DocumentCode :
2032626
Title :
Development of generator stator coil with 22kV global VPI insulation
Author :
Nakayama, Akinobu ; Haga, Hohji ; Muraoka, Masayoshi
Author_Institution :
Generator & Motor Dept., Fuji Electr. Syst. Co., Ltd., Kawasaki, Japan
fYear :
2004
fDate :
17-20 Oct. 2004
Firstpage :
224
Lastpage :
227
Abstract :
Recently, the demands for generators with large capacity are increasing in the market, and their rated voltage has been heightened accordingly. Therefore, it is required to manufacture high voltage stator windings to improve the quality of the insulation system and to strive for a long-term life. On the grounds of the above, we have evaluated numerous model coils and full-scale coil models by performing the heat cycle test, and established a computing program both for the electric field strength and the taping conditions. As a result of these studies, the development of a global vacuum pressure impregnation (VPI) insulation system for 22 kV has been completed successfully.
Keywords :
impregnated insulation; machine insulation; stators; turbogenerators; 22 kV; coil models; electric field strength; generator rated voltage; generator stator coil; global VPI insulation system; heat cycle test; high voltage stator windings; large capacity generators; taping conditions; vacuum pressure impregnation insulation; Coils; Dielectrics and electrical insulation; Electric variables; Performance evaluation; Resistance heating; Stators; Testing; Thermal stresses; Virtual manufacturing; Voltage;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Electrical Insulation and Dielectric Phenomena, 2004. CEIDP '04. 2004 Annual Report Conference on
Print_ISBN :
0-7803-8584-5
Type :
conf
DOI :
10.1109/CEIDP.2004.1364229
Filename :
1364229
Link To Document :
بازگشت