DEVICE FOR FIELD KILLING IN THE EVENT OF DISCONNECTION OF SYNCHRONOUS MACHINE FROM POWER SOURCE

摘要

A device for field killing in the event of disconnection of synchronous machine excitation winding from a power source comprises a breaker in series connected to the power source and an excitation winding as well as a circuit connected in parallel to the excitation winding, which comprises in series connected active resistance and a circuit comprising two parallel connected thyristors or a thyristor and a diode.