Presentation on Dehar power house(DPH), slapper

Presentation on Dehar power house(DPH), Slapper(Sunder Nagar), distt. mandi (HP)

1. OUTLINE OF PRESENTATIONOUTLINE OF PRESENTATION
•Introduction
•Objectives of the Training
•Profile of the Company/ Department
•Work/Project Carried Out
•Detail of The Training
•Your Training Work Experience
•Conclusion of Training


1
SIRDA INSTITUTE OF ENGINEERING AND
TECHNOLOGY
A Presentation On
Dehar Power House
1
PRESENTED TO
Department of EEE
PRESENTED BY
Jyoti
B.Tech. IV Yr.

2. INTRODUCTION
The training is undergone at Hydro Power Grid
(Dehar Power House) and learn the exciting
features related to electronics and electrical.

3. OBJECTIVES OF THE TRAINING
To understand the basic principles of:
•PLCC( Power Line Carrier
Communication)
•Excitation System
•Protection schemes
•Transformer
•Switch yard
.

4. About Dehar Power Project About Dehar Power Project
Generating UnitsGenerating Units 6Nos.6Nos.
Type of UnitsType of Units Vertical FrancisVertical Francis
Capacity per UnitCapacity per Unit 165MW165MW
Maximum HeadMaximum Head 341.4m (1120 Ft)341.4m (1120 Ft)

5. 5
Inner View Of DPH
10/11/1983
12/6/1989
2/11/1977
3/3/1978
12/6/1979
14/7/1983

6. jhTagPhdlCddrhmTPdplyhPdslg/h Feature of Dehar Power House
Name of the Powerhouse Dehar power House
Year Commissioned 1986
Total Installed Capacity (MW) Sum of IC of all
turbines
6 X 165 MW
Type of Turbines Francis(6)
Speed (rpm) 300rpm
Number of Penstocks 6
Dia. of Penstocks 3.35m dia
Full Reservoir storage capacity 3000 Acre ft.

7. xbClbuoucdnbmn DNrboRokcrOkntbsorntRiucd
xbClbuoucdnbmn DNrboRokcrOkntbsorntRiucd Components of Hydroelectric Power PlantsComponents of Hydroelectric Power Plants

RESERVOIR
CONTROL
GATE
PENSTOCK
TURBINE
GENERATOR
TRANSFORMER
SWITCH YARD

8. sly cac/DpTyfNfUhTgUcOyWfTcjDChfAc
0yT=C How a Hydroelectric Power System
Works

9. jPTDWk/dcgPYkDh Francis Turbine

10. tyScwgfWcIBcciTaPUgCctmTVgPf Top View Of Francis Turbine
SERVO MOTER
PISTON
SHAFT

11. IntroduciodOobujejvjb Guide vane servomotor
GUIDE VANES

12. IntroducdiObOtnrjt Parts Of Generator
STATOR ROTOR

13. sj dftohdTadIoiobcvjb Top View Of Generator
DC EXCITER
RUNNER
STATOR

14. kjhobdsbciOajbeob Power Transformer

15. duciIObjev For Safety
CIRCUIT BREAKER CO2 GAS CYLINDER

16. PLCC
PLCC is the method of transmitting
information using power network.

17. BASIC STRUCTURE OF PLCC

18. WAVETRAP
Offer negligible impedance to power
frequency & high impedance to carrier
frequency

19. COUPLING CAPACITOR
•It is a stack of capacitors connected in
series.
•Has highest possible surge withstand
capacity, offer lowest series resistance at
carrier frequency.

20. ADVANTAGES
•No separate wires are needed for
communication purpose.
•Both communication and power transfer
can be possible on same circuit.
•Power lines provides the shortest route
between the power station.
•Higher mechanical strength.
•Increased reliability.
•Lower attenuation over long distance.
•Implementation cost is reduced.

21. Applications
•Point to point communication.
•Load sharing.
•Power line protection.
•Fault indicator.

22. EXCITATION SYSTEM
The process of generating a magnetic field
by means of an electric current is called
excitation.

23. TYPES OF EXCITATION
•Separate Excitation
•Self Excitation

24. SWITCH YARD
The main function of
switchyard is to
transmit & distribute
the power at incoming
voltage from the
generating station and
provide facilities of
switching by the help
of switchgears.

25. Line diagram of switchyard

26. DPH Switch-Yard

27. From Dehar switchyard the following transmission lines evacuate the
power:
400KV Dehar-Panipat (single Ckt): 262 Kms
400KV Dehar-Bhiwani (single Ckt) : 312 Kms
220KV Dehar-Ganguwal-1&2 (Double Ckt) : 56 Kms
220KV Dehar-Kangoo Line (Single Ckt.) : 3 Kms
132KV Dehar-Shimla line (Single Ckt.) : 58 Kms

28. Types Of Switchyard
•AIS (Air Insulated Switchyard): This is
the most common type of switchyard;
here the switchyard is present outside
and open to the atmosphere.
•GIS (Gas Insulated Switchyard): This
type of switchyard is generally found
where the space available is very less
and they are generally located inside a
closed room with proper isolation.

29. Components OF Switchyard
•Insulator
•Surge Arrester
•Isolator
•Earth switches on Isolator
•Circuit breaker
•Current transformer
•Potential transformer

30. Surge Arrester
A surge arrester is a
device to protect
electrical equipment
from over-voltage
transients caused by
external (lightning) or
internal (switching)
events.

31. Isolater
In electrical engineering,
a disconnector,
disconnect switch or
isolator switch is used
to ensure that an
electrical circuit is
completely de-
energized for service or
maintenance.

32. Transformer
Transformer is an electrical
device whose main purpose
is to transfer power from one
electrical circuit to another
circuit, but apart from this
transformer is also a
constant frequency, constant
power and constant flux
device. Transformer works
on the principle of Faradays
Law of electromagnetic
Induction

33. Current Transformer
A current transformer (CT)
is a transformer that is
used to produce an
alternating current (AC) in
its secondary which is
proportional to the
AC current in its primary.

34. Capacitor Voltage Transformer
A capacitor voltage
transformer (CVT or
CCVT), is a
transformer used in power
systems to step down
extra high voltage signals
and provide a low voltage
signal, for metering or
operating a protective
relay.

35. Inter connecting transformer
ICT(Interconnecting
transformer) belongs to the
class of power transformers
which is used in major
substations. The function of
the interconnecting
transformer as the name
suggests to interconnect two.
systems at different voltages.

36. Potential transformer
Voltage transformers (VT),
also called potential
transformers(PT), are a
parallel connected type
of instrument transformer.
They are designed to
present negligible load to the
supply being measured and
have an
accurate voltage ratio and
phase relationship to enable
accurate secondary
connected metering.

37. 37
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