METHOD OF CONTROLLING A ROTATING ELECTRIC MACHINE, CONTROL SYSTEM AND ROTATING ELECTRIC MACHINE CORRESPONDING THERETO

摘要

The method of controlling a polyphase rotating electric machine, the machine operating as a generator and being linked to an electrical network (1), is of the type of those consisting in short-circuiting at least one phase winding in the event of load shedding. A short-circuit command (SAND) is generated for the phase winding when a first measurement voltage V of a voltage B+ of the network exceeds a first predetermined threshold value V1 and when a phase current (IΦ) in the phase winding vanishes and changes direction. The first measurement voltage V may be obtained by filtering the voltage B+ of the network with a predetermined time constant TF.

主权项

1. Method for controlling a polyphase rotary electrical machine which operates as a generator, and is connected to an electrical network (1), consisting of short-circuiting at least one phase winding (3) in the event of load dump, wherein a command (SAND) to short circuit said phase winding (3) is generated when a first measurement V of a voltage B+ of said network (1) exceeds a first predetermined threshold value V1, and a phase current (Iφ) in said phase winding (3) vanishes and changes direction.