CEL is a government organisation thai mainly work on defence system and mainly work on solar cell .

1. COMPANY PROFILE
TYPE :PUBLIC SECTOR UNDERTAKING(PSU)
FOUNDED IN : 1974
HEADQAURTERS : NEW DELHI, INDIA
KEY PERSONS : Dr. NALIN SINGHAL
(Chairman & Managing director)
INDUSTRY : ENGINNERING
PRODUCTS: Solar Photovoltaic, Railways Electronic, Ceramics
WEBSITE : www.celindia.co.in

2. •Central Electronics Limited (CEL) was established in June 1974.
•CEL has developed a number of products for the first time in
the country through its own R&D efforts
•CEL has developed a number of components for strategic
applications and is supplying these items to Defence Industry.
•CEL has more than 35 years of experience in installation
of SPV systems within and outside India.

3. • DIVISIONS OF CEL
• 1 SOLAR PHOTOVOLTAIC GROUP (SPV):
• 2 ELECTRONIC SYSTEMS GROUP (ESG):
• 3 COMPONENTS GROUP:
• (I) PROFESSIONAL FERRITES:
• (II)ELECTRONIC CERAMICS:
• (III)MICROWAVE ELECTRONICS:

4. PRODUCTS Of CEL
• Solar Photovoltaic Group :
• SOLAR CELLS/MODULES
• SOLAR LANTERN
• STREET LIGHT SYSTEM
• HOME LIGHT SYSTEM
• WATER PUMPING SYSTEM

5. Electronic Systems Group :
• SINGLE / MULTIPLE ENTRY / EXIT AXLE
COUNTERS
• UNIVERSAL AXLE COUNTERS
• BLOCK PROVING SYSTEM
• RAILWAY LEVEL CROSSING WARNING
SYSTEM
• SOLID STATE INTERLOCKING SYSTEM FOR
RAILWAYS
• CATHODIC PROTECTION SYSTEM
• VERY SMALL APERTURE TERMINAL (VSAT)

6. UNIVERSAL AXLE COUNTER FOR
RAILWAYS
Axle counters were developed as a substitute for track circuiting.
Two models of axle counters known as single entry/exit axle
counter and
multi entry/exit axle counters
NEED FOR AXLE COUNTERS :
• Monitoring of berthing tracks in station areas and yards.
• Monitoring of point zones in station areas and yards.
• Automatic signaling systems.
• Block section monitoring (between stations) through axle counters
using multiplexers with cable or radio communication (18 GHz).
• Level crossing warning system.

7. TYPE OF SYSTEMS :
There are four types of system used
in the Indian Railways.
• One Device (1-D) System.
• Two Device (2-D) System.
• Three Device (3-D) System.
• Four Device (4-D) System.

8. Radiant Energy
Solar energy is radiation produced by nuclear fusion inside
the sun’s core.
It takes millions of years for the energy in the sun’s core to
make its way to the solar surface.
It takes 8 minutes to travel 93 million miles to earth.
(186,000 miles per second)
The Greenhouse effect traps some of the heat making life
on earth possible.

9. Solar Technologies
o Day lighting
o Passive Solar Heating
o Active Solar Heating
o Concentrating Solar Thermal
o Photovoltaic's (PV)

10. PV Array Fields

11. Components
oPV
Cells
oModul
es
oArrays

12. Component
• One PV cell only produces 1 or 2 watts of electricity, which isn't enough power for
most applications.
• To Increase power groups of solar cells are electrically connected and packaged
into packaged weather-tight modules and arrays to provide useful output voltages
and currents to provide a specific power output.
• A PV System typically consists of 3 basic components.
• PV cells - Electricity is generated by PV cells, the smallest unit of a PV
system,
• Modules - PV cells are wired together to form modules which are usually a
sealed, or encapsulated, unit of convenient size for handling.
• Arrays – Groups of panels make up an array.

13. Conversion Efficiency
The conversion efficiency of a PV cell is the proportion of sunlight
energy that the cell converts into electrical energy.
This is very important because improving this efficiency is vital to
making PV energy competitive with more traditional sources of
energy, such as fossil fuels.
The first PV cells were converting light to electricity at 1 to 2 percent
efficiency.
Today’s PV devices convert up to 17 percent of the radiant energy
that strikes them into electric energy. (40% NREL)

14. Photovoltaic's
Photovoltaic systems convert sunlight directly into electricity,
and are potentially one of the most useful of the renewable
energy technologies.
Also known as solar cells, PV systems are already an important
part of our lives. The simplest systems power many of the small
calculators and wrist watches we use everyday.

15. SELF EVALUATION
• These 30 days Industrial Training has
led me to understand the various
designing, assembling and the
manufacturing processes of
equipments in the industry, CEL.
• It has also enhanced my knowledge
about the functioning and
management of an industry, which I
am sure, will be beneficial to me in
my career.

16. • THANK YOU