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Operating Instructions – Electronic Motor DRC.-..-DAC
13
Braking resistors
Technical Data and Dimension Sheets
13.2 Braking resistors
13.2.1 Overview
The DRC electronic motor is equipped with 2 brake choppers. The following table shows
their possible use in regenerative mode:
Application
Drive
Dissipation of regenerative energy
Brake chopper 1
Brake chopper 2
Very small amount of
regenerative energy
DRC1/2 electronic
motor with brake
Brake coil
+
–
DRC1/2 electronic
motor without brake
Brake coil
1)
1) Motors without brake are also equipped with a brake coil (without brake disk) to dissipate the regenerative
energy.
Small amount of
regenerative energy
DRC1/2 electronic
motor with brake
Brake coil
+
Integrated braking
resistor
DRC1/2 electronic
motor without brake
Brake coil
Medium/large amount
of regenerative
energy
DRC1/2 electronic
motor with brake
Brake coil
+
External braking
resistor
DRC1/2 electronic
motor without brake
Brake coil
3
M
3
M
3
M
3
M
3
M
3
M
P
i
f
kVA
Hz
n