Maxima 3KVA - Charge Mode Technical Details

28
Table 3 Charge Mode Specifications
Utility Charging Mode
INVERTER MODEL
3KVA
5KVA
Charging Current (UPS)
@ Nominal Input Voltage
30A
60A
Bulk Charging Voltage
Flooded Battery
29.2
58.4
AGM / Gel Battery
28.2
56.4
Floating Charging Voltage
27Vdc
54Vdc
Charging Algorithm
3-Step
Charging Curve
Time
Battery Voltage, per cell
Charging Current, %
100%
50%
Bulk
(Constant Current)
Absorption
(Constant Voltage)
Maintenance
(Floating)
Current
Voltage
T
1
T1 = 10* T0, minimum 10mins, maximum 8hrs
T
0
2.43Vdc (2.35Vdc)
2.25Vdc
Solar Charging Mode
INVERTER MODEL
3KVA
W/O MPPT
3KVA
With MPPT
5KVA
W/O MPPT
5KVA
With MPPT
Efficiency
98.0% max.
Max. PV Array Open Circuit Voltage
75VDC
100VDC
105VDC
145VDC
PV Array MPPT Voltage Range
30~32VDC
30~80VDC
60~72VDC
60~115VDC
Min battery voltage for PV charge
17VDC
34VDC
Charging current
50A
40A
50A
80A
Standby Power Consumption
2W
Battery Voltage Accuracy
+/-0.3%
PV Voltage Accuracy
+/-2V
Charging Algorithm
3-Step
Joint Utility and Solar Charging
Max. Charging Current
80Amp
70Amp
110Amp
140Amp
Default Charging Current
50Amp
40Amp
60Amp
Table 4 General Specifications
INVERTER MODEL
3KVA
W/O MPPT
3KVA
With MPPT
5KVA
W/O MPPT
5KVA
With MPPT
Safety Certification
CE
Operating Temperature Range
0°C to 55°C
Storage temperature
-15°C~ 60°C
Dimension (D*W*H), mm
340 x 380 x 98
420 x 397 x 120
Net Weight, kg
12
13
16
17