Arar-4.16kV Cable Sizing Calc 1.11.2004

TCE CONSULTING ENGINEERS LIMITED )0*21007+)C(+ 0001)+0%

SHEET i OF i 4.16 kV MV CABLE SIZING REPORT

SAUDI ELECTRICITY COMPANY COMPANY EASTERN OPERATING OPERATING AREA Dammam, Saudi Arabia GENERATION EXPANSION OF ARAR POWER PLANT (CONTRACT NO : 3!"#$%&

DESIGN 'ASIS FOR !#) *+ M+ CA'LE SIING

DOCUMENT NO : 3!"#$-3CL-#3-P'

-ENE!$TION E$NSION OF $!$! O/E! ($NT CONT!$CT NO : )0*2100700

$!$! *.16" C$%(E SIINSIIN- !EO!T

#OCMENT NO. )0*21007+)C(+0001)+0%.

CONTENTS

SECTION

DESCRIPTION

1.0

SCOE

2.0

ST$N#$!#S 8 !EFE!ENCES

).0

-ENE!$( $!$METE!S

*.0

SIIN- C!ITE!I$

5.0

CONC(SION

6.0

C$%(E SIIN- !EO!T SMM$!&

-ENE!$TION E$NSION OF $!$! O/E! ($NT CONT!$CT NO : )0*2100700

-ENE!$TION E$NSION OF $!$! O/E! ($NT CONT!$CT NO : )0*2100700 $!$! *.16 " C$%(E SIIN- !EO!T 1.$

#OCMENT

SCOPE Scolte the *.16" C?le sies).66" -r4e =or t CASE-1 *.16 " C?le sie ).66" -r4e =roA *.16" Sttio3 Tr3s=orAer T *01 or S@itch;er i3coAi3; ?reers. CASE-' *.16 " C?le sie ).66" -r4e =r oA *.16" Sttio3 S@itch;er to Sttio3 CASE-% *.16 " C?le sie ).66" -r4e =r oA *.16" Sttio3 S@itch;er to Strti3;

'.$

STANDARDS & REFERENCES

2.1

IEC 609,6+short circ>it sii3;.

2.2

IEC 60)6*+5+52) Selectio3 34 erectio3 o= electricl e>irre3t CrrDi

2.)

SES++10*.0) + C?le Selectio3 +E3;i3eeri3; st34r4s.

2.*

'eD O3e (i3e #i;rA =or $rr l3t #r@i3; No: '$667*,1 !E"+0#

-ENE!$TION E$NSION OF $!$! O/E! ($NT CONT!$CT NO : )0*2100700 $!$! *.16 " C$%(E SIIN- !EO!T

#OCMENT 1*2

FOR CASE-1

S



S



25000 x ) 1*2 )0*.9)0

SAA

Mi3iA>A 3erest c?le sie is *00 SAA !e=er S$#I C$%(E COM$N& Ho@ever$s   FOR CASE-' S



S



25000 x 1 1*2 176.056

SAA

Mi3iA>A 3erest c?le sie 1,5 SAA !e=er S$#I C$%(E COM$N& Ho@ever s x Tr3s=orAers T201or T202 is selecte4 s 1C x 6)0 S

-ENE!$TION E$NSION OF $!$! O/E! ($NT CONT!$CT NO : )0*2100700 $!$! *.16 " C$%(E SIIN- !EO!T . Sttio3 $>x Tr3s=orAer T201or T202

#OCMENT 



.

A
) x *.16 "

$ccor4i3; to S$#I C$%(E COM$N& Ctlo;>es =or Me4i>A "olt;e C?le c>rre3t crrDi3; c<cities re FOR CASE-1 & 285 ' L/0 C+0;//+08
/0 A,>8 )+* 1C 7 6%$

(i4 4irectlD i3 ;ro>34 or 4>ct @Ds -ro>34 teA<.i3 )@ )+*,/+0 )0 #e;C 34 TherAl resistivitD o= soil  1.2' A/ 4e
665

(i4 4irectlD i3 ;ro>34 or 4>ct @Ds -ro>34 teA<.i3 *5)+/@ )+*,/+0 )0 #e;C 34 TherAl resistivitD o= soil  1.2' A/ 4e
720

