SOLUTIONS
If you need we make the designer


1. Please let me know Daily consumption. Total how much load power?

2. How many cloudy day would you consider?

3. How about system DC voltage?

Re the 3kw off-grid  system .First kind check below. It is our projecESG Roof Installation Home Use Complete Set 3KW 3500w Off Grid Solar Power System PWM Controller system.



Product Description


Complete Solar System 3kw off Grid Solar Panel Kit



1KVA Off Grid Solar Power System
ItemsDescriptionQuantity
Solar panel180W 18V Mono Solar Panel2pcs
Inverter with PWM 50AHY1012P 1KVA 12V hybrid1pc
Solar controllerSolar inverter
BatteryDeep Cycle battery 12V 100Ah1pc


3KVA Off Grid Solar Power System
ItemsDescriptionQuantity
Solar panel300W 31V Mono Solar Panel5pcs
PV array box6 strings input PV array combiner box1pc
Inverter with PWM 50AHY3022P 3KVA 12V hybrid1pc
Solar controllerSolar inverter
BatteryDeep Cycle battery 12V 200Ah2pcs
Solar mounting bracketsAluminium brackets can mount 5pcs solar panels1sets
Solar cable & connectors100m 4mm2 solar cable & 5sets MC4 connectors100m+5sets

Inverter Specification



ModelESG1302
Rated capacity(W)3000W
InputCommercial Power range (VAC)100/110/120/127/220/230(+25%,-35%)
Frequency(Hz)60/50±10%
OutputAVR voltage range(VAC)100/110/120/127/220/230±10%(Auto-sensing)
Transfer timeTypical:5ms(Including detection time)
BatteryDC Voltage24VDC48VDC
OutputWaveformPure sine wave
Frequency(Hz)Commercial power supply: shared frequency with the commercial inversion state:60/50±0.5
ProtectionOverloadIPS automatically shut down if overload exceeds 120% of normal value for 10 seconds, IPS automatically resumes work if overload comes to rated load.
Battery TypeTypeSealed, maintenance-free lead acid
Recharge current15A(Maximum)
Battery protectionAutomatic self-test, discharge protection, over-charge protection, smart management system.
SizeSize(mm)D×W×H470×560×500
External Size(mm) D×W×H547×345×538(1piece)
Net weight(kg)3536
Gross weight(kg)3838

Solar Panel


solar power system panel characteristics:
Type of solar cellMonocrystalline
Max-power:Pm(W)250W
Lay up of solar cell8 (6*12)PCS
Max-power voltage: Vm(V)37.2V
Max-power current: Im(A)6.72A
Open-circuit voltage:Voc(V)45V
Short-circuit current: Isc(A)7.30A
Max-system voltage(VDC)1000V
Operating temperature(℃)-40℃~+85℃
Power tolerance0~ +6W
Dimension of solar module1640*982*40mm
Gross weight of solar module19.4Kg
Front CoverLow-iron Tempered glass/ 3.2mm
FrameAnodization aluminum
Junction Box(protection degree)IP65
Hailstone Impact25mm at 23m/s
Qty/CTN2PCS




Controller


Model:ESG 12V/24V/48V-series
Charge ModeMaximum Power Point Tracking
Method3 stages: fast charge(MPPT),constant voltage, floating charge
System TypeDC12V/24V/48VAutomatic recognition
System Voltage12V systemDC9V~DC15V
24V systemDC18V~DC30V
48VsystemDC36V~DC60V
Soft Start Time12V/24V/48Vsystem≤10S
Dynamic Response12V/24V/48Vsystem500us
Recovery Time
Conversion Efficiency12V/24V/48Vsystem≥96.5%,≤99%
PV Modules Utilization Rate12V/24V/48Vsystem≥99%


Pure Sine Wave Inverter Specification



Battery Technical Parameter



Constant Current ( Amp ) and Constant Power ( Watt ) Discharge Table at ( 25℃ )


Time5min10min15min30min1h2h3h4h5h8h10h20h
9.60VA92567547528815087.564.35041.2529.1326.2514.2
W98237169504530541738101474457.9477.5336.3303.8164
10.2VA81561542527314183.562.548.840.528.525.6313.8
W90466826471830251633967.5724565468.8330296.3160
10.50VA78558540026513681.561484028.252513.7
W8903663445353005158943.8706556463.8327.5292.5158
10.80VA75555537525813379.559.547.33927.524.3813.5
W87896460436529981536925693544453.8320291.3157
11.10VA72552535025012877.557.545.93826.7523.7512.8
W86286428416529751518922.568454.1452.5318.8282.5153

For All Model We Can Customized On Your Request !!!

Special Note:

1. This system, you need to self-distribution bottles, other pasts supplied by us

2. System components can be connected, we have to help you pick good

3. Installation is simple, you need to connects several fittings, the same as desktop computers assembled



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