cooling

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Abstract

The results of comparative tests of the main electrophysical properties of a new type of high-efficiency heat-conducting insulation for turbo generators with air and hydrogen cooling as compared to the traditional insulation are presented. It is shown that the addition of modified varnish with a high thermal conductivity coefficient to the insulation material does not yield any deterioration of its electrical properties.

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References

  1. Nagano, S., et al., Development of World’s Largest Hydrogen-Cooled Turbine Generator, Proc. IEEE Conf., Chicago, 2002, pp. 657–663.

  2. Andreev, A.M., Azizov, A.Sh., and Kostel’ov, A.M., Thermal Conductivity of the Insulation System of the Stator Winding of a High-Power Turbogenerator with Air Cooling, Elektrotekhn., 2009, no. 3, pp. 10–14 [Rus. Electr. Eng. (Engl. Transl.), 2009, vol. 80, no. 3, p. 128].

  3. Tari, M., Yoshida, K., and Sekito, S., A High Voltage Insulating System with Increased Thermal Conductivity for Turbo Generators, Proc. Electrical Insulation Conf. and Electrical Manufacturing and Coil Winding Technology Conf., Cincinnati, 2003, pp. 613–617.

  4. Katayama, H., et al., Development and Production of the World’s Largest Capacity 2p-60Hz-370MVA Hydrogen-Cooled Turbo-Generators for a 60Hz-90MW Cross-Compound Thermal Power Plant, CIGRE, 2010.

  5. Senn, F., et al., Improved Mica Insulation System for HV Rotating Machines, Proc. DISEE, Casta-Pila, 2006, pp. 113–116.

  6. Miller, M.L. and Emery, F.T., Thermal Conductivity of High Voltage Stator Coil Groundwall Insulation, Proc. EEIC Conf., Chicago, 1997, pp. 619–622.

  7. Tari, M., et al., System of High-Voltage Insulation for Turbogenerators with Increased Heat Conductivity, Trudy IV Mezhd. simpoziuma Elmash (Proc. UV Int. Elmash Symp.), Moscow, 2002, pp. 102–104.

  8. Dal Mut, G., et al., New Insulation Systems for Upgrading Large Turbo Generators Driven by Gas and Steam Turbines, Power GEN Europe, 2006.

  9. Takezawa, Y., et al., High Thermal Conductive Epoxy Resins with Controlled High Order Structure, Proc. 7th Int. Conf. Prop. and Appl. Diel. Mater., Nagoya, 2003, p. S20.

  10. Fukushima, K., et al., High Thermal Conductive Epoxy Resins with Controlled High Order Structure, Proc. Ann. Report Conf. on Elec. Insul. and Diel. Phenom., 2004, pp. 340–343.

  11. Han, Z., et al., Thermal Properties of Composites Filled with Different Fillers, Proc. IEEE Conf., Vancouver, 2008, pp. 497–501.

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Original Russian Text © A.M. Andreev, A.Sh. Azizov, A.A. Bezborodov, A.V. Papkov, V.M. Pak, 2011, published in Elektrotekhnika, 2011, No. 4, pp. 7–11.

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Andreev, A.M., Azizov, A.S., Bezborodov, A.A. et al. Investigation of possibility of developing high-efficiency heat-conducting system of electrical insulation for turbo generators with air and hydrogen cooling. Russ. Electr. Engin. 82, 180–183 (2011). https://doi.org/10.3103/S106837121104002X

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  • DOI: https://doi.org/10.3103/S106837121104002X

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