Siemens MICROMASTER 440 - Field-Orientated Control

Issue 10/06 3 Functions
MICROMASTER 440 Operating Instructions
6SE6400-5AW00-0BP0
113
3.5.7.17 Field-orientated control
Limitations
Motor overload factor [%]
Defines motor overload current limit in [%] relative to p0305 (rated motor current). Limited to
maximum inverter current or to 400 % of rated motor current (p0305), whichever is the
lower.
100
p0305
p0305) 4 (r0209, min
p0640max ⋅
⋅
=
CO: Upper torque limit
Specifies fixed value for upper
torque limitation.
P1520
max
P1520
def
r0333 1.5 ⋅=
r0333 4 ⋅±=
CO: Lower torque limit
Enters fixed value of lower
torque limitation.
P1521
max
P1521
def
r0333 1.5 ⋅−=
r0333 4 ⋅±=
f
1
~
Torque limitation
Resultant
torque limit
Power
limitation
|f
act
r1526
r1527
Stall
limitation
p1530
p1531
f
1
~
2
Constant
torque
f
stall
Constant
power
|
|M|
Stall
power
Motoring power limitation
Defines fixed value for the max. permissible
motoring active power.
P1530
def
P1530
max
0307P3⋅=
0307P5.2 ⋅=
Regenerative power limitation
Enters fixed value for the max. permissible
regenerative active power
P1531
max
P0307 3- ⋅=
P1531
def
P0307 2.5- ⋅=
M
f
f 2
P
M
⋅π⋅
=
Power limitation (motoring, regenerative)
p1530
p1531
p1530
p1531
p0640 = ...
150.0 %
p1520 = ...
p1521 = ...
p1530 = ...
p1531 = ...
FC-spec.
FC-spec.
FC-spec.
FC-spec.