SEW DRC2 - Braking Resistors

Operating Instructions – Electronic Motor DRC.-..-SNI
165
12
Braking resistors
Technical Data and Dimension Sheets
12.3 Braking resistors
12.3.1 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
1)
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
1)
3
M
3
M
3
M
3
M
3
M
3
M
P
i
f
kVA
Hz
n