Twin coil claw pole rotor with five-phase stator winding for electrical machine
A dynamoelectric machine including a stator including a stator winding consisting of five phases inserted in a plurality of slots defining the stator; and a rotor rotatable within the stator, a rotor composed of more than two flux carrying segments, each segment having P/2 claw poles, wherein P is an even number.
1 . A dynamoelectric machine comprising:
a stator including a stator winding consisting of five phases, said stator winding inserted in a plurality of slots defining said stator; and
a rotor rotatable within said stator, a rotor composed of more than two flux carrying segments, each segment having P/2 claw poles, wherein P is an even number.
2 . The machine of claim 1 , said stator winding is operably connected to a corresponding five-phase rectifier.
3 . The machine of claim 2 , wherein said five-phase rectifier is a five-phase full-wave rectifier including five diode pairs connected in parallel, each diode pair of said five diode pair including a positive-side diode d 1 and a negative-side diode d 2 connected in series.
4 . The machine of claim 1 , wherein a coil winding is disposed intermediate each of said more than two flux carrying segments.
5 . The machine of claim 4 , wherein each coil winding is energized providing a first magnetic polarity on outbound claw poles defining said rotor and a second polarity opposite said first polarity on claw poles intermediate said outbound claw poles.
6 . The machine of claim 1 , wherein permanent magnets are disposed between said each segment to enhance at least one of output and efficiency.
7 . The machine of claim 1 , wherein said stator winding consisting of five phases are connected in one of a star connection and a pentagon connection.
8 . An alternating current (AC) generator for a motor vehicle comprising:
a stator including a stator winding consisting of five phases, said stator winding inserted in a plurality of slots defining said stator; and
a field rotor composed of more than two flux carrying segments, each segment having P/2 claw poles, wherein P is an even number.
9 . The generator of claim 8 , said stator winding is operably connected to a corresponding five-phase rectifier.
10 . The generator of claim 9 , wherein said five-phase rectifier is a five-phase full-wave rectifier including five diode pairs connected in parallel, each diode pair of said five diode pair including a positive-side diode d 1 and a negative-side diode d 2 connected in series.
11 . The generator of claim 8 , wherein a field coil winding is disposed intermediate each of said more than two flux carrying segments.
12 . The generator of claim 11 , wherein each field coil winding is energized providing a first magnetic polarity on outbound claw poles defining said field rotor and a second polarity opposite said first polarity on claw poles intermediate said outbound claw poles.
13 . The generator of claim 8 , wherein permanent magnets are disposed between said each segment to enhance at least one of output and efficiency.
14 . The generator of claim 8 , wherein said stator winding consisting of five phases are connected in one of a star connection and a pentagon connection.