Derating; Surrounding Air Temperature Derating - ABB ACS880-307LC Hardware Manual

Diode supply units
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90 Technical data
Supply unit
type
ACS880-
I
1
307LC-...
A (AC)
1470A-7
1470
+A004+A018
2000A-7
2000
+A004+A018
2940A-7
2940
+A004+A018
4000A-7
4000
+A004+A018
6000A-7
6000
+A004+A018
Definitions
Nominal ratings
U
Nominal input voltage. For U
N
specification (page
I
Continuous rms input (AC) current. No overload capability at the coolant
1
temperature of 40 °C (104 °F) and air temperature of 45 °C (113 °F).
I
Continuous rms output (DC) current. No overload capability at the coolant
2
temperature of 40 °C (104 °F) and air temperature of 45 °C (113 °F).
I
Maximum output (DC) current. Available for 10 s at start, otherwise as long as
max_1
allowed by module temperature.
S
Nominal apparent (AC) power
N
I
Maximum input (AC) current
max_2
P
Nominal output (DC) power
N
Light-overload use (50% overload capability) ratings
I
Continuous current. 50% overload is allowed for one minute every 5 minutes.
Ld
P
Output power in light-overload use
Ld
Heavy-duty use (50% overload capability) ratings
I
Continuous current. 50% overload is allowed for one minute every 5 minutes.
Hd
P
Output power in heavy-duty use
Hd

Derating

Surrounding air temperature derating

In the temperature range +45...55 °C (+113...131 °F), the rated output current is derated
by 0.5 percentage points for every added 1 °C (1.8 °F). The output current can be calculated
by multiplying the current given in the rating table by the derating factor (k):
No overload use
I
I
S
2
max_1
N
A (DC)
A (DC)
kVA
1800
2700
1757
2450
3675
2390
3600
5400
3514
4900
7350
4780
7350
11025
7171
, see
1
101). For U
Light overload
I
P
I
max_2
N
A (AC)
kW
A (DC)
(DC)
2205
1677
1728
3000
2283
2352
4410
3355
3456
6000
4566
4704
9000
6849
7056
Electrical power network
, see DC connection data.
2
Heavy-duty use
use
P
I
Ld
Ld
Hd
kW
A (DC)
(DC)
1610
1346
2192
1833
3220
2693
4383
3665
6575
5498
P
Hd
kW
(DC)
1255
1708
2509
3415
5123

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