Dr : Mohamed Ahmed Ebrahim Shoubra...November 16 Dr : Mohamed Ahmed Ebrahim Solar Energy Current &...
Transcript of Dr : Mohamed Ahmed Ebrahim Shoubra...November 16 Dr : Mohamed Ahmed Ebrahim Solar Energy Current &...
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Dr : Mohamed Ahmed Ebrahim
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Dr : Mohamed Ahmed Ebrahim
Benha University
Faculty of Engineering at Shoubra
Electrical Engineering Dept.
Postgraduate (Pre-master) Course
November 16
E-mail: [email protected]
Web site: http://bu.edu.eg/staff/mohamedmohamed033
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Dr : Mohamed Ahmed EbrahimNovember 16
1 • INTRODUCTION.
2 • SOLAR PHOTOVOLTAIC POWER SYSTEM.
3 • SOLAR THERMAL POWER SYSTEM.
4 • WIND POWER SYSTEM.
5 • ENERGY STORAGE SYSTEMS.
6 • STAND-ALONE SYSTEM.
7 • GRID-CONNECTED SYSTEM.
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Dr : Mohamed Ahmed EbrahimNovember 16
Solar Thermal Power Plants
History!!!!!!!!!!
!!!!!!!!!!
!!!!
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Dr : Mohamed Ahmed EbrahimNovember 16
Concentrated Solar Power (CSP) Plants
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Dr : Mohamed Ahmed EbrahimNovember 16
World CSP Map
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Dr : Mohamed Ahmed EbrahimNovember 16
Solar Energy Current & Future in Egypt
Total installed capacity about 38 GW
o 34.7 thermal,
o 2.8 hydro,
o 0.75 wind,
o 0.14 CSP
o 0.03 PV
Renewable Energy (Wind & solar) represent about 2.5%
from the capacity & 0.8% from the electric energy.
Targeting to reach 20% of the electricity generation by
year 2022.
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Dr : Mohamed Ahmed EbrahimNovember 16
Possible Sites for Renewable Energy projects in Egypt
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Dr : Mohamed Ahmed EbrahimNovember 16
Egyptian National Strategy up to 2022
The Egyptian National Strategy targets to reach 20% of the
electricity generation by year 2022 as follows:
Renewable Energy Source Capacity
(MW)
Energy
(TWh) & %
Wind 6810 30.6 (12%)
Solar 2879 2.2 (2%)
Hydro 2800 14 (6%)
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Dr : Mohamed Ahmed EbrahimNovember 16
Solar resources assessment
Average annual direct
normal solar radiation
reaches (2000-3200)
kWh/m2/year.
Average sun shine duration
ranges between 9-11 h/day
from North to South, with
very few cloudy days.
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Dr : Mohamed Ahmed EbrahimNovember 16
Measurement of Solar Radiation
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Dr : Mohamed Ahmed EbrahimNovember 16
Measurement of Solar Radiation
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Dr : Mohamed Ahmed EbrahimNovember 16
Solar Radiation Measurement Devices
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Dr : Mohamed Ahmed EbrahimNovember 16
Thermodynamic conversion efficiency
The maximum thermodynamic conversion efficiency that
can be theoretically achieved with the hot side temperature
Thot and the cold side temperature Tcold is given by the
Carnot cycle efficiency, which is as follows
𝜂𝐶𝑎𝑟𝑛𝑜𝑡 =𝑇ℎ𝑜𝑡 − 𝑇𝐶𝑜𝑙𝑑
𝑇ℎ𝑜𝑡
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Dr : Mohamed Ahmed EbrahimNovember 16
Applications of Solar Thermal Systems
Heating of domestic hot water in small residential
applications
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Dr : Mohamed Ahmed EbrahimNovember 16
Heating of domestic hot water in collective applications
(residential, hotels, hospitals, sport centers).
Applications of Solar Thermal Systems
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Dr : Mohamed Ahmed EbrahimNovember 16
Space heating.
Applications of Solar Thermal Systems
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Dr : Mohamed Ahmed EbrahimNovember 16
Pool heating.
Applications of Solar Thermal Systems
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Dr : Mohamed Ahmed EbrahimNovember 16
Industrial process heat.
Applications of Solar Thermal Systems
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Dr : Mohamed Ahmed EbrahimNovember 16
Solar cooling.
Applications of Solar Thermal Systems
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Dr : Mohamed Ahmed EbrahimNovember 16
Solar Energy Collection
Classification of CSP collectors
A- Line focusing systems
- Parabolic Trough. - Linear Fresnel Reflector.
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Dr : Mohamed Ahmed EbrahimNovember 16
Concentrating Solar Power (CSP)
B- Point focusing systems
- Solar Tower systems. - Parabolic dish.
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Dr : Mohamed Ahmed EbrahimNovember 16
Technology Solar Concentration
(x Suns)
Operating Temperature
on the Hot Side
Thermodynamic
Cycle Efficiency
Parabolic
Trough
100 300 – 500 oC Low
Central
Tower
1000 500 – 1000 oC Moderate
Dish 3000 800 – 1200 oC High
Comparison of Alternative Solar Thermal Power System Technologies
Concentrating Solar Power (CSP)
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Dr : Mohamed Ahmed EbrahimNovember 16
Linear Fresnel Solar ConcentratorAugustin Jean Fresnel (1788-1828), French Physicist
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Dr : Mohamed Ahmed EbrahimNovember 16
Linear Fresnel reflectors use stretched narrow segments
of mirrors to focus sunlight onto a fixed receiver tube
that runs axially above the array of reflectors located at
a common focal point of the reflectors.
Optimal orientation for maximum gain is north-south,
but any orientation is possible.
Linear Fresnel Solar Concentrator
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Dr : Mohamed Ahmed EbrahimNovember 16
Linear Fresnel Solar Concentrator
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Dr : Mohamed Ahmed EbrahimNovember 16
Incident Concentrated Solar Energy Calculations
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Dr : Mohamed Ahmed EbrahimNovember 16
Incident Concentrated Solar Energy Calculations
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Dr : Mohamed Ahmed EbrahimNovember 16
Incident Concentrated Solar Energy Calculations
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Dr : Mohamed Ahmed EbrahimNovember 16
Incident Concentrated Solar Energy Calculations
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Dr : Mohamed Ahmed EbrahimNovember 16
Incident Concentrated Solar Energy Calculations
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Dr : Mohamed Ahmed EbrahimNovember 16
Incident Concentrated Solar Energy Calculations
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Dr : Mohamed Ahmed EbrahimNovember 16
Incident Concentrated Solar Energy Calculations
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Dr : Mohamed Ahmed EbrahimNovember 16
Incident Concentrated Solar Energy Calculations
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Dr : Mohamed Ahmed EbrahimNovember 16
Incident Concentrated Solar Energy Calculations
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Dr : Mohamed Ahmed EbrahimNovember 16
Incident Concentrated Solar Energy Calculations
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Dr : Mohamed Ahmed EbrahimNovember 16
The useful energy
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Dr : Mohamed Ahmed EbrahimNovember 16