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US 6,333,622 B1Granted
Synchronous generator having auxiliary power windings and variable frequency power source
AssigneeGeneral Electric Company
InventorsJames Michael Fogarty, Brian Ernest Baxter Gott, John Russell Yagielski
Life of this patent
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Abstract
A synchronous generator is disclosed having main power windings and auxiliary power windings, where the auxiliary power winding is coupled to a variable frequency drive system. The variable frequency drive causes the generator to function as a motor and turn a drive shaft to start a gas turbine. Switching circuits are used to connect and disconnect the auxiliary windings of the generator with the variable frequency power supply.
Claims7
A electric power generator system comprising
- a generator having a stator including a main power winding and an auxiliary power winding;
- said main power winding connectable to a first power system;
- said auxiliary power winding connectable to an auxiliary power system,
- and a variable frequency power source connectable to the auxiliary power winding.
1 more element
Dependencies are inferred from the claim text.