III. TYPES OF CONVERTER IN SRM
The converter fed SRM is power-driven from fixed
dc-link voltage, which is established by an ac/dc
converter or directly by a Battery. The group of suitable
converter and control scheme depends on the
performance and the necessities of application of SRM
[4], [ 10]. The features of SRM operation must be
shown before the converter types are to be used. Based
on operation these features can be summarized by
3 tasks [6]:
• In the Inductance profile, the current should be
supplied into the phase only in the positive
gradient period.
• During the phase energizing of the motor phase,
the torque must be maximized. By shaping the
phase current by maximizing the amount of it at
rise time period and then minimizing at fall time
period by this it can be achieved.
• During the commutation the stored magnetic
energy must be returned to the dc supply.