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WEST BENGAL STATE ELECTRICITY DISTRIBUTION COMPANY LIMITED.
TECHNICAL SPECIFICATION FOR 11/0.433KV1!KVA TO !30 KVA DISTRIBUTION
TRANSFORMERS
PART"A
#!30KVA $ 31% KVA OIL TYPE DISTRIBUTION TRANSFORMERS&
1.
SCOPE '
T()* *+,-)-) -,* 5,*)6 89-8, ,*)6 5 *8++:; 9 11/0.41%KV
!30KVA O85 ;+, )8 =), A) ,+,8, #C& ' %0
3. M>)8 5):; ,6, =), #C& ' 40
4. M))8 A=), ) ,+,8, #C& ' #"&% D,6 C
%. R,:), (8)5); ' 100
!. P::8) :,,: ' H,):; +::8,5.
7. M>)8 W)5 P,**8, ' 2%0 ?6/*..
. A8: ,6, ) 9:: ' 3000
. A,6, N. 9 (85, * 5; +, 8' 100
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10. N8=, 9 (85, * 5; +, 8 ' 100
%.
STANDARDS '
01
. T*9,* -,,5 =; ()* *+,-)-) *(:: 8:,** (,
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CONNECTIONS '
T(, +); #HV& 8, JA
10.
TERMINAL ARRANGEMENT '
)& 31% KVA O85 T;+, T*9,*" B, 85 +-,:) =8*()6* % *. LPE -=:, 5 9 LT *)5, 9 31% KVA T." 1.1 KV
65,
2 > 3C 300 S. LPE/PVC -=:,.
)))& !30 KVA O85 T;+, T*9,* =8 % *.
LPE -=:, $ F LT *)5, 9 !30KVA T." 1.1 KV 65, 2>1- !30 S. LPE -=:,
+, +(*, $ 1>1- !30 S. LPE -=:, 9 LT ,8: -,-). OR 3 > 3C300 S. LPE -=:, ; =, 8*,5.
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A5
)& T(, =, ,): 6,, ; -(6, 58)6 5,):,5 ,6),,)6
):);
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HV :,5 ,)) (, *85 *(8:5 =, 5, ,)(, =; ,(5 9 =)6
(, 9,, ,5 9 (, :,5 ,5 (, =8*()6 *85
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G*?, 8*,5 =,
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14.
CORE '
1. T
(, 6,)- -, *(:: =, =8): 9 :< :** S):)- *,,: -:5 ::,5 6) ),,5
*,,:. C, *(:: =, 9 *-? ;+,.
2.
T(, ,):* 8*,5 9 )*8:)6 (, *(,,* *(:: (, ()6( ),":))
,*)*-, 5 8* )()=))6 ++,;. I *(:: =, 5,,),5 =; 6,)6 9
(,* +,)6 ,+,8, 5 -:+,5 +,**8,. 8:); 9 -, *(8:5
5)*"),6, 58, ,-()-: 5,* 9 -, )=) (, (, :,*
,5,-; =*= )*8, ,-
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IS ' !4 " 103 ,(5 9 ,* *,,: *(,,.
. S
8--,**98: =)55,
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S( 58) P)::; 9 6,)- =:-, 5
*;,)-::; 9 ,:,-)-: =:-,. L)=,: 58-* *(:: =, +)5,5 9 ):
-)-8:) 5 :
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T(, *9, *(:: (, *,+, H.V. 5 L.V.
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L.V. -;:)5, +,9,=:; =, 5, 9 -86,5 )*8:)6 +,** =5. O): 58-*
,,5 =, +)5,5 =,
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T(, =8*()6* *(:: -9 IS' 2000"1!#:,*&' B8*()6 9 A:,)6
:6, =, 1000 V:* 5 IS 7421"174#:,*& 9 =8*()6 8+ 5
)-:85)6 :6, 8+ 1000 :*.
T(, 5),*)* 9 =8*()6* 9 (, 9::
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40
"
0.433/.41%
"
4%
20
2%%"
140 "
11
%
130"
0 "
!/% R,9, F)6"2! ) IS' 3347#P"III/S,-"2&"12
20.
