Asymmetrical multi-lane multi-phase motor drives
Motor drives and drive systems are provided. A motor drive of the subject invention can be an asymmetrical, multi-lane, multi-phase motor drive. The motor drive can include a master lane and slave lane having fewer phases than the master lane has. Each lane can be powered by a single direct current link.
1. A motor drive, comprising:
a plurality of lanes electrically isolated from each other,
wherein the motor drive is a multi-phase motor drive, and
wherein the motor drive has an asymmetrical topology, such that at least one lane of the plurality of lanes has a different number of phases from at least one other lane of the plurality of lanes.
2. The motor drive according to claim 1 , wherein each lane comprises a switch.
3. The motor drive according to claim 1 , wherein each lane is supplied power by a direct current (DC) link, respectively.
4. The motor drive according to claim 1 , wherein each lane is supplied power through a multi-leg inverter, respectively.
5. The motor drive according to claim 1 , comprising at least three lanes.
6. The motor drive according to claim 1 , wherein the plurality of lanes comprises a master lane and a slave lane, wherein the master lane has a higher number of interconnected phases than the slave lane has.
7. The motor drive according to claim 6 , wherein the motor drive is a 5-phase motor drive, and wherein the plurality of lanes comprises a 4-phase master lane and a 1-phase slave lane.
8. The motor drive according to claim 6 , wherein the motor drive is a 5-phase motor drive, and wherein the plurality of lanes comprises a 3-phase master lane and a 2-phase slave lane.
9. The motor drive according to claim 6 , wherein the motor drive is a 5-phase motor drive, and wherein the plurality of lanes comprises two 2-phase master lanes and a 1-phase slave lane.
10. The motor drive according to claim 6 , wherein the motor drive is a 5-phase motor drive, and wherein the plurality of lanes comprises a 3-phase master lane and two 1-phase slave lanes.
11. The motor drive according to claim 6 , wherein the motor drive is a 5-phase motor drive, and wherein the plurality of lanes comprises a 2-phase master lane and three 1-phase slave lanes.
12. A method of driving a motor, comprising:
providing the motor drive according to claim 1 ; and
driving the motor using the motor drive.
13. The method according to claim 12 , wherein each lane is supplied power by a direct current (DC) link, respectively, and
wherein each lane is supplied power through a multi-leg inverter, respectively.
14. The method according to claim 12 , wherein the motor drive comprises at least three lanes.
15. The method according to claim 12 , wherein the plurality of lanes comprises a master lane and a slave lane, wherein the master lane has a higher number of interconnected phases than the slave lane has.
16. The method according to claim 15 , wherein the motor drive is a 5-phase motor drive, and wherein the plurality of lanes comprises a 4-phase master lane and a 1-phase slave lane.
17. The method according to claim 15 , wherein the motor drive is a 5-phase motor drive, and wherein the plurality of lanes comprises a 3-phase master lane and a 2-phase slave lane.
18. The method according to claim 15 , wherein the motor drive is a 5-phase motor drive, and wherein the plurality of lanes comprises two 2-phase master lanes and a 1-phase slave lane.
19. The method according to claim 15 , wherein the motor drive is a 5-phase motor drive, and wherein the plurality of lanes comprises a 3-phase master lane and two 1-phase slave lanes.
20. The method according to claim 15 , wherein the motor drive is a 5-phase motor drive, and wherein the plurality of lanes comprises a 2-phase master lane and three 1-phase slave lanes.