Gas-cooled turbogenerator

Details Gas-cooled turbogenerator Gas-cooled turbogenerator

1998-11-18

2000-03-14

Ramirez, Nestor

Electrical generator or motor structure

Dynamoelectric

Rotary

310 51, 310 52, 310 89, 310 90, 310 54, 310 58, 310215, 310 64, 174110K, 174187, H02K 318

Patent

active

06037683&

ABSTRACT:
A gas-cooled turbo-generator has a pressure-tight casing with a stator disposed therein and a rotor. The turbo-generator also has cooling air feeders and dischargers disposed in the casing for circulating cooling air at a super atmospheric pressure in the casing. The stator and rotor have longitudinal slots for accommodating conductors and a proportion of conductor volume per longitudinal slot is at least twice a volume of the insulation. There is also provided an air/water heat exchanger for absorbing heat from the cooling air.

REFERENCES:
patent: 5019737 (1991-05-01), Bruno
patent: 5074672 (1991-12-01), Emery et al.
patent: 5084641 (1992-01-01), Saima et al.
patent: 5271248 (1993-12-01), Crowe
patent: 5331819 (1994-07-01), Matsuda et al.
patent: 5548168 (1996-08-01), Laskaris et al.
patent: 5672921 (1997-09-01), Herd et al.
patent: 5866959 (1999-02-01), Le Flem
patent: 5883448 (1999-03-01), Zimmerman
Utility model application (Wolfer), dated Jun. 18, 1964, electrical machine with circuit cooling.
E. Eisenschmidt: "Konstruktive Grundsatze fur Turbogeneratoren bei Luft-und Wasserstoffkuhlung", Energietechnik, 9. Jg., Heft 11, Nov. 1959, pp. 504-510, constructive principles for turbo generators with air or hydrogen cooling.

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