Verfahren zum Ansteuern eines Reluktanzmotors

摘要

The subject matter of the invention is a method for driving a reluctance motor having power switches in the low and high potential stages of the motor phases, only one power switch being provided in the high-potential branch. It comprises one phase (R, Y, B) of the three phases R, Y, B being completely commutated off, that is to say the current is reduced to zero, before current flows through the next phase (R, Y, B), that is to say is commutated on, and that the switch (TY, TB, TR) which produces the commutation process being made in advance before the commutation process from one phase (R, Y, B) to the next phase (Y, B, R) is initiated. When the current in the phase (Y, B, R) is at a predetermined required value, the associated switch (TY, TB, TR) is switched on again before current is completely passing through the next phase (Y, B, R) when the off-commutation process in the phase (R, Y, B) is initiated.