Selecting A Rotor Resistor - Siemens SIMOTRAS 6SG7050 Operating Instructions Manual

01.04
17.4

Selecting a rotor resistor

Please note
4 contactor stages are to be configured. This circuit is recommended.
-
Do not use any special resistor packet assemblies!
-
Resistor banks of the same size should always be used (5
-
Simpler spare parts holding and easier to install when the resistor banks are installed above one
another.
A 3PR3, HE 1 cast-iron resistor bank (see page 3/40 ff.) is used.
-
n [%]
100 %
10
Figure 2, Speed-torque diagram with 4 contactor stages
SIEMENS AG 6SG7000-0BA76
SIMOTRAS HD Operating Instructions
20 100
th
digit of order number). Reasons:
s = 0
s = 0.05
Contactor stage 4
s = 0.1
Contactor stage 3
s = 0.25
Contactor stage 2
s = 0.5
Contactor stage 1
s = 1
Counter-
torque
s = 2
Configuration example
M [%]
200
17-3