ghtp

GHTP, LEHRA MOHABBAT STAGE I 2 x 210 MW (420MW) Commissioned in 1998 STAGE II 2 x 250 MW (500MW) Commissioned in 2008

GHTP, LEHRA MOHABBAT

TECHNICAL DETAILS

BOILERS:a) Type = Natural circulation, water tube, single drum

with radiant reheat semi outdoor unit.

b) Make = Bharat Heavy Electricals LimitedStage I Stage II

c) Capacity 690 T / hour 810 T/hour

d) Steam Pressure 155 Kg/cm2 155 Kg/cm2

e) Steam Temperature 540° C 540° C

TECHNICAL DETAILS

TURBINE:a) Type = Tandem coupling type. Three cylinder, reheat

condensing turbine with HP Bypass and LP Bypass system.

b) Make = BHEL (KRAFT WERK UNION CO.,GERMANY)Stage I Stage II

c) Rated output 210 MW 250MWd) Rated speed 3000 rpm 3000rpme) Inlet steam pressure 150 Kg/cm2 150 Kg/cm2

f) Inlet steam temperature 535° C 535° C

TECHNICAL DETAILS

Stage I Stage II

CONDENSER:Area 11500 M2 15468M2

Cooling Water Flow 26000 M3 /hr. 32000M3/hr.CONDENSATE AND FEED CYCLE PUMP:a) Condensate Pump 2 No. 2 No.

Capacity 680 M3 /hr. 795 M3 /hrb) Boiler feed Pump 3 No. 3 No.

Capacity 475 M3 /hr. 520 M3/hr.Head 2105 MWC 2235MWC

TECHNICAL DETAILS

Generator:

a) Make Bharat Heavy Electricals Limited

Stage I Stage II

b) Capacity (i) 210 MW 250MW

(ii) 247 MVA 294MVA

c) Voltage 15750 Volts 16500 Volts

d) Current 9050 Amp. 10290 Amp.

YEAR WISE GENERATION (In MUs)

YearGeneration

2004-05 3309.244

2005-06 3145.915

2006-07 3443.172

2007-08 3642.629

2008-09 5610.091

2009-10 7515.158

2010-11 6833.0870

1000

2000

3000

4000

5000

6000

7000

8000

20

04

-05

20

05

-06

20

06

-07

20

07

-08

20

08

-09

20

09

-10

20

10

-11

PLANT LOAD FACTOR AND PLANT AVAILABILITY FACTOR (%)

81

.35

85

.89

87

.71

89

.99

83

.56

89

.58

78

.98

84

.61

91

.63

96

.64

89

.94

92

.65

85

.51

87

.94

93

.58

94

.33

95

.10

94

.81

95

.99

96

.85

96

.44

96

.07

84

.79

88

.10

0

10

20

30

40

50

60

70

80

90

100

19

99

-00

20

00

-01

20

01

-02

20

02

-03

20

03

-04

20

04

-05

20

05

-06

20

06

-07

20

07

-08

20

08

-09

20

09

-10

20

10

-11

PLF

PAF

SPECIFIC FUEL CONSUMPTIONS

1.1

60

.67

0.6

30

.63

0.3

20

.59

0.2

50

.60

0.3

70

.58

0.3

30

.55

0.2

30

.59

0.8

00

.60

0.3

70

.60

0.6

10

.58

0.0

0.2

0.4

0.6

0.8

1.0

1.2

200

1-0

2

200

3-0

4

200

5-0

6

200

7-0

8

200

9-1

0

Sp. Oil cons. Sp. Coal Cons.

