Name: China 3kw Off Grid Solar System Suppliers, Manufacturers, Factory - Best Price - Benwei
Brand: Benwei
SKU: 188672637

Shenzhen Benwei Lighting Technology Co., Ltd. is one of the best manufacturers and suppliers of 3kw off grid solar system in China. Welcome to buy durable products for sale here and get pricelist from our factory. All customized products are with high quality and competitive price.

3kw off grid solar system

Feature:

# Parallel Function up to maximum 9 units : Enlarge More Loads .

# Communication option: External WIFI, Supervise at Any Time.

# Slim Body, Convenient Installation And Transportation, Cheaper Freight by Air,Sea and Land.

# PF1.0, High Efficiency, Lower consumption : Energy Conservation/Environmental Protection/Electricity Saving/Cost Saving.

# Support working without battery:Reduce solar system cost and save money.

# High precision of output voltage,±5%，take care of your appliances.

Product Parameters:

BWGA 3kw off grid solar system
Model		GA3024ML	GA3024MH	GA5048MH
Input	Phase	L+N+PE
	Nominal Voltage	208/220/230/240VAC
	Voltage Range	154-264VAC±3V（Normal Mode) 185-264VAC±3V（UPS Mode）
	Frequency Range	50Hz/60Hz(Adaptive)
Output	Rated Power	3000W	3000W	5000W
	Output Voltage(AC)	208/220/230/240VAC±5%
	Output Frequency	50/60Hz±0.1%
	Waveform	Pure sine wave
	Transfer Time( Optional)	10ms for computer , 20ms for home appliances
	Peak power	6000VA	6000VA	10000VA
	Overload	Battery Mode： 1min@102%~110% Load 10s@110%~130% Load 3s@130%~150% Load 200ms@>150% Load
	Peak efficiency (battery mode)	>94%	>94%	>94%
Battery	Rated voltage	24Vdc	24Vdc	48Vdc
	Constant voltage charging voltage (Optional)	28.2Vdc	28.2Vdc	56.4Vdc
	Floating charge voltage (Optional)	27Vdc	27Vdc	54Vdc
charger	PV charging method	MPPT	MPPT	MPPT
	PV max input power	1500W	3500W	5500W
	MPPT tracking range	30~115Vdc	120~430Vdc	120~430Vdc
	Max PV input voltage	145Vdc	450Vdc	450Vdc
	Max PV charging current	60A	60A	80A
	Max AC charging current	60A	60A	80A
	Max charging current	120A	60A	80A
Display	LCD display	Operating mode/load/input/output, etc.
Communication port	RS232	5PIN/Pitch2.0mm, baud rate 2400
	Expansion & configuration port	2×5PIN/Pitch2.54mm, lithium battery BMS communication card, WIFI card, dry contact card, etc.
	Parallel interface	No	Yes
Environmental parameters	Operating environment temperature	0~40℃
	Operating environment humidity	20%~95%（Non condensing）
	Storage temperature	-15~60℃
	Altitude	The altitude should not exceed 1000m, derating above 1000m, up to 4000m, refer to IEC62040
	Noise	≤50db
Certifications		EN-IEC 60335-1, EN-IEC 60335-2-29, IEC 62109-1

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How much electricity will a 3kW solar system generate?

A 3kW solar power system will generate approximately 12 units of electricity (called kilowatt-hours or kWh‘s) per day. As mentioned, this is about 2/3 of the electricity usage of a modest Australian home.

How much cash will a 3kW solar system earn?

The amount of money you save with a 3kW system will depend on 2 main factors:

1) When you use the electricity in your home

2) How much much electricity you use.

In fact, (1) is usually a bigger factor than (2). Why? Because the timing determines how much of your precious solar energy goes out into the grid instead of into your home.

This matters because most states in Australia pay about 8c per kWh for exported electricity. Compare that with the 30c per kWh most folks pay to buy electricity from the grid. This means that using your solar electricity energy in your home saves you 30c per kWh, whereas exporting earns you only 8c per kWh. A 350% difference!

Let’s consider 3 scenarios to see how the payback works:

Scenario 1) You use all your solar electricity in your home. This is unlikely unless your home is full of huge energy guzzlers (e.g. ducted air con and/or big pool pumps) that run all day, every day. But in this scenario you would save 30c per kWh for every last drop of solar energy you produce, which equates to approximately $1500 in the first year and about $45,000 over 20 years assuming electricity inflation of 5%.

Scenario 2) You export half your solar electricity and use half in your home. This is a more realistic scenario for most folks. In this case You would save about $1000 in the first year. And about $26,000 over 20 years assuming electricity inflation of 5%

Scenario 3) You use no power in your home when the sun is shining (unlikely). In this scenario, you export all your solar electricity. In this case, you would save about $400 in the first year, and about $7,000 over 20 years.

As you can see, solar can give a great return in Scenario 1 and 2, but is pretty marginal in Scenario 3. So it is important to get quotes from installers who can estimate your export percentage.

If you are intrigued by the whole import/export thing, then you can read about the relationship between exports and payback here.

You can see the payback and cash-flow numbers for yourself with my solar payback calculator.

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3kw Off Grid Solar System