heat calculation

8/9/2019 Heat Calculation

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GACL- DAHEJ

CAPTIVE CO-GENERATION POWER PLANT

CORRECTED GAS TURBINES OUTPUT CALCULATION ON SITE CONDITION

Sr.No Description Reference

1 At ISO condition of 15 deg C

38.34

2 32.21

3 Decrease in output due to decrease in NCV 31.2 !"# $%&D ' (# ID No. 4)

4 3.*1 Actua+ site conditions of (rid

5 3.25

Correcte

O!tp!t in "W

(, docu-ent re+ated &( 541 / 0 Cart No.4))$A542 ' Re C

At A-ient te-p of 3) Deg.Cent at DaeSI#,.

(, docu-ent re+ated &( 541 / 0 Cart No.4))$A543 ' Re A

Decreasein grid freuenc6 fro- 5 $7 to 4).5$7

Decrease in output due to co-pressor fou+ing "Intae air fi+ter +osses 1.59

(, docu-ent re+ated &( 541 / 0 Cart No.4))$A542 ' Re C


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GACL- DAHEJ

&O:,R SA!, #O (,/ ;NI# COS# CA!C;!A#ION

P#rtic!$#rs Unit N#pt%# N.G#s

Ag.(eneration %: 8*.5 8*.5

(uranteed NCV of =g )*4

=ca+>S-3 858*.1)*

Sp.= .2

S-3>= .24

Actua+ NCV of =g 13

=ca+>S-3 83

Sp.= .18)

S-3>= .255

= .)8

Incre-enta+ = .111

S-3>= .15*

Cost of =g 11.35

Rs>S-3 8.58

Incre-enta+ = 1 25* 1 344


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GACL- DAHEJ


(;ARAN#,, $,A# RA#, CA!C;!A#ION

;NI# BASED ON H"BD SUPPLIED B OE" "/S.L0T1 C#$c!$#tion +or 2& "W C#$

1 Sec 2.45 2.45 2.45 1.81 1.81 1.81 1.)2 1.2

* Sp.= .1)44 .1))) .214 &.6&2'

8 Sp.=. .225 .23 .24 .23*

) !$V Of =g 12 12 12 1145 1145 1145 23(& 77(84

1 $r )8118*48 )8118*48 )8118*48 ))15315 ))15315 ))15315 )1)41)3 )1484** )

11 #ota+ $r 1)23*4) 1)23*4) 1)23*4) 1)833 1)833 1)833 183883385 182)3)55 18

12 &rocess Stea- =g *2.24 *2.24 *2.24 *2.24 *2.24 *2.24 *2.24 *2.24

15 $eat in &rocess S#ea- =ca+>$r *3)44 1*54544 43344 *3)44 1*54544 43344 *3)44 *3)44 *

1 %ae up :ater =g 31 31 31 31 31 31 31 31

1) $eat in %ae up :ater. =ca+>$r 45 )1 2** 45 )1 2** 45 45

6& He#t R#te G!#r#ntee1 9c#$/9Hr 7'38.&7 7':&.67 7366.2' 7'8(.74 7'7&.(' 73&6.32

67 He#t R#te C#$c!$#te1 9c#$/9Hr 7288 7248

Sp. #ota+ &oer (eneration &er $our

Sp. Densit6 of N.gas@ 3 ?Conertion fro- Sec to $r.@ 2 ?Nos. of (#@ > #ota+ &oer (eneration &er $our

W%ere Densit; o+ N.G#s #t 6& e5.Centi5r#e is consiere < &.3(2 95/":

NCV o+ N#pt%# =e+ore +!e$ s*itc% 23(& 9c#$/95.

13.*3 ar ' 24OC

C

NoteEF Sp.>!e$ Cons!,ption on N#pt%# 95/9*%1

Sp.>!e$ Cons!,ption on N.G#s s,:/9*%1


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Ca+cu+ated Air densit6 at 2 deg.CentEF 1.2)3 2*3 > ? 2*3G2@ B 1.2

Sp.(rait6 of N.(as at S#& ?15.5 Deg.Cent@ EF.2

Ca+cu+ated densit6 of N.(as at 2 deg. Cent.EF .2 1.2 B .*4)

GUIDELINE >OR HEAT RATE CALCULATION ?

CO%/IN,D CHC!, $,A# RA#, B ? #O#A! (ROSS &O:,R O;#&;#


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C#$c!$#tion +or 36 "W C#$c!$#tion +or 8: "W

N#pt%# N.5#s N#pt%# N.5#s

2 2 2 2

242 242 211*5 211*5

23 23 25 25

36&&& 36&&& 8:&&& 8:&&&

2.23* 1.8)1 2.45 1.*28

.* .5) .* .5)

1.54 1.3 1.35 1.14

.252 .24

23(& 77(84 23(& 77(84

*8452) *8454 *1*4588 *1333358

15)58 15)128 1434)1** 142*15

11 11 11 11

*3.24 *4.24 *5.24 *.24

*454 *414 *42*4 *4384

15. 15. 15. 15.

31 31 31 3131 31 31 31

45 45 45 45

6&': 6&37 6788 674(


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heat calculation

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