Conclusions
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1.
The use of computer calculations makes it possible to plan the amount of repair works to correct the shape of the rotor and stator of a hydroelectric generator and to promptly check the quality of repair and centering of the unit.
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2.
The existing standards do not regulate the allowance for non-concentricity of the bore of the generator stator. It is suggested to standardize the nonconcentricity of the stator analogus to the requirements of the “Specifications for Assembly of Units” for nonconcentricity of the rotor poles.
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Literature cited
Specifications on the Maintenance of Turbine-Generator Units [in Russian], Informénergo, Moscow (1975).
Electrical Equipment Testing Standards [in Russian], Atomizdat, Moscow (1978).
Collection of Directives on Operation of Power Systems, Electrical Engineering Part [in Russian], Énergoizdat, Moscow (1981).
Yu. N. Ageev and N. N. Bogdanov, Maintenance of Hydroelectric Generators [in Russian], Énergoizdat, Leningrad (1982).
Additional information
Translated from Gidrotekhnicheskoe Stroitel'stvo, No. 9, pp. 53–54, September, 1984.
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Tsyvakin, V.G. Maintenance of hydroelectric generators with the use of computer calculations. Hydrotechnical Construction 18, 447–449 (1984). https://doi.org/10.1007/BF01433668
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DOI: https://doi.org/10.1007/BF01433668