6 Commissioning | Issue 10/06 |
6.4.17Field-orientated control
Limitations
To avoid a premature limitation the limits of the torque (P1520, P1521) and power (P1530, P1531) should be set to the maximum value, if the application allows it.
p0640 = ...
Motor overload factor [%] | 150.0 % |
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.
p0640max = min (r0209, 4 ⋅ p0305) ⋅ 100 p0305
P1520 = ...
P1521 = ...
CO: Upper torque limit
Specifies fixed value for upper torque limitation.
P1520 def = | 1.5 ⋅ r0333 |
P1520 max = | ± 4 ⋅ r0333 |
CO: Lower torque limit FC-spec.
Enters fixed value of lower torque limitation.
P1521def = | − 1.5 ⋅ r0333 |
P1521max = | ± 4 ⋅ r0333 |
Resultant |
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torque limit |
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M | Power | Stall |
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| limitation | limitation |
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| Torque limitation | |
| r1526 | ~ 1 | ~ 1 |
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| r1527 | f | f2 |
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| p1530 |
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| p1531 |
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| fact |
| Constant | Constant | fstall | Stall |
| torque | power |
| power |
P1530 = ...
P1531 = ...
Motoring power limitation |
Defines fixed value for the max. permissible motoring active power.
P1530 def = 2.5 ⋅ P0307
P1530 max = 3 ⋅P0307
Regenerative power limitation FC-spec.
Enters fixed value for the max. permissible regenerative active power
P1531def = - 2.5 ⋅ P0307
P1531max = - 3 ⋅ P0307
Power limitation (motoring, regenerative)
M = | P | M |
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2 ⋅ π ⋅ f |
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| p1530 |
| p1531 |
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| f |
| p1530 | p1531 |
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50 | MICROMASTER 440 |
Operating Instructions (Compact) |
