Kota Super Thermal Power Station (K.S.T.P.S), Kota 2016-17

Kota Super Thermal Power Station (K.S.T.P.S), Kota 2016-17Presentation on kstpsBy Avdhesh kumar meena B.Tech 4th Year Electrical BranchNIET Alwar Rajasthan avdheshkumarmeena10@gmail.com

KSTPS Looking at space

Looking at surface

Picture by satelite 3

INTRODUCTIONKotaSuperThermal Power Stationis the first coal based Electricity Generating station in rajasthan. At present total installed capacity of KSTPS is 1240 MW. KSTPS has received Meritories productivity awards during 1984, 1987, 1989, 1981 and every year since 1992 onwards. finally stage fifth Unit #7 costed approximately Rs. 961 Crores

K.S.T.P.S. IS DESISIGNED IN FOLLOWING STAGES:-

STAGE I -2x110 MW STAGE II -2X210 MW STAGE III - 1X210 MW STAGE IV -1X195 MW STAGE V -1X195MW

StageUnit numberInstalled capacity (MW)Date of commissioningStatusStage I1110January 1983RunningStage I2110July, 1983RunningStage II3210September 1988RunningStage II4210May, 1989RunningStage III5210March 1994RunningStage IV6195July, 2003RunningStage V7195May 2009Running

Installed capacity

WATER:-

The source of water for power station is reservoir formed by Kota Barrage on the Chambal River.

Pictured Cambal Dam

General Layout & Basic Idea The Kota Thermal Power Station is divided into four main circuits : 1.Fuel and Ash Circuit. 2 .Air and Gas Circuit. 3.Feed water and Steam Circuit. 4.Cooling Water Circuit.

A control system of station basically works on Rankin Cycle.

(a).COAL HANDLING PLANT

It can be called the heart of thermal power plant because it provided the fuel for combustion in boiler. 1.Northern Coal Fields Limited(NCL), 2.South Eastern Coal Fields Limited(SECL)

Coal India limited is supply coal from its coal mines of coal producing subsidiaries SECL & NCL to KSTPS through railway wagons.

Everyday 6 to 7 trains of coal are unloaded at KSTPS.

The approximate per day consumption at KSTPS is about 18000 metric tones.

The whole transportation of coal is through conveyor belt operated by 3- Induction motor. It costs approximate 4.5 crores of rupees per day including transportation expenses.

The coal handling plant can broadly be divided into thre sections. 1) Wagon Unloading system. 2) Crushing System. 3) Conveying System.

Wagon Unloading system

(b) ASH HANDLING PLANT

This plant can be divided into 3 sub plants as follows:-

1)Fuel and Ash Plant.

2)Air and Gas Plant.

3)Ash Disposal and & Dust Collection Plant

USES ASH:

1.Manufacturing of building materials. 2.Making of concrete. 3.Manufacturing of pozzuolana cement. 4. Road construction

(C). ELECTRO-STATIC PRECIPITATOR

As far as air pollution is concerned now a days various flue gases filter are there in service. These filters are E.S.P. Fabric filter high efficiency cyclone separations and sitelling room.

where the particle size vary from 0.75 microns to 100 micron use gradually use E.S.P. to purify the flue gases due to its higher efficiency & low running cost etc.

6.TURBO GENERATOR THEORY :-

TURBO GENERATOR manufactured by B.H.E.L.

The generator stator is a tight construction, supporting & enclosing the stator windings, core and hydrogen coolers.

The generator is driven by directly coupled steam turbine at a speed of 3000 r. p. m. the Generator is designed for continuous operation at the rated output.

The source of excitation of rotor windings is thyristor controlled D.C. supply.

TURBO GENERATOR PICTURE

.TECHNICAL DATA OF TURBINES :-The main technical data of 110 MW turbine is given below:-Rated output. : 110 MW.Economic output : 95 MW.Rated speed. : 3000 rpm Direction of rotation viewing from : ClockwiseRated steam pressure before : 130 atmstop valve.Maximum steam pressure before : 146 atmstop valve.Rated temperature of steam before : 535oCthe stop valve.Maximum temperature of steam before: 545oCthe stop valve.Rated pressure of steam : 31.6 atmMP Casing.Rated pressure of steam before : 35 atm

TECHNICAL DATA:-

Generator (110 MW):- Type : t.g.p. 2,34,602 Continuous apparent power : 1,37,500 KVA. Active power : 7,10,000 KW. Power factor : 0.8 (lagging). Rated voltage : 1000 + 5% rated. Current : 7,220 A Critical speed : 3000 r. p. m. at frequency : 50 Hz. Phase connection : double star. No. of terminals : 6. Main diameter of slip rings : 420 mm. Voltage regulation : 39%. Reactance : Infor

TRANSFORMER

Transformer is a static device which is used to change the voltage level keeping the power and frequency same. In the plant transformer is one of the most important equipment. It is located in between the main plant and the switchyard.

GENERATOR TRANSFORMER (GT A):-It steps up the voltage from 16.5 KV to 220 KV. It connects the plant with the 220 KV switchyard.

GENERATOR TRANSFORMER (GT B):-It steps up the voltage from 16.5 KV to 400 KV. It connects the plant with the 400 KV switchyard.

STATION TRANSFORMER (ST):-It is a step down transformer with 50 MVA capacities. It is used to step down 220 KV from the grid to 6.9 KV.

AUXILIARY TRANSFORMER (UAT):-It is a step down transformer with 20 MVA capacities. It steps down the voltage from 16.5 KV to 6.9 KV. STATION SERVICE TRANSFORMER (SST):-It is a step down transformer with 2MVA capacity. It is used to step down from 6.6 KV to 0.4333 KV. UNIT SERVICE TRANSFORMER (UST):-It is a step down transformer with 2 MVA capacity. It is used to step down from 6.6 kV to 0.4333 KV.

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