Küenle KFU 210 Series, Быстрый старт

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KFU 210- / 410-
54
8.11 Size 8 KFU 510 (160 to 400 kW, 525 V)
Type
KFU 510 --230 -290 -360 -450 -490 -560
Size 8
Output, motor side
Recommended motor shaft power P kW 160 200 250 315 355 400
Output current I A
eff.
230 290 360 450 490 560
Long-term overload current (60 s)
1)
I A
eff.
345 435 540 675 735 840
Short-term overload current (1 s) 2) I A
eff.
420 520 650 810 880 1000
Output voltage U V
eff.
Maximum input voltage, three-phase
Protection - - Short circuit / earth fault proof
Rotary field frequency f Hz ±500 Hz 3)
Switching frequency f kHz 2, 4, 8 4)
Output, braking resistor (external)
5)
Min. braking resistance R Ω 1,20 1,20 1,20 0,80 0,80 0,80
Recommended braking resistor
(U
dBC
= 770 V)
R Ω 2,70 2,70 2,70 1,50 1,50 1,50
Imput. mains side
Mains current 6) I A 215 270 335 420 470 525
Mains voltage
7)
U V 525
Mains frequency f Hz 50 (60)
Fuses 8) I A 315 350 450 550 630 700
Mechanical
Dimensions HxWxD mm 1067 x 439 x 375
Weight approx. m kg 120 120 120 140 140 140
Ingress protection rating - - IP20 (EN60529)
Connection terminals A
mm
2
up to 2 x 240
Form of assembly - - vertical
Ambient conditions
Energy dissipation
(2 kHz switching frequency)
P W
3800 4500 5600 6300 6850 7900
Coolant temperature T
n
°C -25 … 45 (3K3 DIN IEC 60721-3-3)
Storage temperature T
L
°C -25 ... 55
Transport temperature T
T
°C -25 ... 70
Rel. humidity - % 15 ... 85, not condensing
If required by the customer, the switching frequency may be increased if the output current is reduced at the same time.
Comply with the applicable standards and regulations for this operating point.
Output current
9)
Frequency inferter nominal power
Switching frequency
2 kHz 4 kHz 8 kHz
160 kW 230 230 230
200 kW 290 290 290
250 kW 360 360 360
315 kW 450 450 450
355 kW 490 490 490
400 kW 560 560 560
1) Power reduction with torsional frequencies below 10 Hz
2)
Only with torsional frequencies above 10 Hz
3) Depending on switching frequency
4)
Reduction of switching frequency possible on certain conditions
5) As an option, the frequency inverter of this size is available without internal brake transistor
6)
Rated value with recommended motor power, 525V mains voltage and mains inductance U
K
=4%
7) Note that, in addition to AC 3x525V connection, AC 3x400V connection is also required, see Chapter 4.3
8)
Semiconductor fuses recommended (e.g. Bussmann Type 170M)
9) Maximum current in continuous operation