(290208870) roof type photovltaic systems
TRANSCRIPT
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ROOF TYPE PHOTOVOLTAIC SYSTEMS
Oytun Tuğçe TÜRKAN
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WHAT IS PHOTOVOLTAIC ENERGY?
This energy is the electric energy that produced from sunlight.
The process involves no moving parts or fluids, consumes no materials, utilizes solid-state technology, and is completely selfcontained.
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WHAT IS PHOTOVOLTAIC ENERGY?
The primary concern for emergency responders with these systems, is the presence of electrical components and circuitry that present an electrical shock hazard.
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Basic components
The basic components of a photovoltaic system include the photovoltaic unit that captures the sun’s energy, and inverter that converts the electrical power from DC to AC, electrical conduit and other electrical system components, and in some cases a storage battery. At the heart of the system is the unit, that is actually capturing the sun’s electromagnetic energy in the form of light.
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TYPES OF SOLAR PANELS
Mono-crystal, Poli-crystal:High cost, high efficiency.Amorphous & Thin Film :Low cost,low efficiency.
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ADVANTAGES
Inexhaustible source of energy,
Can not affected by the economic crisis,
Does not require complex technology,
Very low operating costs,
There is no transmission problem,
Has no harmful residues such as sulfur or radiation.
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WORLD SOLAR ENERGY MAP
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TURKEY SOLAR ENERGY MAP
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DESIGN OF SYSTEM
To generate electricity from solar energy, batteries, battery charge controller, inverter and electronic circuits will be installed .
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DESIGN OF SYSTEM
Number of solar panels are determined by the desired amount of energy.
When the sun is not enough, battery pack is included in the system to remain energized.
The battery charger is used to prevent damage from excessive charge and discharge of the battery.
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WORKING PRINCIPLE
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PHOTOVOLTAIC PANELS
They are devices that convert solar radiation into electrical energy.
Efficiencies is between 15-20% , although vary according to the type of panel.
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In Turkey, sunshine duration; 5 hours in winter, 7 hours in autumn and 11 hours in summer.
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PHOTOVOLTAIC PANELS
Most PV modules used in roofing applications are composed of groups of crystalline silicon solar cells encapsulated in a clear, UV-resistant plastic to protect the cells from moisture in the environment.
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PHOTOVOLTAIC PANELS
PV modules often employ an aluminum frame to provide a means of attachment to a structure.
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ROOF TYPE PHOTOVOLTAIC PANELS
Roof-mounted PV systems have historically been used in remote locations where utility power was unavailable.
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ROOF TYPE PHOTOVOLTAIC PANELS
Today, grid-tied systems are increasingly popular. Grid-tied systems consist of PV modules, an inverter, and miscellaneous components such as wiring, mounting hardware, electrical boxes, disconnects, and fuses.
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ROOF TYPE PHOTOVOLTAIC PANELS
The AC power from the inverter is connected directly to the utility grid. When the system generates more power than is being used at the site, the excess power can flow
to the utility, turning the utility meter backwards.
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ROOF TYPE PHOTOVOLTAIC PANELS
If there is not enough solar power being generated to meet the building’s demand at any time, power flows from the utility. Because utility power is available as a backup source of power, no batteries are required for energy storage.
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CASE STUDY/COST ANALYSIS
First consider we will construct in Muğla, and I will use the “pvsyst 4.37” programme to estimate costs.
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CASE STUDY/COST ANALYSIS
If we enter parameters we need, summer months has more energy production.
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CASE STUDY/COST ANALYSIS
Here we estimate the kw/h cost of electric energy:
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THANK YOU FOR LISTENING.
QUESTIONS AND REMARKS?