HYBRID SYSTEMS renewable energy resources and environment (itec 211)

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Presentation transcript:

HYBRID SYSTEMS renewable energy resources and environment (itec 211) Aro-Gordon Opeoluwa 128344 Ikoli Tari 128429

Overview A look at Hybrids Photovoltaic systems Wind energy systems Hybrid (PV+Wind) The Future?

HyBRID? Combination of two or more elements or units to form a single product. Hybrid animals, food plants, computers. Hybrid electrical systems. Hybrid cars

Hybrid renewable energy system (hres) They are stand-alone power systems A hybrid energy system, or hybrid power, usually consists of two or more renewable energy sources used together Capable of providing electricity in remote areas due to advances in renewable energy technologies and subsequent rise in prices and scarcity of petroleum products.

Hybrid renewable energy system (hres) Able to provide increased system efficiency as well as greater balance in energy supply Possible combinations such as Biomass-Wind-fuel cell, PV - Wind systems, Completely Renewable Hybrid Power Plant (solar, wind, biomass, hydrogen) Hybrid Renewable Energy is guaranteed clean and safe source of energy.

Photovoltaic Systems Use of Sun rays to produce electrical energy Electrons from the sun are trapped 100 percent clean No need for turbines

Photovoltaic Systems

WIND energy SYSTEMS Conversion of mechanical energy into electrical energy Force from wind speed spins turbines Speed incrementing gears are used to speed up turbines Contributes about 3% of the worlds electricity supply

Wind systems

HYBRID SYSTEM (PV + WIND) Consists of PV and Wind Systems Renewable form of energy Use of control and switching systems is highly required for efficiency Using sustainable and free energy (wind and sun) which is good for the environment and helps promote energy independence Average lifespan of 20 years

Pv + Wind Hybrid system

drawbacks High initial costs (crystalline silicon, power inverters and batteries) Sunlight is not available at night or cloudy days wind turbines require regular maintenance to inspect the blades.

drawbacks Complicated control systems and reliable switching devices are needed. Energy is wasted when storage batteries are full Maintaining voltage and frequency levels is not so easy Excess or little wind damages wind turbine

How to overcome drawbacks Combination of sources partially or completely prevents drawback Usage of glass lenses or mirrors to spin turbines Selling excess power created back to the power grid to cover maintenance costs

Typical wind and solar hybrid system Hybrid on Žirje, Croatia

Areas of research Improving the overall performance of the system Establishing techniques to accurately predict their output Reliably integrating the system with other conventional sources Improving power storage equipment (Batteries)

The future? Investments could reduce carbon emission by 12.3 billion tons of carbon pollutants. Create over 600,000 jobs Save 108 billion dollars in healthcare costs and economic damages About 56% of the population of the world could become grid independent by 2020

Thank you any questions?