HEAT RATE

25

46 2

44

2

24

01

23

80

24

07 23

25

23

16

23

14

22

77

22

67

2000

2100

2200

2300

2400

2500

2600

20

01

-02

20

02

-03

20

03

-04

20

04

-05

20

05

-06

20

06

-07

20

07

-08

20

08

-09

20

09

-10

20

10

-11

THERMAL EFFICIENCY

35

.82

36

.13

35

.73

36

.99

37

.13

37

.16

37

.76

37

.94

20222426283032343638

20

03

-04

20

04

-05

20

05

-06

20

06

-07

20

07

-08

20

08

-09

20

09

-10

20

10

-11

NO. OF TRIPPINGS

52

36

15

17

20

21 1

7

36 34

52

0

10

20

30

40

50

60

20

01

-02

20

02

-03

20

03

-04

20

04

-05

20

05

-06

20

06

-07

20

07

-08

20

08

-09

20

09

-10

20

10

-11

No. of Trippings

% Make up of DM Water

2.7

5

1.8

9

1.2

5

0.8

3

0.7

6

0.6

9

0.5

9

0.7

3

1.0

5 0.7

9

0.0

0.5

1.0

1.5

2.0

2.5

3.0

2001-02

2002-03

2003-04

2004-05

2005-06

2006-07

2007-08

2008-09

2009-10

2010-11

Auxiliary Consumption (%) Net

8.9

5

8.9

0

9.1

1

8.9

5

8.9

1

8.3

2

7.8

3

7.7

4

7.8

1

7.8

3

7.7

3

7.6

7

6.5

7.0

7.5

8.0

8.5

9.0

9.5

19

99

-00

20

01

-02

20

03

-04

20

05

-06

20

07

-08

20

09

-10

HIGHLIGHTS OF PERFORMANCE OF GHTP, LEHRA MOHABAT during 2010-11

• GHTP, Lehra Mohabbat has been awarded First National Energy Conservation Award 2010 (First prize at National level)) by Hon’ble Power Minister of India on 14th December 2010.

• Lowest ever annual Auxiliary Consumption: 8.08%• Stage-II units have entered in 96th day of its longest ever continuous run from 26.12.2010 to till date (01.04.2011) without any tripping surpassing the previous record of 74.87 days from 04.02.2010 to 20.04.2010.•  Stage-I units have achieved their longest ever continuous run of 96.2 days from 03.01.2010 to 09.04.2010 without any tripping surpassing the previous record of 93.49 days from 28.08.2008 to 29.11.2008.•  Unit 3 has entered in 108th day of its longest ever continuous run after capital over haul from 14.12.2010 to till date (01.04.2011)) without any interruption.

AWARDS & INCENTIVES WON BY GHTP

GHTP, Lehra Mohabbat has been awarded First National Energy Conservation Award 2010 (First prize at National level)) by Hon’ble Power Minister of India on 14th December 2010.

Gold Shield for the Year 2003-04. Presented by Hon’ble President of India for Outstanding Performance.

Silver Shield for the Years 2000-01, 2001-02 for good Performance. Presented by Hon’ble Power Minister, Government of India.

Bronze Shield for the Year 2004-05 Presented by Hon’ble Prime Minister of India for Outstanding Performance.

Certificate of Merit for years 2001, 2002 & 2003 for reduction in Specific Secondary Fuel Oil consumption.

AWARDS & INCENTIVES WON BY GHTP

Certificate for Meritorious performance for the year 2002-03 for Meritorious Performance Awarded by Hon’ble Power Minister, Government of India.

Silver Medal for the Year 1999-2000. Meritorious Productivity Award for the year

1999-2000. Incentive Award for the calendar year 2000, for

reduction in the secondary oil consumption. Incentive Award for the calendar year 2000, for

reduction in the Auxiliary consumption.

ENVIRONMENT FRIENDLY PLANT - GHTP, LEHRA MOHABAT

ESP of 99.864 % efficiency has been provided with each unit to keep the atmosphere pollution within permissible limits. Punjab State Electricity Board is very particular about providing effective pollution control measures so that environment remains healthy.

POLLUTION CONTROL DEVICES:

Following Pollution Control devices have been provided at GHTP, Lehra Mohabbat: -

1.      Electrostatic Precipitators (ESPs) having efficiency of 99.864%. 2.      220 Mts. high RCC Multi Flue Chimneys. 3.      Dust suppression system consisting sprinkling of water to check the fugitive emissions. 4.      Dust Extraction System consisting of Cyclone Separators & Bag Fillers to arrest coal dust.

AIR POLLUTION MONITORING STATIONS:

A)   ON LINE MONITORS have been provided on the Chimneys to monitor the suspended particulate matter, Oxides of Nitrogen and Sulphur and the

results are monitored regularly.B) Four No. Ambient Air Stations have been

fixed at the following locations: -i)       GHTP Field Hostel.ii) Village Lehra Mohabat.iii) Patti Karam Chand, (Village Mehraj)iv)   Village Lehra DhurKot.

DRY ASH UTILISATION:

Huge quantity of Ash generated is a major cause of concern for GHTP management. Therefore, a target has been fixed to use 100% ash generated by the Thermal Plant.

To encourage utilization of fly ash, Ash is being supplied to M/s Gujrat Ambuja and M/s Vikram cement units and other various medium and small cement grinding units in Punjab, HP and J&K free of cost. 

MAIN CONTROL ROOM GHTP, LEHRA MOHABAT

COAL STACKING & RECLAIMIMG

WAGON TIPPLER IN COAL HANDLING PLANT

220KV SUB STATION GHTP, LEHRA MOHABAT

ASH SILO - DRY ; DRY FLY ASH COLLECTION