Setting Of Speed-Dependent Current Limitation For Motors Without Commutation Transition - Siemens 6RA7086-6KS22 Operating Instructions Manual

Function descriptions
9.16.2 Setting of speed-dependent current limitation for motors without
commutation transition
Converter rated DC current
I P
A
Current limit
I
3
I
rated
P = P
rated 2
Motor rating plate data
•
Permissible limit values
I = 1.2 * I
20 2
Example of a motor rating plate:
* S H U N T -MOT.
V
46-380
380
ERR.
SEP.
Z: A11 G18 K01 K20
SEP. VENTIL.
9-74
S1
I
rated
S1
n
rated
1GG5116-0FH40-6HU7-Z
NRE
= 1/MIN
n n
2 1
50-2300
6000 REG.
V A
310 1.45
54 0.32
Invention point
~1/n (commutation limit curve)
I
3
I
20
I
1
n = n
n
1
n
3
n = Point at which speed-dependent
E
current limitation intervenes
n = Maximum operating speed
3
EN 60034
A
36.0-37.5 0.265-12.0
38.5 =
I I
2 1
THYR.: B6C LV= 0MH 380V/ 50HZ
IP 23 IM B3
I.CL.F
= I
2
2
n
motor
KW
12.0
SIEMENS AG
SIMOREG DC Master
05.05
6RX1700-0AD76
Operating Instructions