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Monday, March 26, 2012

SOLAR THERMAL PRODUCTS FOR SALE

http://cleantechnica.com/2012/04/27/adb-solar-energy-initiative-funding-for-reliance-powers-100-mw-solar-thermal-power-project-in-rajasthan/
SOLAR THERMAL PRODUCTS
Solar cooker:  Solar dish concentrator concentrates radiations of sun on receiver/cooking pot through all the day from 9a.m to 3p.m. It tracks the radiations of sun manually. Parabolic dish consists of set of high reflective Aluminum Sheets. Normally, dish cookers has an area 1M^2, 1.4M^2, 3M^2, 4M^2 of the shape elliptical or parabolic shape.
SK 10 Dish Cooker:             Cooking capacity for 5 to 8 people (3liters)
SK 14 Dish Cooker:             Cooking capacity for 8 to 12 people (5liters)
SK 30 Dish Cooker:             Cooking capacity for 30 to 40 people (25liters)
SK 40 Dish Cooker:             Cooking capacity for 50 people (35liters)
Use: For rural Families who use traditional Mud Stoves uses Fire- wood, Cow dug and Crop residue etc. Residential schools, mid day meal program, Military & Defense teams deployed in remote and urban areas, Small Canteen facilities to employees, and many more Catering up to 50 persons daily.
Direct Cooking System: Solar dish concentrator concentrates radiations of sun on secondary reflector through all the day from 9a.m to 3p.m. It tracks the radiations of sun through automated tracking device, which rotates the parabolic dish along axis of rotation of sun. It enables the User to cook in the comfort of the kitchen. The systems are very Economical for up to 200 Men cooking and paybacks are very attractive.
Use: For Residential schools, Mid-Day Meal program, Military and Defense team Deployed in Remote and Urban area alike, Hotels, Institutions, Industries providing Canteen facilities to employees, Temples and many more catering to less than 200 persons daily
Steam Cooking System: There are several static concentrators reflecting/ concentrating solar rays on one receiver each. The steam generated in receivers due to Solar Energy goes to steam header. The system is connected with feed water and steam pipelines that in turn are interconnected with the boiler and cooking vessel system. We have specialized Thermic fluid Cooking systems for higher altitudes.
Uses: For Residential schools, Mid-Day Meal program, Military and Defense team Deployed in Remote and Urban area alike, Hotels, Institutions, Industries providing Canteen facilities to employees, Temples and many more catering to lmore than 200 to several Thousands persons daily
Industrial Hot Water System: Worldwide, Solar water heating has been attracting the attention of the policy makers due to its potential to reduce electricity consumption and consequent emission reduction. The system is connected with feed water and hot water pipelines that in turn are interconnected with the back-up system. The system has specialized TSS coil type receiver which heats the water to desired temperature. The Hot Water generated receivers due to Solar Energy goes to the boiler or sent to the process, where ever it is required. We have specialized Thermic fluid heated Hot water systems for higher altitudes.
Uses: in Hotels, Malls, Hostels, jails, None commercial Establishments such as, Orphanages, educational Institutions, Clubs, religious places, Military and Paramilitary Forces at high Altitudes, Boiler feed water and industrial process applications and many more using Hot Water in thousands of Liters daily.
Incineration System: Incineration of Hazardous and None- hazardous liquid and solid waste is the most economical application with Solar Thermal technology. With advance Solar Concentrated Technology, now it is possible to achieve temperature up to 1000° C. The parabolas concentrate the solar radiations in the combustion chamber. Air is blown in the chamber, which keeps the temperature uniform through out the chamber. Any kind of Hazardous waste ranging from Bio to Chemical to municipal can be incinerated in the chamber. It’s a great boom to industries.
Uses: In Municipal Corporations for Municipal Solid waste, remotr villages facing solid waste problems, Hospitals, Military and Paramilitary forces for incenerating Human & Kitchen Waste, Common Effluent Treatment Plants, Process plants and all the industries generating Hazardous Liquid or Solid waste.
Crematorium: With two huge 32 M^2 Parabolas, the system can achieve temperature up to 1200° C. The temperature is sufficient for burning human or animal body. The Sun concentrates all the Energy on a chamber where the body is kept, hot air is blown through the blower in chamber, which helps to acquire uniform temperature across the chamber. The Chamber is design in such a way that the solar radiation gets reflected from it’s inner wall and concentrates on the plate where dead body is kept, thus making full use of the Solar Energy and increasing the overall efficiency. Back up system is provided by Biogas/Biomass/LPG/CNG fired furnace.
Uses: in Remote villages where wood is scare and no electricity. Conventional Crematoriums, Gram Panchayats  and Municipal Corporations.
Air-Condition System: Solar Concentrates radiations of sun on receiver which converts water in the receiver to Hot Water or steam and the heat of that steam is used for air-conditioning effect through Vapor Absorption Machine. In this system water itself works as a refrigerant and lithium bromide salt solution as an absorbent. Our team has the experience of installing Words first and also the World’s Biggest Solar Air-Conditioning System. Centralized Solar Air-Conditioning System can reduce the Energy bills drastically for Government, Domestic and industrial users.
Uses: in Malls, Corporate houses, educational Institutions, Hospitals, Dairies, Government offices, Process application in industries where cooling is required and Cold Storages.
Space Heating System: Solar Space Heating is a very useful application for an area with low climate temperature and very good sun radiation( Ideal for higher altitudes). The concentrators heat up the Thermic fluid in the system, Heat exchangers are used to transfer the heat of Thermic fluid to the air and heated air is used for the space even Thermic fluid can be directly circulated through radiators, It keeps the room temp. Constant in winter, in cold areas. It saves huge quantum of fuel for heating.
Uses: in High Altitudes or area with Sub-zero temperatures for Hotels, Hospitals, Corporate and Government offices, Military & Paramilitary Establishments, and Process  Heat required in form of Direct or Indirect heating in Industries.
Desalination/Waste Water Evaporation: Municipal Solid Waste, Hazardous Solid and Liquid waste are great nuisance and challenge for all PCB’s and Industrial houses. The industry is spending too much money for a solution and the cost of energy spend is too much high for incineration. Solar Waste water incineration and Evaporation along with conventional multi effect evaporators is the best effective solution. India has a vast Coastal area and if Solar Desalination ia taken up seriously than it can tackle Drinking and Irrigation water problems for ever.
Uses: in Remote and Coastal villages, Remote Drinking Water schemes, Irrigation schemes, Process Industries, Common Effluent Treatment plants and for almost all industries generating hazardous Waste Water.
Dryers: The conventional techniques of Agricultural and industrial drying can be replaced by the environmental friendly solar drying techniques. The difference of this technique is that the heat is created by the Sun radiation. The heat is circulated by a ventilator/fan to the crop, fruits or product to be dried. Drying of crops can change by this trend and is useful in most area of the world, especially those without a high humidity during the harvesting season. If drying of produce is widely implemented, significant saving to farmers can be achieved. These savings could help strengthen the economic situation of numerous developing state governments as well as change the nutritional condition in these states. The biggest advantages are the product is free from soil & dust, taste and texture is retained so it generates best price and it is the most hygienic way of drying.
Uses: in agricultural Crops, Seasonal Fruits, Dry Fruits, Flowers, Dairy Products, Food Industry, Spray Dryers and Process industries where drying is required.
Pasteurization System: Pasteurization of Milk or Drinking water is one of the best innovations of Solar Thermal. It is blessing for various food based industries, diaries etc. for whom potable water ia a very important component . the ground /surface water is passed through a radialy outward membrane filter( needs to be replaced twice a year) where all the suspended solids are trapped. It also removes the impurities like magnesium, calcium salts etc. from the water to make it soft. Than the water is heated to temperature up to 80°C to 90°C for 20 to 30 minutes. This makes it (Pasteurized germs free and pure drinkable water.)
Uses: in Drinking water Solutions where pond, River and Well Water is used, Food Industries, Dairies, Military or Paramilitary in remote places, Small &  Remote Villages etc.
Industrial Applications & Uses: All industries small or big, their maximum expenses are of  Thermal Energy for any process application, Our most experienced team understands various applications, which requires energy in different forms by different industries, including tourism sector and hence Taylormade solutions can be integrated with the current system. Applications can be in all kind of industries for any thermal application may it be Hot Air, Thermic Fluid Heating, Steam or Pressurized hot water etc.





