| 摘要 |
The invention relates to a power supply device for a stepper motor of the variable reluctance type without collector. Such motor has a toothed rotor R made of magnetic material as well as a stator S which is comprised of a first series of poles interleaved in a second series of poles in order to form a belt surrounding the rotor R. Said motor has also two inductor coils (11, 12) mounted in parallel in the supply device which is connected to a current source (16) and which is comprised of a chopping device supplying successively the inductor coils. According to the invention, the current source is an alternating current source and the chopping device is comprised of two diodes (22, 25) mounted in series with the inductor coils (11, 12) and in reverse direction with respect to each other.
|
