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ByEngr. Faiz Mohammad Bhutta
General Manager Business DevelopmentIzhar Energy Services ( Pvt) Ltd
Izhar Group of Companies( Member International Solar Energy Society Germany, Chapter Chairman Renewable Energy Association of Pakistan, Member
ASHARE USA, Member HVACR Society, Member IEP, Member IEEEP, Member PEC)
SOLAR ENERGY APPLICATIONS IN COMMERCIAL AND INDUSTRIAL
SECTORS AND BARRIERS IN ITS GROWTH
CONTENTS
SOLAR THERMAL TECHNOLOGY
SOLAR PHOTOVOLTAIC TECHNOLOGY
SOLAR LIGHTING TECHNOLOGY
SOLAR PUMPING TECHNOLOGY
APPLICATIONS OF
SOLAR THERMAL TECHNOLOGY
SOLAR WATER HEATING SOLAR INDUSTRIAL PROCESS HEAT SOLAR THERMAL POWER GENERATION
SOLAR TEHRMAL TECHNOLOGY APPLICATIONS
CONVERSION OF SOLAR RADIATIONS INTO HEAT OR
TEHRMAL ENERGY
SOLAR THERMAL APPLICATIONS
Hot water usage for bathing, washing and Laundry
Pre-heat for Boilers Swimming pool water heating Space Heating for commercial buildings Solar Steam Generation for Industrial Process Degreasing and phosphating in metal
finishing industry Solar Drying in food, wood, Leather
SOLAR THERMAL COLLECTORS
Vacuum Tubes
Concentrated Tower Concentrated Parabolic Concentrated Dish
1000 C 400 C 400 C
CSP will be able to cover 11% of world electrical demand by 2050
Flat Plate
High Temperature Solar Collectors
45 to 90 C
Low Temperature Solar Collectors
Hot water for bathing, washing and Laundry
NON-PRESSURIZED SOLAR WATER HEATING
Solar fraction: 75% - 0.5 m2 collector area per personSolar fraction 100% -0.9 m2 collector area per person
1 m2 vacuum tube collector = 80 liters storage1 m2 flat tube collector = 60 ltrs storage
Hot water for bathing, washing and Laundry
NON-PRESSURIZED SOLAR WATER HEATING
Hot water for bathing, washing and Laundry
PRESSURIZED SOLAR WATER HEATING
Solar Pre-heat water for Boiler
PRESSURIZED SOLAR WATER HEATING
Space heating for commercial buildings
Space heating for commercial buildings
AIR BASED HEATING
Solar Drying
SOLAR KILN
Swimming Pool Water Heating
Solar swimming Pool at Shapes
Solar Steam Generation for industrial process
Parabolic
Dish
Tower
CONCENTRATED SOLAR COLLECTORS
POWER GENERATION THROUHG SOLAR TEHRMAL
Solar Thermal Power Plant280 MW solar Thermal power plant in Arizona at a cost of $ 1billion supplying powering 80,000 homes. Will be operational in 2013
BARRIERS
Low customer awareness and Cheating by suppliers Low customer confidence because of new
technology Lack of skilled installers Under-designing of system because of lack of
knowledge of designers and high pricesLack of policy on bank financingLack of Subsidies lack of promotion at Government Level
SOLAR PHOTOVOLTAICS
CONVERSION OF SOLAR RADIATIONS INTO ELECTRICALENERGY
Solar potential is 100,000 MW
Deep Cycle Batteries Mountings40,000 rural villages are without electricity
Energy demand isRising 12% per yearAnd gap is 5000 MW
Energy Prices areRising
Solar Panels
According to Solar Buzz , 15 GW installation of target was met in 2010.
COMPONENTS OF SOLAR PV SYSTEM
Solar panels – 50% of cost Controllers ( charge controllers and
inverters) Deep Cycle Battery -30% Mounting Cables, thimbles and accessories
Ground Mounted
Price of system varies as per maximum load in watt, hours of operationand autonomy
Comparison of different cell types
Cell material
Module efficiency
Module surface area
for 1 kWp
Module surface area
for 1 MWp
Mono-crystalline silicon 11 – 16 % 7 – 9 m² 7,000 – 9,000 m²
Poly-crystalline silicon 10 – 14 % 8 – 9 m² 8,000 – 9,000 m²
Thin film(CIS) 6 – 8 % 11 – 13 m² 11,000 – 13,000 m²
Amorphous silicon 4 – 7% 16 – 20 m² 16,000 – 20,000 m²
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RADAITON DATA PAKISTAN CITIES
Islamabad – Maximum at 30 Degree = 2135 KWhr/m2/yearKarachi – Maximum at 30 Degree = 2168 KWHr/me/yearBahawalpur – Maximum at 30 degree = 1981 KWHr/m2/YearD.G.Khan Maximum at 30 degree = 1975 KWhr/m2/yearFaislabad Maximum at 30 degree = 1816 Kwhr/m2/yearLahore Maximum at 30 degree = 1806 Kwhr/m2/yearMardan Maximum at 30 degree = 2143 Kwhr/m2/yearMultan Maxium at 30 degree = 1961 KWhr/me/year
OFF-GRID PV SYSTEM
ON-GRID PV SYSTEM
Things to consider while purchasing Solar PV system
How much watt-hours system will generate per day What is the maximum allowable load to be run by solar How much hours system works if full load is run continuously. What is the reserve hours in case there is no sun Has designer accounted for 1% decrease in Solar Panel output every
year. Are solar panels TUV Certified as per IEC standard 61251 & 61730. For 25
years limited warranty, TUV certification is must. Are Batteries deep cycle Batteries What is the operational life of deep cycle batteries What is the payback time Ask list of REAP certified technicians What is limited warranty.
COMMERCIAL AND INDUSTRIAL APPLICATIONS
Stand Alone solar System in rural Areas upto 500 W Solar Power Plants from 10 KW to 20 MW Solar Parks upto 20 MW Solar UPS Solar Traffic Signals Lights Power for Remote Security and Surveillance Systems Remote data acquisition and equipment monitoring Power for Telecommunication Towers and BSC and MSC Building Integrated Photovoltaic System Military signaling applications Cathodic Protection of Pipelines Solar water Pumping Commercial Solar Lighting for roads, motorways and parks, Bus stops Solar Lighting for Buildings and Industries
STAND ALONE SYSTEM FOR RURAL AREAS
UPTO 500 WATTS FOR RURALAREAS
SOLAR PV POWER PLANT
550 MW Desert Sunlight Project in California for 165,000 Homes Under construction at 4100 Acre Land Area
SOLAR PARK
SOLAR UPS
REMOTER TERMINAL UNITSAND SERVIELINCE
POWER FOR TELECOMMUNICATIONS SYSTEMS
BUILDING INTEGRATED PHOTOVOLTAIC SYSTEM (BIPV)
MILITARY SIGNALLING SYSTEMS
CATHOTIC PROTECTION OF PIPELEINES
Cathodic protection is a procedure used to protect an object from corrosion by making it a cathode
SOLAR LIGHTING APPLICATIONS
Solar Street Lights Solar Flood Lights for Buildings and
Fields Solar Parking Lights
SOLAR LIGHTING
BARRIERS
Lack of customer awareness Under-designed systems Lack of designing and installation Skills Lack of standards Lack of Subsidy and bank financing Lack of promotion and will at Government Level Lack of FIT ( Feed in Tariff Policy) Lack of Grid Interconnection Policy Lack of financing for solar Projects
SOLAR PUMPING
APPLICATIONS
Drinking water Live Stock Irrigation Agriculture
DC Solar Pumps upto 1000 WAC Solar Pumps upto 50 KW
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