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Sunday, May 16, 2010

BARMER THE SOLAR ENERGY GENERATOR IN FUTURE







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            Barmer Jain Marriage Bureau Seva Samiti



Barmer district is situated at the 71° 23' East Longitude and 25° 45' North Latitude in west of state Rajasthan and country India. It has so many local resources and tourist places and hotels. Total area is 28387 km2. Even 1% of this area can produce 24GWh electrical energy per year. The average sun shines for 340 days a year.(Barmer weather) The Sun gives light energy @ 1KW per square meter at   25 ° cell (solar cell) temperature and 1.5 air mas The solar insolation is 2400KWh per year. This means that if we install 1KW solar energy power plant at home, we can solar light of 2400KWh per year. This amount of energy is sufficient for average house hold. Besides this small power plant we can construct big plants in the range of 1MW to 500MW or more. These big projects can be grid connected for further supply to destinations. Though the energy cost of generated electricity is Rs.7.5/- per KWh, but it is pollution free energy. 1KW solar plant saves 0.8tones carbon. The solar energy is not only environmental friendly, but it also generates employments. The land owners can be made partner for that power plant.The secret of solar power plant is that it can be constructed in 1KW, 2Kw, -----1MW, 10MW ,100MW and so on.  The Indian Govt. has declared a policy for boosting solar energy in a Jawaharlal  Neharu solar energy mission-2014. In Rajasthan five districts Barmer, Jodhpur, Jaisalmer, Nagaur and Bikaner have been chosen for solar energy 


