Electrical data basic units
Instruction handbook b maXX BM4400, BM4600, BM4700
Document No.: 5.12008.07 Baumüller Nürnberg GmbH
82
of 358
3.4
3.4.1.7 Electrical data BM4X7X universal units
BM4472 - A/F BM4473 - A/F
Rated input power
1)2)
328 kVA 412 kVA
Rated input current
1)2)
(I
eff
) 474 A 594 A
Total harmonic distortion input current
1)2)
(THD
I
) 54 %
Input current max.
2)
(I
eff
) 602 A 760 A
DC link rated voltage
1)
540 V
DC
DC link capacity (internal) 19.8 mF
DC link capacity (external), permitted see ZPage 227–
DC link discharging time
(internal DC link capacity)
150 s
Waiting time between two power up processes none
Output voltage
1)3)
(U
AC
) 3 x 0 V bis 3 x 370 V
Output frequency at 4 kHz
14)
0 Hz bis 450 Hz
Rated output current
1)5)6)7)13)15)
(I
AC
) at 4 kHz
4)
450 A 615 A
Rated output current
1)5)6)7)13)15)
(I
AC
) at 8 kHz
4)
338 A 420 A
Output peak current
1)5)6)8)15)
(I
AC
) at 4 kHz
4)
585 A 800 A
Output peak current
1)5)6)8)15)
(I
AC
) at 8 kHz
4)
439 A 545 A
Max. peak current period
9)
60 s
Power input DC link terminals max. 250 kW max. 315 kW
Brake resistor current, permitted (Î) max. 300 A
Brake resistor external 2.6
Brake resistor threshold (Û)
12)
780 V
Brake resistor peak power 234 kW
Permitted continuous power brake resistor external 180 kW
Power loss referring to power input 4700 W 6450 W
Power input referring to contr
ol voltage max. 170 W
Power input of the device fan referring to 400 V
AC
max. 540 W
Current of integrated brake control max. 8.0 A
11)
1)
All rated values refer to a DC link voltage of 540 V, a control voltage of 24 V and an environmental temperature of 40 °C.
2)
Using the power choke listed in ZPower chokes– on page 300 at a power supply with U
K,power supply
= 0.4 %.
3)
The output voltage is a pulsed DC voltage. The operating range refers to the RMS of the fundamental wave.
U
AC
3 0 V to 3
U
DC
2
----------- 10 V–
=
without overmodulation of the PWM.
4)
Switching frequency of the inverter (adjustable).
5)
RMS at an environmental temperature of 40 °C.