2. DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING
Presented by :
Kangkan Kakati(130310406298)
Apratim Thakur(130310806003)
Dept. of ECE
GIRIJANANDA CHOWDHURY INSTITUTE OF MANAGEMENT AND TECHNOLOGY
GUWAHATI, ASSAM
INPLANT TRAINING AT BHEL EDN,BANGALORE
3. BHEL PROFILE
Bharat Heavy Electricals Limited (BHEL) is an engineering and manufacturing
company.
The Company is an integrated power plant equipment manufacturer, which is engaged
in the following:
1. Designing
2. Engineering
3. Manufacturing
4. Constructing
5. Testing
6.commissioning and servicing
Of a range of products and services for various sectors, such as power, transmission,
industry, transportation, renewable energy, oil and gas, and defense.
4. • Registered Office & Corporate HQ :
New Delhi
NEW DELHI
BARODA
NAGPUR
PATNA
CALCUTTA
VARANASI
GOINDWAL
HARIDWAR
RUDRAPUR
JAGDISHPURJHANSI
BHOPAL
HYDERABAD
BANGALORE
RANIPET
TIRUCHIRAPALLY
CORPORATE OFFICE
MANUFACTURING ATIONS
SERVICE CENTRES
• 4 Power Sector Regional Setups
• 18 ROD offices
• Corporate Research &
Development Division : Hyderabad
• 8 Service Centre
• 15 Manufacturing Plants
BHEL LOCATION
5. BHEL EDN
BHEL Electronics Division (EDN)
,located at Mysore Road Bangalore
along with Electronics Systems
Division (ESD-part of EDN), located at
Electronics City ,Bangalore is a leading
supplier of new Generation Power Plant
Automation and Control Systems.
6. PRESENCE
Power Plant Industries: Advanced control & automation equipment and
systems for power plants & process industries
Transmission and Distribution: Providing solutions for improving the
efficiency, quality of power and system stability
Transportation: IGBT based Traction Drive Systems for Locomotives
Defence: Simulation systems and Controls for Naval Ships
Non-Conventional Energy: Photovoltaic Cells, Modules, MW size Power
Plants, Space grade Solar Panels, Space batteries and provide system level
solutions
7. Product Profile of BHEL
Electronics Division
AUTOMATION AND POWER ELECTRONIC SYSTEMS:
Unified Automation for Power Plants (Distributed Control
Systems)
(DCS) for Steam Turbines, Steam Generators and Balance of
Plant Systems)
Gas Turbine Control Systems
Hydro Power Plant Control Systems
Excitation Systems
Industrial Automation
Sub-station Automation and Supervisory Control and
Data Acquisition Systems (SCADA)
8. DC Drive Systems
AC Drive Systems
Power Supplies
Static Starters
Traction Drive Systems for locos and
Electrical Multiple
Units (EMUs)
High Voltage Direct Current (HVDC)
Systems
Flexible AC Transmission Systems
(FACTS)
Custom Power Controllers
Static VAR Compensation (SVC)
Systems
Controlled Shunt Reactor (CSR)
9. SEMICONDUCTORS AND PHOTOVOLTAIC SYSTEMS:
Power Semiconductor Devices
Solar Photovoltaic Cells
Solar Photovoltaic Modules
PV Systems: Grid interactive, Hybrid and Stand alone
PV Power Plants
SPACE:
Space Grade Solar Panels
Space Quality Batteries
10. DEFENCE ELECTRONICS:
Misfire Tactical Gunnery Simulator
Infantry Weapon Effects Simulator for Tactical Gunnery
training
Small Arms Training Simulator for Marksmanship Training
Integrated Platform Management Systems
Machinery Control Room Simulator
Training Simulators for vehicles, platforms, radars, weapons,
missiles and CBT for all defence and para-military forces
Weapon Fire Control Systems, Avionics, Radio
Communication Products, Electronic Warfare Systems and
Early Warning Systems
Radars and associated Systems
11. SOFTWARE SYSTEM SOLUTIONS:
Performance Analysis, Diagnostics and Optimisation(PADO)
Performance Calculation and Optimisation
SERVICES OFFERED:
Harmonic Measurement and Analysis
System study for Reactive Power Compensation Erection and
Commissioning by highly experienced team of Engineers
In- house expertise for efficient Service- After-Sales
Assured Supply of Spares
A highly competent team to respond to Customers’ emergency
needs
Total Solutions to Renovation and Modernisation requirements
Concept to Commissioning solutions for large size
Solar Power Plants
12. Working of Power Plant
A power plant's a bit like an energy production line. Fuel
feeds in at one end, and electricity zaps out at the other.
13. THERMAL POWER PLANT
A thermal power station is a power plant in which heat energy is converted to electric power.
In most of the places in the world the turbine is steam-driven. Water is heated, turns into
steam and spins a steam turbine which drives an electrical generator.
14. HYDROELECTRIC POWER PLANT
The most common type of hydroelectric power plant is an impoundment facility.
An impoundment facility, typically a large hydropower system, uses a dam to store river water
in a reservoir.
Water released from the reservoir flows through a turbine, spinning it, which in turn activates a
generator to produce electricity.
