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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 ): #) :),*&

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    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