
f
M,N
Rated motor frequency (nameplate data).
I
M
Motor current (actual).
I
M,N
Nominal motor current (nameplate data).
n
M,N
Nominal motor speed (nameplate data).
n
s
Synchronous motor speed.
n
s
=
2 × Parameter 1
−
23 × 60
s
Parameter 1
−
39
n
slip
Motor slip.
P
M,N
Rated motor power (nameplate data in kW or hp).
T
M,N
Rated torque (motor).
U
M
Instantaneous motor voltage.
U
M,N
Rated motor voltage (nameplate data).
Break-away torque
e
7
5
za
0
7
8
.1
0
(1)
(2)
(3)
Illustration 82: Break-away Torque
1
Torque
2
RPM
3
Pull-out
η
VLT
The efficiency of the drive is defined as the ratio between the power output and the power input.
Start-disable command
A start-disable command belonging to the control commands in group 1. See the table in chapter Input for more details.
Stop command
A stop command belonging to the control commands in group 1. See the table in chapter Input for more details.
AJ363928382091en-000101 / 130R0983
140 | Danfoss A/S © 2021.04
Appendix
VLT® Flow Drive FC 111
Design Guide