Abstract
In this paper, a new open-winding control strategy is proposed for a brushless doubly fed reluctance generator (BDFRG) used for stand-alone wind turbine or ship generators. The BDFRG is characterized with two windings on the stator: a power winding and a control winding. The control winding is fed with dual two-level three-phase converters, and a vector control scheme based on space vector pulsewidth modulation is designed. Compared with traditional three-level inverter systems, the dc-link voltage and the voltage rating of power devices in the proposed system are reduced by 50% while still greatly improving the reliability, redundancy, and fault tolerance of the proposed system by increasing the switching modes. Its performance is evaluated by simulation in MATLAB/Simulink and an experimental study on a 42-kW prototype machine.
| Original language | English |
|---|---|
| Pages (from-to) | 4567-4574 |
| Number of pages | 8 |
| Journal | IEEE Transactions on Industry Applications |
| Volume | 51 |
| Issue number | 6 |
| Early online date | 28 Jul 2015 |
| DOIs | |
| Publication status | Published - Nov 2015 |
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