COOLING ARRANGEMENT'
1. T(, *9, *(:: =, *8)=:, 9 :5)6 9 100 -)88* >)8)6
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1. T(, *89-, =, +),5 *(:: =, -+:,,:; -:,,5 $ 5, 9,, 9 ::
8* *-:, 9,)6 5(,)6 , 6,*,. T(, -:,)6 $ 5,"8*)6 -
=, 5, =; *5 =:*)6 (, ++,5 ,(5.
2. A:: *,,: *89-, ) --
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A:: ,: +* 9 (, *9, -,+) 9 (, )5))58: -,
:))* -, =:* 5 **-),5 -:+)6 +:,* *(:: =, )),5
*, >,5 +,): 5 -, *(8:5 =, ,(,5
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A,>8,"A
TRANSFORMER LOSS FIGURES '
DTR KVA R)6
V:6, R)
M>.::. ::. TOTAL LOSS#NLLLL& 100 :5)6 7%C
#I W*&
I+,5-, # 10 )) * +, ISS&
31% KVA
11/0.433 KV
00
3!00
3!30
%
!30 KVA
11/0.41% KV
1200
!%00
!!40
%
M>. L)) 9 N :5 :** 5 L5 L** 68,* * ,),5 =, ,
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SCOPE'"
01.
T()* *+,-)-) -,* 5,*)6 89-8, **,=:; ,*)6
89-8,X* )8 =), A) ,+,8, #C& ' %0
3. M>)8 5):; ,6, =), #C& ' 40
4. M))8 A=), ) ,+,8, #C& ' #"&% D,6 C
%. R,:), (8)5); ' 100
!. P::8) :,,: ' H,):; +::8,5.
7. M>)8 W)5 P,**8, ' 2%0 ?6/*..
. A8: ,6, ) 9:: ' 3000
. A,6, N. 9 (85, * 5; +, 8' 100
10. N8=, 9 (85, * 5; +, 8 ' 100
3.01
APPLICATION '
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T(, ,8)+, *(:: =, I*::,5 58=:, +:,/F8 +:, *8-8, +:)(. I
85 :-) ;
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7.
C,-) LV
S # N,8: =86( 8&
7=.
LV N,8: E()6
T(, N,8: +) 9 (, *,-5; #LV&
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)& T+ ): ,+ )*, ,*8,5 =; (,,, " 3%C
14.
))& W)5)6 ,+. )*, ,*8,5 =; ,*)*-, ,(5 " 40 C
M>)8 T,+,8, R)*, , =), 9 40C
B)5* ,,)6 (, =, :))* 9 ,+,8, )*,
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#2&
R)6 ) KVA
#3&
M> L**,* %0 L5)6
#4&
M> T: L** 100 L5)6
#%&
1.
11000/433V
1!
1%0 W
40 W*
2.
11000/433V
2%
210W
!% W*
3.
11000/433V
!3
30W
12%0 W*
4.
11000/433V
100
%20W
100 W*
%.
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11000/433V
1!0
770W
2200 . L)) 9 :**,* %0 $100 :5)6 * ,),5 =, , % *. LPE -=:, 5 9 LT *)5, 9 1!0 KVA T."1.1 KV
65, 1 > 3C 300 S. LPE/PVC -=:,.
!.01
INSULATION LEVEL
T(, T*9, *(:: =, -+=:,
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H)6(,* S;*, :6,
R,5 L)6()6 )+8:*, -,,5 1.! T,*: : :6, $ 1. T,*: 85, , :6,
-5)).)., 12.% , :6,
7.03
T(, **,=:,5 -, *(:: =, *,-8,:; -:+,5
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7.0%
T(, *8++)6 9,
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.02
T(,
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T(, -:,-, =,
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HV :,5 ,)) (, *85 *(8:5 =, 5, ,)(, =; ,(5 9 =)6
(, 9,, ,5 9 (, :,5 ,5 (, =8*()6 *85
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GI. N8* $ B:* 5
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:< 5
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T(, 89-8,* *(8:5 *8=) +,**8, ,* -,)-, 9 (, *9,*
?* :,* 9 ,-( =-( ,)(, -58-,5 =; (, =; (,) 9=)-* 9
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12.04
A )6 +:, =,)6 (, 5 *+,-),5 ) (, ,:, -:8*,* 9 IS'202!
