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VLT® Flow Drive FC 111
Programming Guide
Parameter 1-10 Motor Construction
Parameter 2-07 Parking Time
Parameter 2-10 Brake Function
Parameter 2-16 AC brake Max. Current
Parameter 2-17 Over-voltage Control
Parameter 4-10 Motor Speed Direction
Parameter 4-14 Motor Speed High Limit [Hz]
Parameter 4-18 Current Limit
Parameter 4-19 Max Output Frequency
Parameter 4-58 Missing Motor Phase Function
Parameter 14-01 Switching Frequency
Parameter 14-03 Overmodulation
Parameter 14-07 Dead Time Compensation Level
Parameter 14-08 Damping Gain Factor
Parameter 14-09 Dead Time Bias Current Level
Parameter 14-10 Mains Failure
Parameter 14-11 Mains Fault Voltage Level
Parameter 14-12 Function at Mains Imbalance
Parameter 14-27 Action At Inverter Fault
Parameter 14-40 VT Level
Parameter 14-41 AEO Minimum Magnetisation
Parameter 14-44 d-axis current optimization for IPM
Parameter 14-50 RFI Filter
Parameter 14-51 DC-Link Voltage Compensation
Parameter 14-55 Output Filter
Parameter 14-64 Dead Time Compensation Zero Current Level
Parameter 14-65 Speed Derate Dead Time Compensation
Parameter 30-22 Locked Rotor Protection
Parameter 30-23 Locked Rotor Detection Time [s]
+
1-14 to 1-17 VVC
PM
The default control parameters for VVC+ PM motor control core are optimized for applications and inertia load in the range of
50>Jl/Jm>5. Jl is load inertia from the application and Jm is machine inertia.
For low inertia applications (Jl/Jm<5), it is recommended that parameter 1-17 Voltage filter time const. is increased with a factor of 5–
10. Sometimes, parameter 14-08 Damping Gain Factor should also be reduced to improve performance and stability.
For high-inertia applications (Jl/Jm>50), increase parameter 1-15 Low Speed Filter Time Const. and parameter 1-16 High Speed Filter
Time Const. to improve performance and stability.
44 | Danfoss A/S © 2021.07
[0] Asynchron
[1] PM, non salient SPM
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Parameters
[3] PM, salient IPM
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AU363928304090en-000101 / 130R0982
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