130340109028_wanakbori visit report

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PROJECT REPORT

ON

“INDUSTRIAL VISIT AT WANAKBORI (T.P.S)”

Submitted in accordance with the INDUSTRIAL VISIT requirements for

4thsemester of the BE course in the branch of

ELECTRICAL ENGINEERING

Of

GUJARAT TECHNOLOGICAL UNIVERSITY

YEAR 2015

Submitted By:-Mihir Patel

(130340109028)



INDEX

1 Introduction

2 Purpose of Visit

3 Block diagram of power plant

4 Working Power Plant Models

5 Future

6 Equipment Details

7 Switch Yard

8 Other Details

9 Control Room

10 Conclusion



INTRODUCTION:-

W.T.P.S is the biggest power plant in GUJARAT.

Wanakbori Thermal Power Station is a coal-f ired power station in Gujarat,

India. It is located on the bank of Mahi river in Kheda district.

There are 7 Turbo Generator sets each of 210MW out of which first 3

units are equipped with Russian Turbines and other 4 Units are equipped

with German Turbines. Unit no 7 is entirely computerized and well advanced.All the above units are of BHEL make.

http://en.wikipedia.org/wiki/Coal

http://en.wikipedia.org/wiki/Gujarat

http://en.wikipedia.org/wiki/Mahi

http://en.wikipedia.org/wiki/Kheda

http://en.wikipedia.org/wiki/Kheda

http://en.wikipedia.org/wiki/Mahi

http://en.wikipedia.org/wiki/Gujarat

http://en.wikipedia.org/wiki/Coal



Purpose of Visit:-

Electrical Engineering Dept. of Narnarayan Shastri Institute of Technology

decided to arrange one day industrial visit for 4th Electrical Engineering students to

improve practical knowledge and get benefited their theoretical knowledge

In W.T.P.S, Students will get benefit regarding their theoretical

subject of conventional power engineering, Electrical Power and

Electrical & Electronic Measurement.

Block Diagram of Power Plant:-

Coal to Electricity



Energy Balance



Feed water and Steam Flow Diagram



WORKING POWER PLANT MODELS:-

Generator, Generator Transformer Turbine

Boiler,

Boiler Drum

Boiler Burners,

Dampers arrangement

Boiler Feed Pump

Air Pre-heater

ID Fan,

FD Fan,

PA Fan

Coal Mill

FW Pump

FEATURES:-

Installed Capacity: 7× 210 = 1470 MW Total Area of Project: 1571 Acres

PLF %: Between 84.64 to 91.24%

Plant Area: 626.2 ha

Ash Dump Area: 215.7 ha

Cooling Water Quantity Required: From Canal of Mahi River Reservoir 60 to 70

Cusecs / month

Cooling Tower Heights: Stage I & II - 112 Mtrs,

Stage III - 118 Mtrs.



EQUIPMENT DETAILS:-

Fuel: Bituminous Coal

Linked Coal Mines: Coal India From Bihar, Orissa, M.P., West Bengal, Andhra

Pradesh Generally 400 Wagons received per day

Record of Unloading Wagons : 650 Wagons / Day

Gross Calorific Value of Coal : 4400 Kcal/Kg

No’s of Wagon Tip plers: 05 NOS.

Coal Quantity Required :

With Design Coal : 16000 MT / Day

With Actual Coal: 18000 MT / Day

Stock Yard: Storage Capacity:02 Lacks MT

Area : 48000 m2

Oil : LSHS / LDO

Boiler Details:-

Stage I & II: Tangentially Fired, Balance Draft, Natural Circulation, Radiant RehType

Stage III : Vertically Suspended Water Tubes, Radiant Reheat Cycle, Natural

Circulation

Capacity : 700 Tones / hr. / unit

Feed Water Temp. : 241 C

Steam Pressures at Boiler Outlets: [1] SH: 137 Kg / Cm2

[2] RH: 25.8 Kg / Cm2



Turbine Details:-

Type: Three Cylinders Condensing Tandem, Compound Horizontal Reheat Type.

Nos. of Stages: Stage I: HP - 12,

IP -11,

LP - Double Flow each having 4 stages.

Stage II: HP - 25,

IP - Double Flow each having 20 stages,

LP - Double Flow each having 4 stages

Generator Details:-

Type: THW - 210 - 2B (Water & Hydrogen Cooled Turbo Generator)

Rated Capacity: 210 MW, 247 MVA

Power Factor: 0.85 Lag

Stator: 15.75 Volts, 9050 A

Rotor: 310 V DC, 2600 A

Excitation System: Static

Type of Cooling: Water, Hydrogen

Hydrogen Pressure: 3.5 Kg / Cm2



TRANSFORMER :-

Generator Transformer:

Stage I: 250 MVA, 15.75 / 220KV

Stage II: 250 MVA, 15.75/400KV

Interconnection Transformer: 500 MVA (167 x 4, 3+1 St by), 220 / 400 KV

Station Transformers: 25 MVA, 220 / 07 KV

Unit Auxiliary Transformers: 15 MVA, 15.75 / 07 KV

Unit Service Transformers: 07 KV / 433 Volts

Station Service Transformers: 02 MVA, 07 KV / 433 Volts

SWITCH YARD:-

The switchyard houses transformers, circuit breaker sand switches

for connecting and disconnecting the transformers and circuit breakers. Italso has lightning arrestors for the protection of the power station against

lighting strokes.

CONTROL ROOM:- Types of Control Panel

Fuel Gas Panel

Combustion Air Panel Primary Air & Coal Panel

Steam Panel (Boiler)

Feed Water panel

Condensate & Cooling Water Panel

Turbovisory Panel



CONCLUSION:-

After visit at the Wanakbori Thermal Power Station I can say

that one can visualize the complex study of power generation using coalas a fuel, which will help me a lot in future in many field & I can

understand the function of each component in thermal power station, their

importance, their arrangement & precautions that to be used for the safety

in the plant.

At last I will only say that I really enjoyed my visit over hereand I again want to thank all my faculties, staff of Wanakbori Thermal

Power Station to give me this great pleasure of the training.

130340109028_wanakbori visit report

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