)-:85)6 -,-) 5)6 V,- G8+ V:6,* LV $ HVLV $ HV -8,
P,-,6, I+,5-, :** 68, ?,* , *,): . , =, +)5,5
:6
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))& T.
1!.00
1!.01
I*8:)6 O):
T(, *9, *(:: =, *8++:),5 ::,5
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O): *(:: =, :,,5 5 ,*,5 9 BDV 5 )*8, -, =,9, ::)6. T(,
O): *(:: =, ::,5 85, V-88.
1!.04
T(, 5,*)6 5 :: ,):* 5 +-,**,* 8*,5 ) (, 89-8, 9 (,
*9, *(:: =, *8-( * ,58-, ))8 (, )*? 9 (, 5,,:+,
9 -)5); ) (, ):.
17.00
I,: E()6 A6,,'"
17.01
A:: ,: +* 9 (, *9, -,+) 9 (, )5))58: -,
:)) -, =:* 5 **-),5 -:+)6 +:,* *(:: =, )),5
*, >,5 +,): $ -, *(8:5 =, ,(,5
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)& C(-,)*)- ,8),, 9 ): *+:, )8 :8, 9 8=:-, -8, ) *9,
*(:: ,>-,,5 2 9 98:: :5 -8, * +, CBIP 9 *9,.
?& M6,))6 -8, ,5 :6, $ 9,8,-; $ 112.% 9 ,5 :6, $
9,8,-; *(8:5 ,>-,,5 (, :)) * +, IS'110 #P"I& 1 -:.22.! 8+
100 KVA 5 6,))6 -8, ,5 :6, $ 9,8,-; $ 112.% 9
,5 :6, ) ,*+,- 9 1!0 KVA DTR *(8:5 ,>-,,5 2.2% $ 4.%
,*+,-),:; 9 98:: :5 -8,.
:& M6,))6 -8, ,5 :6, $ 9,8,-; 5 110 $ 112.% 9 ,5
:6, ).. 31%KVA $ !30 KVA *(:: =, * +, 5,-:,5 :8, ) GTP.
1.02
T;+, T,**'"
I 55)) (, 8), ,** (, 9::
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A:: *9,* *(:: =, -+=:, 9
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1.12
H
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T(, *9, ; =, *6, )*+,-,5 (, 9-; 9 (, 89-8,. T(,
89-8, *(:: )), ) 5-, )
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T(, 9::
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;+, 5
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=, ++:),5 (, *+,-)- :. N -(6,* ) 68,,5 68,*
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A6) (, 9:: %.%
=& L,,* *(:: =, 5)*)-:; ,6,5 =; -:5 P8-(
-& P:, *), *(:: =, ) 12% 170 5 *(:: =, ,:,-)-: 8 W,:5,5
=, (86(8 )* +,),,
5& M,): 9 P:, *(:: =, M):5 S,,: 5 :,** ( 3 ()-?.
,& P:, *(:: =,
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I,
1!KVA
2% KVA
!3 KVA
100KVA
1!0KVA
31%KVA
!30KVA
1.
T,): P:, $ T,): M?)6 P:,. N*.
1
1
1
1
1
1
1
2.
S,,: 5)"-"*+:)6 :, P"3/4 (,5 #* +, REC *+,-& J N*.
1
1
1
1
1
1
1
3.
E()6 T,): J*.
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2
2
2
2
2
2
2
4.
L)9)6 L86* J *.
2
2
2
2
2
2
2
%.
P:9 8)6 6,,
;,*
;,*
;,*
;,*
;,*
;,*
;,*
S):)-6,: ;+, =,(,
1
1
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1
1
1
1
1
7.
H.V. =8*()6*
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"
"
1
1
10.
F):, V:, #
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1
1 # )*+,-) -,&
1 # )*+,-) -,&
13.
C*,
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,5
1.