http://www.mnre.gov.in/pdf/jnnsm-g170610.pdf
                                                                                
 There are two types of solar plants.
1. Photovoltaic Stand alone system
2. Electric grid connected system.
Stand alone system is independent system which generates electrical energy from photovoltaic cells. This can be installed on home's roof to fulfill the requirement of home owner. It consist of solar panels, deep cycle batteries for power back up, inverters, charge controllers & power panel etc. The part of system other than solar panel is called B.O.S(Balance of system).The grid connected system is the same as stand alone system but it has no back-up batteries, the electricity is generated and sent to electric grid. One can use also back flow meter to sell the excess amount of energy at day time and receive back when there is no sun, in night or cloudy season. Commercially   grid connected systems are of two types. 1. Photovoltaic 2. Solar thermal. The photovoltaic is described as above, but the solar thermal power plant is different one. It uses parabolic concentrated glasses, synthetic oil passes through it and heated to 400°centigrade, this temperature produces super heated steam and power is generated from steam turbines just like fossil power plants. The ESOLAR has designed a solar power tower system which uses heliostats. A 50MW solar power tower system will come in Jaisalmer by ACME Jaisalmer solar thermal Pvt.Ltd. Beside solar energy lignite based power plants have been established in village Bhadres by the name RAJWEST and other in thumbali, cairn India is exploring crude oil & gas from earth, HPCL is establishing refinery in Barmer. Thus the Barmer become the energy hub in the world map.
                                                                            .     
It is useful small houses for lighting purposes, water pump sets. It can be installed on the roof of house or ground. It consists of :-                                    .  
1     Solar panels made of mono crystalline or poly crystalline silicon cells 1000Watt.
2      Deep cycle battery 500AH
3     Combiner box
4     Charge controller
5     Inverter
6     Grounding
7     Utility circuits A.C and D.C
Site selection:- The solar panel should be mounted at shade free areas. Atleast the sun should remain during 3.0 hours before and 3.00hours after solar noon. The roof area should be 200 Square feet (Approx. 20.M2).The roof should bear wind load and panel weight. If you are installing solar panels on the ground, than these should be protected with fencing.

Solar panels mounting:- Solar panels are mounted on iron fixtures so that it can withstand wind and weight of panels. The direction of panel is south facing for maximum power tracking. The tilt angle of panels will be 25° from horizontal. This angle is called axis tracking angle. You can set 40° degree tracking angle in the month of December and 10° degree in the month of June. In the month of September & March it will be 25° degree. 
Determination of south:-  For correct mounting of panels you should determine the true south. Erect a 5 to 6 feet wooden stick vertically on the ground and see the shadow of this stick at the mid day time. ( watch the time of sun rise & sun set of any day and get total sun day, make it half and add to sun rise. This time is called solar noon.). The shade indicates true south and true north.  You need not to find it with magnetic compass. Because for Barmer true north and magnetic north are approximately equal.

Deep cycle batteries:- Do not use automobile batteries. These batteries are different from ordinary automobile batteries. These batteries can be discharged up to 80% as compare to automotive batteries, which can be discharged up to 20%. Batteries are connected series and parallel in such a way to produce 48 Volts. 500Ah battery is sufficient.
Junction box:- Solar panels are connected parallel or series to produce 48 nominal volts.
Charge controller:-  Maximum power tracking charge controller should be used. Solar power increases from sunrise and become maximum at noon and decreases to sun set. So charge controller regulates the power output.
Inverter:- It converts D.C to A.C. 48Volts D.C is converted into 230Volt A.C at frequency 50 cycles/second. Do not use U.S.A standard inverter because it uses 60c/s.
Grounding:- Solar panels should be grounded properly to save from lightening.
Utility- A.C & D.C circuits: We can use both utility electric circuits for our basic needs. 
Water pumps:- Batteries and inverter is not used in this system. Two axis trackers are used to maximize power out put.
Govt. rebates :- In Rajasthan, Rajasthan Renawable Energy Corporation Ltd  is Govt. agency for registration of solar thermal & solar photovoltaic power plant.
1     Rs.12/- rebate for 1KWh for photovoltaic power plant.(Commercial only)
2     Rs. 10/- rebate for 1KWh for solar thermal power plant.(Commercial only)
3     100% depreciation for all.
4     Rs.86%- Per peak watt subsidy for installing solar power at wells for irrigation purposes.  
 Cost and life of plant: The cost of 1KW power plant is Rs.92225/- LANCO
       The life of solar panel is 25years. The battery life is 5 to 8 years depends upon us.
                      In the last solar energy is pollution free energy. It helps to reduce global warming & save lot of water. It is energy for future. U.S.A, Canada and Australian govt. are giving individual subsidy $5000/- per KW. Our govt. should provide such subsidy. Govt. should impose carbon tax to huge consumers of electricity and discharges green house gases i.e using coal & lignite for generation of electricity. The cost of solar energy in the form of solar light decreases as the time passes.


