Brushless starter generator
First Claim
1. A brushless starter generator, said starter generator being capable of operating in starter mode so as to rotate said shaft in order to start a turbomachine or in synchronous electric generator mode so as to transform mechanical energy delivered by the turbomachine into electrical energy, the starter generator comprising:
- a main electric machine having a stator comprising stator windings and a rotor comprising a rotor winding and intended to be coupled to the turbomachine;
a rotary rectifier;
an exciter comprising a stator, comprising a direct-current stator winding and an alternating-current stator winding, and a rotor comprising rotor windings that are connected to the rotor winding of the main electric machine via the rotary rectifier, the rotors of the main electric machine and of the exciter being intended to be mechanically coupled to the turbomachine;
an alternator regulator that is intended to be connected to the direct-current stator winding via the first and second direct-current electrical lines and intended to supply electrical power to the direct-current stator winding when the starter generator is operating in generator mode in order to generate a voltage at the output of the stator of the main electric machine;
an SBU starter regulator that is intended to supply electrical power to the alternating-current stator winding and the stator windings of the main electric machine when the starter generator is operating in starter mode,wherein it comprises an electrical connection device that is arranged and configured to establish an electrical connection between the two electrical lines when the starter generator is operating in starter mode.
1 Assignment
0 Petitions
Accused Products
Abstract
A brushless starter generator includes a main electric machine and an exciter comprising a stator, comprising a direct-current stator winding and an alternating-current stator winding, and a rotor comprising rotor windings; an alternator regulator that is intended to be connected to the direct-current stator winding via first and second direct-current electrical lines and intended to supply electrical power to the direct-current stator winding when the starter generator is operating in generator mode in order to generate a voltage at the output of the stator of the main electric machine and an SBU starter regulator supplying electrical power to the alternating-current stator winding and the stator windings of the main electric machine when the starter generator is operating in starter mode. The starter generator comprises an electrical connection device that is arranged and configured to establish an electrical connection between the two electrical lines. The alternating-current stator winding is provided with electrical power by means of the starter regulator.
70 Citations
17 Claims
-
1. A brushless starter generator, said starter generator being capable of operating in starter mode so as to rotate said shaft in order to start a turbomachine or in synchronous electric generator mode so as to transform mechanical energy delivered by the turbomachine into electrical energy, the starter generator comprising:
-
a main electric machine having a stator comprising stator windings and a rotor comprising a rotor winding and intended to be coupled to the turbomachine; a rotary rectifier; an exciter comprising a stator, comprising a direct-current stator winding and an alternating-current stator winding, and a rotor comprising rotor windings that are connected to the rotor winding of the main electric machine via the rotary rectifier, the rotors of the main electric machine and of the exciter being intended to be mechanically coupled to the turbomachine; an alternator regulator that is intended to be connected to the direct-current stator winding via the first and second direct-current electrical lines and intended to supply electrical power to the direct-current stator winding when the starter generator is operating in generator mode in order to generate a voltage at the output of the stator of the main electric machine; an SBU starter regulator that is intended to supply electrical power to the alternating-current stator winding and the stator windings of the main electric machine when the starter generator is operating in starter mode, wherein it comprises an electrical connection device that is arranged and configured to establish an electrical connection between the two electrical lines when the starter generator is operating in starter mode. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
-
Specification