Strong magnetic electromagnetic eddy current brake retarder for dynamometer

Main features

1. it has the advantages of simple structure, stable operation, low price, convenient use and maintainance.

2. water cooling, low noise, small vibration.

3. input speed wide range (200-3600r/min)

4. excitation control power is small, adopt single-phase DC power supply.

5. supporting with dynamometer system, can realize automation control.

6. used as a brake, has advantages of large braking force and stable performance etc..

Working principle of CW series eddy current brake

  When the excitation coil which coaxial with the rotor assembly get DC, its magnetic flux through the armature body, vortex ring, air gap and rotor to form a closed loop. Because the rotor outer surface is made of tooth and slot which uniform distribution, so the inner surface of air gap and vortex ring produced density magnetic field. Therefore, when the rotor rotates by dragging, the magnetic field at any point on the inner surface of vortex ring produces an alternating change, which induces a "vortex", magnetic field formed from "vortex" interaction with the air gap magnetic field, produce braking torque on the rotor. the engine output power is transformed into the equivalent heat which produced by "vortex" in vortex ring, the head be taken away by continuous cooling water which from the vortex ring cooling water tank.