10.2 Brake Components
10.2.1 Brake Chopper
The function of brake chopper
A brake chopper is used to dissipate the energy produced by the motor dur‐
ing a braking process, resulting in an increased brake capability and faster
deceleration of the load without overvoltage trips.
Internal brake chopper
Fv 0K40...15K0 have internal brake choppers. External brake resistors are
needed to activate the braking function.
The working principle of the brake chopper is shown in figure below.
Fig. 10-7: Working principle of internal brake chopper
Bosch Rexroth AG DOK-RCON02-FV*********-IB08-EN-P196/259
Rexroth Frequency Converter Fv
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