Danfoss VLT Flow Drive FC 111 Design Manual page 140

VLT® Flow Drive FC 111
Design Guide
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.
2 × Parameter 1−23 × 60 s
n =
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
(1)
Illustration 82: Break-away Torque
1 Torque
2 RPM
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.
140 | Danfoss A/S © 2021.04
(3)
(2)
3 Pull-out
Appendix
AJ363928382091en-000101 / 130R0983