L/0 C+0;//+08
/0 A,>8 )+* 1C 7 6%$

(i4 i3 $ir trDi3 )@ )+*,/+0 $A?ie3t TeAre *0 #e; C

9,0

(i4 i3 $ir TrD i3 *5)+/@ )+*,/+0 $A?ie3t TeAre *0 #e; C

960

FOR CASE-1 & CASE-'


#OCMENT

(Di3; c?le i3 *5)+/@ )+*,/+0# 2**50



720 x '4 

*50.*6

M7/,, 2**50 2**/0 2>2/ +) 1C 7 6%$S?,, 29@5 L/; /0 A/*
 

9,0 x '  960 x ' 

750.09 7)*.7,

FOR CASE-1 FroA Sttio3 Tr3s=orAer to Stio3 S@itch;er i3coAi3; ?ree $s ltio3 )+Nos o= 1C x 6)0 SAAhse c?le c3 crrD the o= 10*0.96$A34er ll site co34itio3s 350 29@5 @/; /0 ;2 8. $s ltio3 2+Nos o= 1C x 6)0 SAAhse c?le c3 crrD the o= 10*0.96$A34er ll site co34itio3s 350 29@5 @/; /0 A/*x Tr3s=orAer $lso s ltio31C x 6)0 SAAhse c?le c3 crrD the re>ir o= *16.)7 $A34er ll site co34itio3s.

CASE-% )*+, 4.16kV S/+0 S/235* + S*/0 M++* GT(" +* GT( The totl lo4 c>rre3t to ?e crrie4 ?D *.16" c?le to strti3; Aotors

596.,/ 

)x*.16x0.,5x0.95

 102.575 $A

#OCMENT

#erti3; =ctor ' =or )C x1,5 SAA C?le i3stlle4 i3 =ree ir: + A?ie3t $ir TeAre 50 #e;C '5 + (Di3; o3 C?le TrDi3 to>chi3; =orA '6 ccor4i3; to: + i3stlltio3 sDsteA i3 three its + No o= trDs  ) #erti3; Fctor ' '

 

 

0.,9 0.7

'5 x '6 0.62)0

$ccor4i3; to the ?ove the AxiA>A c>rre3t crrDi3; c<citD o= the selecte4 s =ollo@s M7/,, 2**50 2**/0 2>2/ +) %C 7 1 8?,, C9@5 L/; /0 D2 ;5*/0 )2+*= (Di3; c?le i3 4>ct# 2**50



),0 x '4 

279.,*

M7/,, 2**50 2**/0 2>2/ +) %C 7 1 S?,, C9@5 L/; /0 A/*


*10 x ' 

255.*)

FroA *.16" Sttio3 S@itch;er to Strti3; Aotor $s ltio3)C x 1,5 SAA c?le sie c3 crrD the re>ire4 lo


D*/0 8*/0  ∆"

#OCMENT

) I11(1 J I22(2x1003

/here 3



"olt;e i3 "



*160

I1 is the c>rre3t o= Sttio3 Tr3s=orAer Seco34rD si4e c?le

I1  I2 J %se lo4 o3 *.16" S/

I2 is the c>rre3t o= Sttio3 S/-! to Motor C?le 4>ri3; strti3; co34itio3.

I2  6 tiAes the Aotor =>ll lo4 c>r

%se (o4 o3 *.16" S/ -!

 19*1.5"$

%se (o4 i3 $A
 269.*6

There=ore 615.*5 J 296.*6

I1 

,,*.91 $A
I2 

615.*5 $A
!e=er Cl.N No:)0*21 Sttio3 Tr

1 is IA
1  !1COSΦ1 J 1SINΦ1

2 is IA
2  !2COSΦ2 J 2SINΦ2


#OCMENT

o@er Fctor =or !>33i3; COSΦ  SINΦ 

0.,5 0.5)

I1 

)72.0)5

I2 

102.575

1 

0.09

2 

0.16

The "olt;e 4ro< 4>ri3; r>33i3; co34itio3 o= *.16" Motor ∆"

.$



0.212  "olts

CONCLUSION CASE-1 FroA Sttio3 Tr3s=orAers T *01 or T *02 to Sttio3 s@itch;er i3coAi3; ?re %6 kV G*;5# LPE /08@5;# C+>>5* C+0;2+* +) 8/5 %N+8-1C 7 6%$ S U0*,+*5; c?le hs ?ee3 selecte4 ?se4 o3 the ?ove clc>ltio3s @he3 FroA Sttio3 Tr3s=orAers T *01 or T *02 to Sttio3 s@itch;er i3coAi3; ?re


#OCMENT

-ENE!$TION E$NSION OF $!$! O/E! ($NT CONT!$CT NO : )0*2100700 O. )0*21007+)C(+0001)+0%

e =ollo@i3; ) cses.

