The KE compact power supply modules generate the DC link voltage for the connected inverters and are available in the following variants:
KEN:
Power supply (no regeneration)
KE:
Block-commutated power supply and regeneration
KES:
Sine-wave power supply and regeneration
The KES product series with sine-wave power supply and regeneration produces a regulated DC link voltage. This makes the device robust against supply fluctuations and disturbances irrespective of the particular supply voltage. The voltage boost in the DC link enables a higher drive speed and output.
優(yōu)點(diǎn)
· High power density
· High efficiency
· Sustainability through line regeneration
· KES: Distortion of the main
· KES: Limits of harmonic currents
特性
· Power ratings up to 240 kW
· Cooling in cold plate technology
· Line regenerative braking optional
· Protective functions
· Overtemperature
· Power failure
· Input current
· Short circuit protected
· DC bus overcurrent
· Main contactor control
技術(shù)參數(shù)
|
Type
|
KEN 5
|
KEN 10
|
KEN 120
|
KE 20
|
KE 40
|
KE 60
|
KE 120
|
KES 20
|
KES 60
|
KES 120
|
|
Rated input voltage
|
VAC
|
3 x 400 ... 480 +- 10%
|
|
Mains frequency
|
Hz
|
47 ... 63
|
|
Input current
|
A
|
13
|
15
|
180
|
30
|
60
|
90
|
180
|
30
|
90
|
180
|
|
Rated output power
|
kW
|
5
|
10
|
120
|
20
|
40
|
60
|
120
|
20
|
60
|
120
|
|
Maximum output power (for 60 s)
|
kW
|
10
|
20
|
2001)
|
40
|
80
|
120
|
200
|
402)
|
1202)
|
2002)
|
|
Efficiency
|
%
|
ca. 99
|
ca. 98
|
|
Power factor
|
0,55
|
> 0,9
|
0,98
|
|
Cooling system
|
type cold plate
|
|
Regeneration
|
No
|
Yes
|
Yes, sinusoidal
|
|
Weight
|
kg
|
3
|
3
|
16
|
4,2
|
8
|
8
|
16
|
4,2
|
8
|
16
|
|
Module width
|
mm
|
55
|
55
|
255
|
85
|
170
|
170
|
255
|
85
|
170
|
255
|
1) Motor, generator based max. 160 kW for 2,5 s
2) for max. 10s
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