Reil summer training prenestition
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Transcript of Reil summer training prenestition
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INDUSTRIAL TRAINING SEMINARTAKEN AT
RAJASTHAN ELECTRONICS AND INSTRUMENTS LTD.KANAKPURA, JAIPUR.
Submitted to: Submitted by:Mr.R.C.Jain Ajay MeenaTraining Coordinator B.Tech ECEREIL Jaipur. NIT Hamirpur.
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• Training Overview
• Introduction
• Organization profile
• Agro electronics division
• Principle of EMT
• Technical Specifications
• Working Principle
• SPV production division
• Flow Chart for Solar panel
• Technical Specifications
• Other products
• Key learnings• Conclusion
Contents
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Training Overview
Industry Rajasthan Electronics &
Instrumentation Ltd,
Jaipur
Duration 10 June 2013 to 11July
2013
P&IR Head Mr. Neeraj Saxena
TrainingCoordinator Mr. B. S. Chauhan
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REIL is Rajasthan Electronics & Instruments Ltd. It is a publicsector unit and it has a prominent place amongst theelectronics industry of Rajasthan. It was established in 1981.It is situated at the Kanakpura industrial area about 12 Kmfrom Jaipur city. REIL has joint venture between theGovernment of India & the Government of Rajasthan,through their respective institutions. Government of Indiaand Government of Rajasthan holds51% and 49 % share inthis company respectively.
Introduction
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Rajasthan Electronics & Instruments Limited (REIL), as acommercial organization has been in operation for the past27 years with a proven track record of profitableperformance, professional management and service to therural masses through electronic products for the dairy/Milkcooperatives and renewable energy sectors. REIL commencedits foray in the Dairy sector with the manufacture ofElectronic Milk Testers under the technology developedoverseas by Foss, Denmark. The company entered the area ofRenewable Energy through Solar Photo Voltaic (SPV)technology, in the year 1985. the company started itsoperations with manufacture of SPVPREFACE
ORGANIZATION PROFILE
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S. No. Particulars 2007 – 2008 2008 - 2009 2009 - 2010
1 Turnover & other Income 8150.84 8711.11 9913.32
2 Net Profit before Tax 405.71 148.52 199.68
3 Profit after Tax 268.22 110.87 182.64
4 Dividend (including Tax) 65.00 42.50 85.00
5 Fixed Assets
5.a Gross Block 1899.81 2035.21 1929.97
5.b Less depreciation 655.61 742.45 792.34
5.c Net Block 1244.20 1292.76 1137.63
6 Current Assets 4768.62 5345.70 6202.68
6.a Total Assets 6012.82 6638.46 7340.31
6.b Less Current Liabilities & Provision 2792.11 3088.23 4270.64
7 Capital employed : represented by - 3220.71 3550.23 3069.67
7.a Share capital 325.00 527.00 527.00
Profile Sheet of REIL
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Why Solar Energy?
It is Free.
It is Clean.
It is Infinitely renewable.
It can reduce our utility cost.
It increases our energy self reliance.
It is extremely reliable.
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Solar Photo Voltaic (SPV)Modules
Connected assembly of solar cells.
Output of 0.5 - 0.6 volt DC.
Output Current depends on Area
of the cell and the amount of Light
falling.
So efficiency is determined by the
area of a module.
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How PV Cells Work?
Composed of ultra-thin layer of N type silicon on top of a thicker
layer of P type silicon.
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Block Diagram
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Manufacturing Process ofSPV Modules
Processes during manufacturing of SPV modules :-
Part I Part II
1. Tabbing of Cells 1. Lamination
2. Row Making 2. Curing
3. Stringing 3. Trimming
4. Lay up 4. Testing
5. Terminal Box Fitting & Soldering
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Manufacturing Process
1. Tabbing of Cells
Process of making terminals of a bare cell by soldering
copper strips to the bus bar.
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Manufacturing Process
2. Row Making
A row of cells is made by connecting positive surfaces of
one cell to the negative surface of another cell.
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Manufacturing Process
3. Stringing
The rows of SPV cells are connected in series to get
desired power rating.
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Manufacturing Process
4. Lay-up
In this process,
solar cells are
put in between
various layers
for lamination
and curing
process.
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TABBING OFCELLS
COMPONENTSSTORE
STRINGING
CURING
LAMINATION
STRINGINSPECTION
ANDREPAIRING
LAY UP
TRIMMING
CHANNELLING
REGRADETERMINAL BOX FITTING
AND SOLDERING
GOODS STORE
VISUAL & ELECT.INSPECTION
OK
FINALINSPECTION
OK
NOT OK
OK
FLOW CHART
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Can be designed for variety of applications and
operational requirements.
Have no moving parts.
Expandable.
Transportable.
The fuel (sunlight) is free.
No noise pollution or any othe type of pollution.
Requires minimum maintenance.
Have long service lifetimes (upto 20 years).
Advantages
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High Cost.
Large Surface Area.
Doesn’t work at night.
Not reliable unless kept in a very sunny climate.
Disadvantages
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AGRO Electronics DIVISION
Electronic Milk Tester
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Principle :-
EMT is a simple, economical but accurate milk fat testing instrument.It measures the fat content instantaneously on a digital read out. It does notinvolve the use of corrosive chemicals.Electron milk tester is based on thephotometric measurement of light scattered by the milk sample. The lightis scattered by the fat globules, acting as small prism.
Features: -1. Auto zero facility2. Easy to read digital LED display3. Runs on mains or batteries4. Measures up to 13% fat5. Accepts small sample volume6. Performs 120-150 test per hour7. Automatic switch over to battery in case of power failure8. Cheapest method of milk testing .
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• MILK INGently mix milk samplePlace sample under milk intakePush milk in button
• MIX OUTEmpty mix beakerPlace mix beaker under milk intakePush mix out button
• PUMPMove mix beaker to mix intakeRaise and lower handle 3 times
• READRead % fat in display and record
Working Operations
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OTHER PRODUCTS OF REIL
• VEHICLE TRACKING SYSTEM (VTS)• SPOT BILLING TICKET MACHINE• SPV RAILWAY SIGNALING SYSTEM
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Applications:-
•Street lighting
•Water pumping
•Battery charging
•Railway signaling and lighting systems
•Rural radio phones and exchanges
•Portable lantern
•Power pack for village electrification
•Satellite communication
•Grid connection system
•Space energy source
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Water pumping
Electric power generation in space
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Health care:
Telecommunication systems
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Grid-connection systems
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CONCLUSION
• The summer training in REIL played an important role todevelop myself. It was a golden opportunity for me to get thepractical knowledge and hands-on experience from the thingsabout which I had theoretical knowledge from the coursecurriculum.
• As the organization follows the ISO 9001 standards, everything is done in a particular way following the documents. In addition I gained knowledge about the working principle of solar cells and the various applications in which they are used.
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REFERENCES
• www.reiljp.com
• www.wikipidia.com
• http://en.wikipedia.org/wiki/Mobile_radio_telephone
• Material from Organization
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!!!