Key Features :
Professional design to promote system reliability
*Using international well-know brand semiconductor device such as IR.TI.ST.ON.NXP and so on.
*Using industrial MCU total digital technology, without any adjustable resistance, strong anti-interference ability, no aging and drift..
*Super-high charging and DC to AC inverter efficiency, Significantly reduce temperature rise of products .
High MPPT Tracking efficiency
*MPPT Tracking efficiency up to 99.9%,System power generation efficiency up to 98% to improves system efficiency and reduces system costs.
High Transfer efficiency
*Charging efficiency up to 98.4%
*DC to AC inverter efficiency up to 90%
Minimal stand-by power consumption
*The current consumption ≤ 40mA(24V)
Intelligent battery management
*three phase time charge battery, which contains MPPT charge, constant voltage charge and float charge, which helps to extend the life of battery.
*Significantly extends the battery life up to 50% base on intelligent temperature compensation charge and discharge management
*External battery can be added to expand battery capacity
*Intelligent battery energy management to ensures the battery operates in shallow charge and discharge states, significantly extending battery life.
Flexible setting of three output modes
*City power priority mode
*Battery priority mode
*EPS Mode
Excellent load adaptation
*Support resistive load, inductive load, capacity load, half wave load, etc
*Strong overload capacity
*Peak current ratio up to 300%
*Pure sine wave output
*output voltage level can be selected
*Sudden discharge, output waveform distortion rate low than 5%
Perfect protect function
*Battery reverse connection protection
*The solar panel reverse connection protection.
*To prevent the battery discharge to the solar panel at night.
*Battery low voltage disconnect and reconnect protection.
*Output short circuit protection
*Output overload protection
*Transformer isolation, safe and stable
Item
|
Content
|
Mode
|
Unit
|
|
|
ESI_4KVA_GMI
|
-
|
PV Parameters
|
PV Max. Input Voltage
|
180-250
|
V
|
|
PV Max. Input Current
|
50
|
A
|
|
Max Charging Current
|
15
|
A
|
|
Max Panel Power
|
4000
|
W
|
|
MPPT tracking range
|
30≤Vmp≤70
|
V
|
Mains Input Parameters
|
Input voltage range
|
180~250
|
VAC
|
|
Input Frequency
|
50/60±3%
|
Hz
|
|
Rated Input Voltage
|
5760
|
W
|
Battery parameters
|
Battery Type
|
Lead-acid battery or lithium battery①
|
-
|
|
Battery Voltage
|
24
|
V
|
|
Battery Capacity
|
40/80
|
Ah
|
|
Max. charge current
|
20
|
A
|
|
Boost charge
|
28.8(can be set)
|
V
|
|
Float charge
|
27.6(can be set)②
|
V
|
|
Low voltage disconnect
|
22(can be set)
|
V
|
|
Low voltage reconnect
|
25(can be set)
|
V
|
|
Temp. compensation
|
-4mV/℃/2V②
|
-
|
|
Charging voltage change
|
8~30
|
V
|
Output parameters
|
Output voltage
|
220/230(customize)
|
V
|
|
Output Frequency
|
50/60
|
Hz
|
|
Output waveform
|
Pure sine wave
|
-
|
|
Max.Output Power
|
4
|
KVA
|
|
Output power factor
|
0.8
|
-
|
|
Output current peak factor
|
3:1
|
-
|
|
DC-AC Max.Efficiency
|
90%
|
-
|
|
Overload capacity
|
105~120% 30s,120~150% 10s >150% 5s,Short circuit 1ms
|
|
System Parameters
|
Working mode
|
City electricity,Battery,EPS
|
|
|
Display
|
LCD+LED
|
-
|
|
Display content
|
PV instruction,battery voltage,Mains input voltage,Inverter output voltage,Overload display,Working status
|
-
|
|
Protect Function
|
overload,low voltage,Short circuit,over-charging,overfall,over-temperature etc
|
-
|
|
Static power
|
40
|
mA
|
|
Inverted no-load power consumption
|
<6
|
W
|