E>+:*) , +:*) ,
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22.
C=:, ,5 => # =, +)5,5 9 )5 ;+, T. $1!0KVA T. )9 (,
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B8--(: ,:; .
"
"
"
"
"
"
1
2.
A8>):); S8++:;
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30V DC10 5 230VAC 10 1"+(*, 4"
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''
2
C8; 9 )6)
''
3
A++:)-=:, *55
''
4
M>)8 -)88* )6 ) KVA
''
%
N :5 :6, ) #I KV/KV&
''
!
R,5 9,8,-; #) H&
''
7
N8=, 9 +(*,*
''
T;+, 9 C:)6
''
C,-)*
#)& H.V. W)5)6
#))& L.V. W)5)6
10
V,- S;=:
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11
#)& T,+,8, :* 85, : +,)6 -5)) =, =),
,+,8,
''
#& T+ ): #) D,6.C.&
''
#=& W)5)6 #) D,6.C&
''
#))& M>)8 ( *+ ,+,8, 9
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1!
M>.L5 :** ) W 7% D,6 C. ,5 8+8 5 9,8,-;
''
23/27
S:.N.
PARTICULARS
GTP TO BE FILLED BY THE BIDDER FOR EACH OFFERED RATING
17&
T: L** #)-:85)6 NLL $ FLL& 100 :5)6 $ ,5 -5))
17=&
T: L** #)-:85)6 NLL $ FLL& %0 :5)6 $ ,5 -5))
1
P,-,6, R,68:) 98:: :5 7% D,6.C.
''
#& A 8); +
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A 98:: :5
''
#)& A 8); +
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W)(*5 ),
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#& A ,5 :6, %0 H #) :),/* -&
''
#=& A 112.% ,5 :6, %0 H #) :),/* -&
#)&
T()-?,** 9 S+)6* #) &
''
#&
T;+, 9 I*8:) =,), , 9 C** S,-) 9 C, 5 ;?, #) *.&
''
#))&
M,): 9 C, -:+)6 +:,
''
#)))&
T()-?,** 9 C, -:+)6 +:, #) &
''
#)>&
I*8:) 9 C, -:+)6 +:,
''
#>&
D,*-)=, :-)/M,(5 9 C, 685)6
''
#>)&
P:,*, *+,-)9; (, 8*, 9 +); -, ,): ) (, @,,5 *9,
#>))&
W(,(, (, +9 9 8*, 9 +), -, ,): )* ,-:*,5.
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27
T,): A6,,
''
#)& ()6( :6,
''
#))& :< V:6,
''
2
P*)), S,8,-, I+,5-, =,
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#& H)6( V:6, '
''
#=& L< V:6, '
''
#)))& C58- A,
''
#& H)6( :6, #) *.&
''
#=& L< V:6, #) *.&
''
#)& C8, 5,*); 9
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31
I*8:)
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''
3!
B8*()6
''
H)6( V:6, L< V:6,
#)& M?,
''
#))& T;+,
''
2!/27
S:.N.
PARTICULARS
GTP TO BE FILLED BY THE BIDDER FOR EACH OFFERED RATING
#)))& A++:)-=:, *55
''
#)& I*8:)
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#)& T: #) &
''
#))& P,-,5 #) &
''
#)& M))8 (,)6( 9 (, =8*()6
37
M))8 -:,-, #) &
''
B,
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''
40
O): 8:);
''
#)& A++:)-=:, *55
''
#))& T: 8:); 9 ): #) :),*&
''
41
A++>), ,:: D),*)* #) &
''
#& L,6(
''
#=& B,5(
''
#-& H,)6(
''
#5& M))8 (,)6( 9 = * +) =8*()6 9 = 9 =*, -(,:
''
42
M))8 -:,-, (,)6( 9 :)9)6 ? -, #) &
''
43
W(,(, T;+, T,* R,+ C,5,): P,9-, C,)-, (* =,,
*8=),5 * P,",8)*),* * ,),5 ) (, ,*+,-), -:8*,* 9 T,-()-:
S+,-)-).
44
M?)6'
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=& T*9, R)6 5 D)6 +:, :6
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