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3kw off-grid system
    Publish time 2019-08-09 15:13    

Typical Configuration for 3kw Off-grid Home Solar Power System 

 Technical data

Item No.

WS-3KW

Capacity

3KW

System voltage

48VDC

Daily consumption

8KWH

Industrial Frequency Inverter and Controller All In One 

Inverter

Output wave

Pure sine wave

Output voltage

AC110 / 220VAC ± 5%

Output frequency

50Hz / 60Hz

Output Waveform

THDIAC< 3 %

Overload ability

120%, 30 seconds

Efficiency

≥85%

Controller

Maximum solar power

3600Wp

Charge output voltage

48V

Stop charging

68VDC

Charge recovery

64VDC

Battery

12V 225AH*8pcs  Gel or AGM battery

21600WH

Solar

panel

Pmax

250W*12pcs

Vmp

30V

Imp

8.3A


Load reference:

WS-3KW solar home system

Load items

Specification

Load's watt

qty

Working hours

Daily consumption WH

Lighting

Energy saving light

11W

6

8

528

Computer

LCD displays

150W

2

8

2400

Microwave oven

Media

750W

1

10

3800

Printer

Jet

250W

1

1

250

Fax machine

Jet

150W

1

1

150

Refrigerator

50L

70W

1

24

900

TOTAL

8028

Peak sunshine 4.5 hours per day, keep 1 rainy day


3KW solar system  Solution

Item

Specification

Q'ty

(pcs or sets)

3KW  Solar

Power System  

Solar panel 250W/30V(SPM-250PB204) with cables

12

3KW inverter,48VDC/220AC

1

Combiner box (lightning protection) with cables

6input 1output

1

Battery steel bracket and Connect the copper/wire

1

Solar panel steel metal alloy bracket ground installation

1

Cables :  40m 16mm2 cables,50m 2.5mm2 cabels,

MC-4 connectors 6pairs

solar combiner box to power box 20M battery to power box  3M

1

Option

GEL battery  12V 225Ah

8

AGM battery  12V 225Ah

8

Remarks:  one 20GP container fits for 10 sets of 3kw systems

each panel with 1m cable and MC-4 connectors



Remarks: Documentations are subject to update without notice. For further varied power of solar power system kits, please email to sales@winswaysolar.com

Warranty

•    Solar panel: 3 years for replacement, 25years lifespan (10 years for power no less than 90% and 25 years for power no less than 80%).
•    Inverter and controller:  2 years warranty. About 20 years lifespan.
•    Battery: AGM 2 years warranty, lifespan 3 years.  GEL 3years warranty, lifespan 5 years.
•    Brackets : 5years. Lifespan around 20 years.
•    Other accessories: 1 year.