Dale Power Solutions Ltd
User Manual
44
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Battery
Number of 12 V batteries
32, 34, 36, 38 or 40 in series
Battery type
VRLA
Discharge current (A) @ 320 V d.c. E420
54
E430
81
E440
106
E460
160
E480
213
Charge current (A)
15
30
Output
Output current (A) @380 V
(full load) @400 V
@415 V
32, 34, 36, 38 or 40 in series
Output type
3 phase 4 wire (L1, L2, L3, N and E)
Power factor
0.8
Waveform
Sine wave
Crest factor
<3:1
Frequency
50Hz/60Hz+ 0.5 Hz (battery mode)
Output precision
1.0%
Voltage distortion (THD)
<2% with 100% linear load
<4.5% with 100% non-linear load
DC component
<500 mV d.c.
Voltage precision
Output balanceable: + 1.0%
Output non-balanceable: + 3.0%
Overload
110%, 1 h
125%, 10min
150%, 1min
Bypass mode: 125% to 170%, 10 min
Bypass and ECO voltage range Adjustable via the LCD panel using
‘bypass
volt upper limit
’ and ‘bypass volt lower limit’
Efficiency in line mode
<90%
Efficiency in battery mode
20/30 kVA, >93%: 40/60/80 kVA, >94%
Efficiency in ECO mode
<97%
Dynamic respond
5.0%, 20ms
Switch time
Between normal mode and battery mode 0ms
Between inverter and bypass
0ms
Unlock: <15ms (50Hz), <13.33ms (60Hz)