OM226142 rev C
30
5.1.3 INVERTER
UPS
POWER (kVA)
20 30 40 60 80
Inverter Bridge
IGBT (High Frequency Comm.)
Nominal Output Power @ P.F.
0,8
(kVA)
20 30 40 60 80
Nominal Output Power @ P.F. 1
(KW)
16
24
32
48
64
Nominal
Output
Voltage
(Vca)
380
÷
415 (Selectable)
Output
Voltage
Stability
(%)
-
Static
- Dynamic (Step Load 0
÷
100%
÷
0)
- Output Volt. Recovery Time
(after load step)
+/- 1
+/- 8
Within 40 ms
Output
Frequency
(Hz)
50-60
(Selectable)
Output Frequency Stability
(Hz)
- Free Running Quartz Oscillator
- Inverter Synchronized with Mains
+/- 0,001
+/- 2 (Adjustable)
Nominal
Output
Current
(A)
- @ P.F. 0,8
- @ P.F. 1
29
23
43
35
37
46
87
55
116
93
Overload
Capability
(%)
125%
for
10’,
150% for 1’
200% for 100 ms
Short
Circuit
Current (A)
46
70
92
110
186
Short Circuit Characteristic
Elect. short circuit protection, current
limited at 2 times nominal current
Selectivity
Within ½ cycle (fus. gG 20% In)
Output Waveform
Sinusoidal
Output Harmonic Distortion
(%)
- Linear Load
- Non Linear Load
<2
<5
Crest Factor
3:1
Max. DC current absorbed by inverter during battery
discharge (@ 320Vdc and nom. load)
(A)
54,5
81,8
107
160
213
5.1.4 STATIC BY-PASS
Automatic Static By-Pass
Electronic Thyristor Switch
Nominal
Voltage
(Vac) 380
÷
415 (Selectable) +/-10%
Nominal Frequency
(Hz)
50 - 60 (Selectable) +/-5
Transfer Inverter
÷
Static By-Pass
In case of :
- Inverter Test
- Inverter failure
- Inv. input volt. out of limit
- Inv. output volt. out of limit
Retransfer Static By-Pass
÷
Inverter
Automatic or Manual (Selectable)
Block on mains after 6 commut. in 2
minutes
Overload Capability
- 150% continuously
- 200% for 1 minute
- 2000% for 1 cycle
Manual
By-Pass
With electric security and
without interruption