Abstract
In conventional 12/8 bearingless switched reluctance motors (BSRMs), the generation and control of torque and levitation forces are always coupled and interacted, which increases the complexity of the current control algorithm. In this paper, a novel BSRM with 12 stator poles and 4 rotor poles is proposed to simplify the control of torque and levitation, which has wide flat inductance region. Through allocating the generation of torque and levitation forces to different inductance regions of each phase, the levitation control can be similar as that of magnetic bearings, and the torque control can adopt the methods of conventional switched reluctance motors, e.g. current chopping control and angle position control. Accordingly, the current control algorithm of proposed BSRM becomes very easy and flexible. Extensive experiments were completed to verify the demonstrated performance of proposed motor.
| Original language | English |
|---|---|
| Article number | 9051820 |
| Pages (from-to) | 1278-1288 |
| Number of pages | 11 |
| Journal | IEEE Transactions on Energy Conversion |
| Volume | 35 |
| Issue number | 3 |
| Early online date | 31 Mar 2020 |
| DOIs | |
| Publication status | Published - 1 Sept 2020 |
| Externally published | Yes |
Keywords
- Bearingless switched reluctance motor
- angle position control
- current chopping control
- levitation force
- torque