Electrical data
Operation manual b maXX BM4100 (NWR)
Document no.: 5.04052.09 Baumüller Nürnberg GmbH
32
of 142
3.4
3.4.2 Electrical data - BM4145
1)
All rated values refer to a mains input voltage of 400 V / 50 Hz and a control voltage of 24 V.
2)
Effective value at an environmental temperature of 40 °C.
3)
Between 40 °C and 55 °C the output current must be reduced.
The permitted output current (I
0
) is calculated with the following formula:
BM4145
Input rated power
1)
86 kVA
Input rated current (I
eff
)
1)2)3)4)
125 A
Input peak current (I
eff
)
1)2)4)5)
162,5 A
PWM switching frequency
8 kHz
DC link voltage 640 V
DC
to 760 V
DC
DC link capacity (internal) 3055 µF
DC link capacity (external), permitted max. 17 mF
DC link discharging time (internal DC link capacity)
70 s
Output power DC link
1)6)
max. 80 kW
Peak power DC link
7)
104 kW
Max. peak power time
5)
60 s
Power factor (only inductive) 0,9 to 1,0
Switch-on frequency v 2 min,
see ZPower on switching frequency–
from page 83
Max. charging time b 30 s
Fast discharge b 5 s
Chopper current, permitted (Î) max. 100 A
Chopper resistor external v 8 Ω
Chopper on voltage (Û) 814 V
Chopper peak power 80 kW
Permitted chopper continuos power 58 kW
Power loss related to mains connection
8)
2040 W
Power loss related to control voltage max. 75 W
Power loss of fan related to 230 V
AC
9)
87 W
Cooling air requirement power heatsink BM4145-S / BM4145-A 260 / 210 m
3
/h
10)
Cooling air requirement internal space of device 60 m
3
/h
I
0
I
040°C()
1
Coolant temperature - 40 °C
°C
----------------------------------------------------------------------------- -
003,⋅
–
⋅=
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