Motor Connections - Danfoss iC7-Automation Design Manual

Design Guide | iC7-Automation Air-cooled Enclosed Drives
Table 58: Mains Connections
(continued)
Item
Displacement power factor (DPF)
Switching on input supply from a dis-
charged drive
Overvoltage category

Motor Connections

9.8.2
Table 59: Motor Connections
Item
Output voltage
Output frequency
Switching frequency
Field weakening point
Motor control principles
Motor and generator types supported
Torque control, torque step rise time
Torque control, static accuracy
Speed control, static accuracy
Speed control, dynamic accuracy (re-
sponse)
Motor control resolution
Cable length
1) Dependent on voltage, current, and control mode
126 | Danfoss Drives Oy © 2024.09
Technical data
AFE: 1
6-pulse: 0.97
FE09–FE10: Maximum 1 time/2 minutes
Category III
Technical data
0–100% of supply voltage
(1)
0...599 Hz
1.5...8 kHz, default 3 kHz
1...600 Hz
U/f control
VVC+ (Vector Voltage Control)
FVC+ (Flux Vector Control)
Induction/asynchronous motor
Non-Salient Permanent Magnet Motor
Open loop: <5 ms with nominal torque and <1 ms with nominal torque with AFE supply
Closed loop: <5 ms with nominal torque and <1 ms with nominal torque with AFE sup-
ply
Open loop: <2% of motor nominal torque up to nominal speed and <4% of motor nomi-
nal torque in the field weakening area
Closed loop: <2% of motor nominal torque up to nominal speed and <4% of motor
nominal torque in the field weakening area
Open loop: 5% of motor nominal slip up to motor nominal motor frequency and 10% of
motor nominal slip in the field weakening area
Closed loop: 0.01% static error of nominal speed with encoder PPR of 1024 or better
Open loop: 0.2...0.4% s with nominal torque step
Closed loop: 0.1...0.2% s with nominal torque step
Reference setpoint resolution 31 bit + sign
up to 150 m (492 ft) shielded motor cable
up to 300 m (984 ft) unshielded motor cable
Specifications
AJ389643274589en-000101 / 172F6409A