CVT FERROMAGNETIC RESONANCE DAMPER DEVICE AND DESIGN METHOD

The present invention relates to a CVT ferromagnetic resonance damper device and a design method. The device comprises a damper body, which is connected in parallel to a 1a-1n winding in a secondary coil of an intermediate transformer, and comprises a series resistor, a parallel resistor and a saturable damping reactor, wherein the series resistor and the saturable damping reactor are connected in series and are then connected in parallel to the parallel resistor; one end of the parallel resistor and the series resistor are both connected to a 1a end of the 1a-1n winding, and the other end of the parallel resistor and the saturable damping reactor are both connected to a 1n end of the 1a-1n winding; and the rated magnetic flux density of the intermediate transformer satisfies Bm≤0.5 T; and the saturable damping reactor comprises a damping reactor core and a damping reactor coil, and the damping reactor core is made of a silicon steel sheet with a saturable magnetic flux density of 2.2 T. The present invention