*02 to *.16" Sttio3

>x Tr3s=orAer T201 or T202.

Motors -TB7 or -TB,

; c<cities i3 @iri3; sDsteA.


?le =roA Sttio3 E 3rAo>re4.

?le =roA Sttio3 AAhse C> (E


SDsteAthe 3oAi3l

-ENE!$TION E$NSION OF $!$! O/E! ($NT CONT!$CT NO : )0*2100700 O. )0*21007+)C(+0001)+0% $A
$Aire4 lo4 c>rre3t

e>ire4 lo4 c>rre3t

e4 lo4 c>rre3t


s
)C x 1,5 SAA c?le

8<)5* 2+08/;5*/0

$A
$A

c>rre3t


!

re3t 6x102.575  615.*5 $

o.5.2.2 <;e 6 o= , o= #oc 07+)C(+00006+0$ ))*.16" 3s=orAer sii3; !e

ers ,,P385# c?le li4 i3 4>ct @Ds. ers


GENERATION EPANSION OF ARAR POER PLANT
$!$! *.16" C$%(E SIIN- !EO!T

SL NO.

FEEDER DESCRIPTION

#OCMENT NO. )0*21007+)C(+0001)+0%

LOAD

VOLTAGE

"$  /

"O(TS

FULL LOAD CURRENT CARRYING CAPACITY OF CABLE
$MS

SK.MM IN #CT %$N'S

1

CASE-1 ST$TION T!$NSFO!ME! T*01 or T*02 TO ST$TION S/ITCH-E$! INCOMIN- %!E$'E!S (o4 i3 "$

7500

*160

10*0.9)

2

CASE-' ST$TION S/ITCH-E$! TO (" ST$TION $ T!$NSFO!ME! T201or T202 (o4 i3 "$

)000

*160

*16.)7

)

CASE-% ST$TION S/ITCH-E$! TO ST$!TIN- MOTO!S -TB7 or -TB, (o4 i3 /

596.,

*160

102.5,

275167996.xls

IN $I!

DERATING FACTOR

CURRENT CARRYING CAPACITY OF CABLE AFTER DERATING FACTOR
C$%(E ($I# IN $I!C$%(E C$%(E ($I# IN #CT C$%(E ($I# IN $I!+ C$%(E ($I# IN #CT C$%(E ($I# IN $I!C$%(E %$N'S C$%(E T!$&S T!$& %$N'S T!$& IN %OTH IN F($TT!EFOI( %OTH F($TT!EFOI( IN F($T IN T!EFOI( IN F($T IN T!EFOI( IN F($T IN T!EFOI( IN F($T IN T!EFOI( FO!M$TION FO!M$TION FO!M$TION FO!M$TION FO!M$TION FO!M$TION FO!M$TION FO!M$TION FO!M$TION FO!M$TION C$%(E ($I# IN #CT %$N'S

LENGTH OF CABLE

 VOLTAGE DROP

'M



) !NS OF 2 !NS OF 1C  1C  6)0 sAA  6)0 sAA 
665.00

720.00

9,0.00

960.00

0.6256

0.765*

*16.02

*50.*)

750.09

7)*.7,

0.05

0.109

I !N OF 1C  6)0 sAA 
665.00

720.00

9,0.00

960.00

0.6256

0.765*

*16.02

*50.*)

750.09

7)*.7,

0.075

0.1)1

0.7)6*

0.62)0

0.2

=or strti3;  0.,5 =or r>33i3;  0.21

I !N OF 1C  6)0 sAA 
1 !N OF 1 !N OF )C  1,5 )C  1,5

),0.00

*10.00

279.,)

255.*)

SHEET 20 OF 20

Arar-4.16kV Cable Sizing Calc 1.11.2004

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