Voltage And Frequency Data; Example For The Calculation Of The Motor Voltage; Table 9: Input Voltage And Frequencies; Table 10: Input Voltage For Dc Operation - KEB COMBIVERT S6 Instructions For Use Manual

UNIT DATA

3.3.3 Voltage and frequency data

Input voltage and frequencies
Rated input voltage
Rated input voltage UL
Input voltage range
Mains phases
Mains frequency
Mains frequency tolerance
Table 9: Input voltage and frequencies
Input voltage for Dc operation
Rated input voltage DC
Rated input voltage DC UL
Input voltage range DC
Table 10: Input voltage for DC operation
Output voltage and frequencies
Output voltage at AC supply
Output voltage at DC supply
Output frequency
Table 11: Output voltage and frequencies
The voltage to the motor is dependent on the actual input voltage and the control method (=>
1)
"Example for the calculation of the motor
The output frequency is to be limited in such a way that it does not exceed 1/10 of the switching
2)
frequency. Units with higher max. output frequency are subject to export restrictions and are only
available on request.
Dc switching level
DC switch-off level „Error! Underpotential"
DC switching level braking resistor
DC switch-off level „Error! Overpotential"
Table 12: DC switching level
The DC switching level for the braking transistor is adjustable. The default value is the value spec-
1)
ified in the table.

3.3.3.1 Example for the calculation of the motor voltage

The motor voltage for dimensioning of the drive is depending on the used components.
The mains voltage reduces according to the following table:
components
Mains choke U
k
Drive converter open-loop
Drive converter closed-loop
Motor choke U
k
Non-rigid supply system
30
voltage").
reduction / %
4
4
Closed-loop drive converter with mains- and motor choke at
8
400 V mains voltage - 15 % = 340 V motor voltage
1
2
U / V
N
/ V
U
N_UL
U / V 184...550
in
f / Hz
N
±f / Hz
N
U / V
N_dc
U
N_dc_UL
/ V
U / V 260...750 ±0
in_dc
U / V 3 x 0...U
1)
out
U / V 3 x 0...U
1)
out_dc
/ Hz
f
2)
out
U / V
UP_dc
U / V
1)
B_dc
/ V
U
OP_dc
example
non-rigid supply system:
400
480
3
50 / 60
±2
565
672
in
/√2
in_dc
0...599
240
780
840