Distributed Solar Power System - sunlight-eco.comsunlight-eco.com/pdf/taiENG.pdf · solar power...
Transcript of Distributed Solar Power System - sunlight-eco.comsunlight-eco.com/pdf/taiENG.pdf · solar power...
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Distributed Solar Power System
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Profile
Sunlight Eco-tech Limited is a company that provides
customers with energy conversion systems and solutions to
improve energy efficiency. We offer clean energy such as
solar power generation, energy-saving products making use
of molecular coating technology, smart grids and green
efficient transportation.
Our goal is to make the most using the least:
To increase energy efficiency without increasing cost.
Making use of less resources and cause the least damage in
exchange for more energy supply and efficiency.
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What is distributed solar power generation?
The distributed photovoltaic generation grid-connected system
refers to the use of photovoltaic modules to convert solar energy directly
into electricity and transmission to grid. It is a way of comprehensive
utilization of power generation and energy with broad development
prospects.
With many years experience in product design major, our
photovoltaic system has the following advantage:
• We use the self-cleaning nano photocatalyst technology into solar
panel. This method will reduce cleaning costs and increase the
power generation efficiency.
• Pv module conversion rate approached 23.5%, which took the
leading position in this field.
• The unique design ensured the PV module could maintain high
power generation efficiency when the illumination is uneven.
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Composition of a distributed solar power system
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Independent Photovoltaic System Structure
Controller
Solar Cell Array
Battery Pack
Inverter
DC Load
AC load
Independent photovoltaic system diagram
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Grid-connected Photovoltaic System Structure
Solar Cell Array
Connector Open network inverter
Household load
GridBuy electricity meters
Sell electricity meters
Photovoltaic power generation system diagram
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CityNational
finance
Provincial
subsidies
Municipal
subsidiesTotal Note
Beijing 0.42 / 0.3 0.72
Shijiazhuang,
Hebei0.42 0.2 / 0.62
Changsha,
Hunan0.42 0.2(10 years) 0.1(5 years) 0.72
Yichang,
Hubei0.42 0.25(5 years)
0.25(10
years)0.92
Guangzhou 0.42 / 0.2(10 years) 0.62
Hangzhou 0.42 0.1 0.1(5 years) 0.62
Wenzhou 0.42 0.1 0.3(5 years) 0.82
Shanxi
Jincheng0.42 / 0.2(5 years) 0.62
1.5 dollar/W
subsidies
Hong Kong 4 KDH / / 4 KDH/kW·h
Macau 4.8 MOP / / 4.8 MOP/kW·h
Unit:Dollar/kW·h
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Application of self-cleaning nano photocatalyst
in photovoltaic project
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Arid Desert Region◆ (Saudi Arabia): Reduction of 26% to
40%◆ (Kuwait): Decrease by 17%
Rainy area◆ (U.S. and Japan): Decrease by about 5%◆ (Spain): Decrease by 5%◆ (Italy): Decrease 1.1% ~ 6.9%◆ (Mexico): Decrease 4% ~ 7%
Effects of Dust on the efficiency of Photovoltaic Panels in different areas
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Traditional methods of cleaning solar photovoltaic panels
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Nepenthes
Super-hydrophilic surface
Less than 10 degrees
Super-hydrophilic(<10°) 、Super-hydrophobic(>150°)coatings are two different forms that can be made as self-cleaning slurries
< 90°>90°
Solar photovoltaic panels surface
Types of automatic cleaning slurries
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A layer of titanium dioxide coating film.
Advantage:Through the photochemical action, the self-cleaning slurry with hydrophilic properties forms a water film on the glass surface, and the inorganic dust is washed away from the bottom.
1. Decompose organic oils by photocatalytic properties to make carbon dioxide and water.
2. Long lifespan
Disadvantages:1. Requires sunlight to activate
Nano-structured organic polymer or wax coated film layer
Advantages: Super-hydrophobic nature, water easily forms water droplets on the surface and removes dust by rolling off
Disadvantages:1. Unable to remove organic dirt2. High cost3. Manufacturing takes time4. Short lifespan
Super-hydrophobic automatic cleaning glass Super-hydrophilic automatic cleaning glass
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Capacity:495kW
Specifications:180W x 2,751pcs
Capacity:1,000kW
Specifications:240W x 4,164pcs
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Contact us
Sunlight Eco-tech Limited
Contact person:Eric Mak
Address:Room 507, Corporate Plaza, 5 Science Avenue West,
Hong Kong Science Park, Sha Tin, Hong Kong
Phone:(852) 3998 3439
Fax:(852) 3019 5871
Email:[email protected]
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