17. PV MANUFACTURING
• The most important material for solar cells production is silicon.
• At the time being, it is almost the only material used for solar cell mass
production.
Monocrystalline silicon Polycrystalline silicon
18. TEXTURIZATION
• Formation of microscopic pyramids on surface of wafer is called teused for this stage
of process.
• Pyramids size must be optimized, since very small pyramids lead to high reflection,
while very large one can hinder the formation of the contactsxturization. Sodium
Hydroxide is widely.
19. DIFFUSION
• Photo voltaic cell is nothing but PN junction diode, in this stage PN junction is
formed through process of diffusion .
• Phosphorous is universally used as the n-type dopant for silicon solar cells .
• Since solid state diffusion demands high temperature.
• it is very important that surfaces are contamination free before process.
• Wafers are placed in quartz tray and kept in a diffusion furnace at temperature
of 700˚C.Furnace is filled with N2 gas it prevent reacting takes place with
some other impurities.
20. PLASMA ETHCING
• N-type regions at the wafers edges would interconnect the front and back
contacts .The junction would be shunted by this path translating into a very
low shunt resistance. In order to isolate this edges etch with plasma is widely
employed.
23. SCREEN PRINTING
Front Contact printing: The requirement for the front
metallization are low contact resistance to silicon, low bulk resistivity, low line
width
Back contact print: Same operations are performed on the
back side of the cell except the paint contains both silver and
aluminum& the print pattern is different.
24. FIRING
• Organic compound of the paste must be burnt off, the metallic grains must
sinter together to form a good conductor, and they must form an intimate
electric contact to the underlying silicon and the back contact on the parasitic n
type rear layer.
25. CELL TESTING
• Solar cells so manufactured are illuminated under an artificial light
source with a spectral content similar to sunlight at 25˚C to get I-V
curve.
• Defective devices are rejected & rests are classified according to
their output.
• Here we established a number of classification based on its short
circuit current at particular voltage near maximum power point.
• Module subsequently built with cells of the same classification,
thus guaranteeing minimum mismatch loss.
27. FRAMING
• The automatic framing station is used for aligning rectangular Aluminum
frame pieces by applying proper force to ensure accurate frame assembly.
• It also punches the frames at the corner block positions for rigidity.
29. TRACTION DRIVES
• These panels control the traction motors.
• Traction drive systems are extensively used in 1600 HP Broad Gauge AC or AC/DC
Electrical Multiple Units (EMUs) and 6000 HP three Phase AC Locomotives for
Indian Railways.
• Gate Turn Off Thyristor (GTO)/Insulated Gate Bipolar Transistor (IGBT) are now-
a- days used for Traction applications.
32. Max/Metso DNA PANELS
Steam Generator Controls: These panels
monitor and control the boiler parameters.
Eg: FSSS- Furnace Safeguard Supervisory System
SBC- Soot Blower Controls
SADC- Secondary Air Damper Controls
APRDS- Aux PRDS Control system
HP BYPASS- HP Bypass controls
Turbine Generator Controls: These panels
monitor and control the turbine
parameters.
Eg: ATRS ( Auto Turbine Run-up System)
Turbine System Control
Oil level Control
Condenser & Evacuation System Control
TSE- Turbine Stress Evaluation Control
EHTC– Electro Hydro Turbine Control, LPBP– Low Pressure By-Pass Control
Turbine Protection Control, ATT– Automatic Turbine Testing
Balance of Plant Control: These panels
monitor and control:
Coal Handling Plants
Ash Handling Plants, C&I, ID fans, FD fans
33.
34. GAS TURBINE CONTROLS
• These panels monitor and control the gas turbine parameters.
• Naphta and Natural gas are used as the fuel-Gas is compressed and ignited for
turbine control
• In EDN , it develop software, 9-253 MW controls available
• Widely used in refineries
35. SYSTEM TESTING
• It checks the operation of finished goods.
• System testing receives engineering drawing , signal flow diagram and conducts
various test like continuity test , high voltage test, functional test.
• Air conditioned test area of appox 2500 m sqr.
• Capacity to line up and test upto 600 cubicales at a time across 5 test shops.
• 3 types of test
1. continuity test
2. High voltage test
3. Functional test
36. SMT Technology
• Surface Mount Technology is an area of electronic assembly used to mount
electronic components to the surface of the PCB as oppose to inserting
components through holes as with conventional assembly.
• SMT was developed to reduce manufacturing costs and also to make more
efficient use of printed circuit board (PCB) space.
• With the introduction of surface mount technology it is now possible to build
highly complex electronic circuits into smaller and smaller PCB assemblies with
good repeatability due to the higher level of automation.
38. CONCLUSION
• During the training in BHEL Electronics Division, Bangalore we got
exposure from Basic Science to Core Electronics engineering field.
• We would like to thank Inplant training in-charge Mrs . Minni Chabbra ,
DGM ( HRD) , BHEL EDN for conducting training program in a well
planned manner.
• Also we would like to thank to our all the faculties of ECE deptt for
allowing us to undergo training at BHEL EDN during the Month of
August.
• Atlast we would like to thank Mr. Dhyan Jyoti Saikia DGM (BOP), who
did his best effort to get training in BHEL EDN.
