Example Of The Calculation Of The Possible Motor Voltage; Input And Output Currents / Overload For 400 V Devices; Table 24: Example Of The Calculation Of The Possible Motor Voltage; Table 25: Input Currents Of The 400 V Devices - KEB COMBIVERT F6 Series Instructions For Use Manual

DeVIce DATA OF THe 400 V DeVIceS

3.3.2.1 Example of the calculation of the possible motor voltage:

The motor voltage for dimensioning of the drive is depending on the used components.
The motor voltage reduces according to the following table:
component
Mains choke U
k
Drive converter open-loop
Drive converter closed-loop
Motor choke U
k
Non-rigid supply system
Table 24: Example of the calculation of the possible motor voltage:

3.3.3 Input and output currents / overload for 400 V devices

Device size
Rated input current @ U
N
Rated input current @ U
N_UL
Table 25: Input currents of the 400 V devices
The values resulting from rated operation with B6 rectifier circuit and mains choke 4% U
1)
Device size
Rated output current
@ U = 400V
N
Rated output current
@ U = 480V
N_UL
Rated output overload (60 s)
Overload current
Software current limit
Overcurrent
Table 26: Output currents of the 400 V devices
The values refer in % to the rated output current I
1)
Limitation of the current setpoint in closed-loop operation. This setpint limit is not active in v/f op-
2)
eration.
reduction / % example
4 Example:
open-loop drive converter with mains- and motor choke at
4
non-rigid supply system:
8
400 V mains voltage - 11 % = 356 V motor voltage
1
2
= 400V
= 480V
I / A
N
I / A
N_UL
I / %
1)
60s
I / %
1)
OL
I / %
2)
lim
I / %
1)
OC
12 13
I / A 13 17
in
I / A 11 15
in_UL
12 13 14
9.5 12 16.5
7.6 11 14
=> „Overload characteristic (OL) for 400 V devices"
180
216
.
N
14 15 16
21 31 43
18 27 35
.
k
16 16
15
(2 kHz) (4 kHz)
24 33
21 27
150
150
180
41