Specifications of SPV System of 1000Wp Capacity Hybrid System and Bill of material
1.   Solar PV array: Capacity 1000Watt, Minimum 74 Wp for total array capacity of 1000Wp
2.   Battery Bank with Battery Box/Battery Rack:  
(i) 12V,800Ah.  Quantity 8Nos. of 12V/100Ah
OR
(ii) 24V, 400Ah Quantity 4Nos. of 24V/100Ah
OR
(iii) 48V, 200Ah Quantity 2Nos. of 24V/100Ah
3.  PCU/Inverter with charge controller:
Capacity 1200VA/1Kw PCU with inbuilt MPPT Solar Charge Controller 60Amp.Priority: Solar---Battery----Grid. Quantity 1set, Qualifying MNRE standards.
4.   Cable and Connectors: Capacity 2 core, 4.0 Square MM Cable, Quantity 50Meters, ISI approved.
5.   Module Mounting structure: 40x40x5mm Size, quantity as per requirement, Hot Dipped galvanized.
6.   All nut & bolts: As per requirement, Shall be of high quality stainless steel
7.   Balance of systems: As per requirement, of certified quality standards.
Not: (1) The system should confirm operation of                   600Watt capacity for 6 hours per day
         (2) All cable lengths are assumed and                           scope of supplier includes cables up to                          main distribution Board through inverter                       excluding internal house wiring.
 


                                 How System Works



power pack is a solar cum mains hybrid inverter with solar charging priority to power domestic appliances like CFLs / Tubes, Fans, T.V., Computer etc. The unit consists of solar panel, batteries, & solar /Mains charge controller cum inverter with logic circuit.

System Description
Solar Photovoltaic Modules : A solar photovoltaic module is the basic element of each photovoltaic system. It consists of number of solar cells arranged and connected in a definite pattern. It converts solar energy into electrical energy when sunlight falls on its surface.
Solar Inverter Cum Charge Controller With Intelligent Logic Control : Solar Inverter converts DC (Direct current)power from the battery to AC (Alternating current) power compatible with the utility and AC loads. This unit consists of Solar Inverter cum Charge Controller with Intelligent Logic which controls the charging of battery from solar or mains with solar as priority.
This system monitors the Battery charge status and accordingly decides to charge the battery either from solar or from mains. First priority of charging is from solar modules and only in the absence of solar power (no-sunshine time) and when battery voltage is low (a predetermined level), the mains charger is turned ON automatically. This maintains the battery on float.
When battery bank reaches a preset low voltage, mains charger turns "ON" and charges the battery bank. Next day, when solar radiation is available, the cycle repeats. This ensures healthiness of battery and hence the life of the battery gets extended. Battery deep discharge, over charge protections are incorporated inside the Solar Inverter.

Battery
A device that converts the chemical energy contained in its active materials directly into electrical energy by means of an electrochemical reaction. Low maintenance, tubular type batteries are provided with this system.
Models Available
150VA, 250VA, 375VA, 500VA, 750VA, 1000VA and 2000VA.
Applications & Uses
For Conventional loads like lamps, tubes, fans, etc., in homes, shops, banks, hospitals, hotels etc.



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Engineering Consultants
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Barmer, Rajasthan 344001 India
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Wednesday, May 12, 2010

Annual Energy Generation of 1MW PV solar power plant

If you are installing a 1MW PV solar power plant at particular site, you should know the quantity of electric energy generated during the year. If you know the average insolation per day of at that place, multiply 1MW by 1000 (1mw=1000KW), 365 days per year and insolation per day(5.55 KWh per day for Barmer). It will be 1000x365x5.55=20,25,750 KWh per year.
But you have not counted the efficiency op power plant. In general calculations we assume it 77% . So the net out put power is 20,25,750x77% =15,59,827Kwh (Kilo watt hour) per year. If you are selling this energy to NTPC Vidhyut Vyapar Nigam @Rs17.90KWh, the annual income will be 15,59,827x17.90=Rs2,79,20,903 (Two crore senenty lakh twenty thousand nine hundred three). For net profit you can deduct super vision charges, interest of borrowed capital.
Factors affecting the efficiency PV solar power plant: (Blog Under construction)