Siemens SIMOTRAS 6SG7050 - SIMOTRAS HD - Control Characteristics for Travel Gear

01.04 Description
SIEMENS AG 6SG7000-0BA76 3-7
SIMOTRAS HD Operating Instructions
3.3.6 SIMOTRAS HD – control characteristics for travel gear
Driving Clockwise
Driving Anti-clockwise
Braking Clockwise
Braking Anti-clockwise
K ......
S3 ....
* .......
Characteristic curves for counter-torque operation (plug braking)
Characteristic curve for open-loop operation
Use of current limiting (e.g. Imax = 2 * I
N
)
..... SIMOTRAS HD control range
K
K
*
*
*
+n
+M
-M
100
80
60
40
20
-20
-40
-60
-80
-120
%
%
-140 -100
-60
-20
20 60 100
140 180
%
%
-n
S3
S2
S1
S3
S2
S1
Up to 4 rotor resistance switching stages can be provided. With less than 4 stages, the upper
stages (S3 / S4) remain free.