23 Eti Psi 159 (10 94) PDF
23 Eti Psi 159 (10 94) PDF
23 Eti Psi 159 (10 94) PDF
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SPECIFICATION.NO. ~ ~ 1 / ~ ~ 1 / 1 5 9 ( 1 0 / $ 4 )
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C . ., " - - $
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!.I T h i ~shec5ficat.ian applies t o outdoor t y p e pale mounted s i n g l e
p o l s Vacuum ,intqrrupto.r - f p t use i n . unattended Railway f r a c t i o n
Substation and;swit.ching Statigri f o f eontro,l-ling poser supply t o the
25kV ac 50 Hz' single phase- .tract.ion-overhead equipment (OHE) i n any
p a r t o f , Indi.a,. -;
.. -$# ..
: " .. I..; .. . I 9
. .* . ,, *. 1 5
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(5,) ~s;&k ~pec? ,,f .-,i l a ' t i o n f o r single phase small ac and
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u n i y e r s a l " k l e c t r ic motors.
I
(8) IS:2099 Spesif i c a t i o n for hushing for a1 ternat.ing
vollsges above 1000 V.
Spet?fication for pofce!ain post ~nsulators for
, s y s t e ~ sw i t h n y i n a l voltwses ateater than 1 0 0 0 V .
S~eoificatian f o r e'lectriebover connectors.
fs) IS:5F21 Specificatio~ ,)for Hollow insulators f o r use in
ele6t.rical equipment. _ I .
3.3 . P ~ ~ t e cion I
t . Scheme I
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3.3.f . The f a u l t i n t h e W E ate isatated by feeder c i r c u i t b r e a k e w
w h r c h . : ~ 1 3 r s t 3 5 through e7ther one o r mare of t h e following relays:
c\l
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ti) i ~ i s t a n c l i !Mho r e l a y .
. I 5
1
( $ 7 1 Instantaneous over current relay and ,.
-
(iii) Wrong phaskroupling r e l a y .
3.3,2
' .
The f a u l t in t h e traction transformer are 'isolated'.by m e
f X l y ) - I ~ M Tover - & j r r e n t
--A
lays for
- re
-
u W i t h diode With
rectifisr thvr jat.er
- 3,6 E!edtr- i ~ e m
l ameters
3.6.1 The OH% i s made up of stranded cadmium copper catenary of 6 5
sq mm cross s e ~ t i o nor a stranded aluminium alloy ca%ena.ryo f 116' sg
rn trclra section and a grooved copDer ti1re of 107 sg mm crass sect-ron
making up total of 150 sq mrn copper equ~valent. The OH€ i m p e d e n ~ 6
value are gonetslly taksn as under:
0
( i ) S?ng)e track OHE without r e t u r n 0.41 / 7 0 Ohm/km
~br75jLift o r
: d i j ) f ? s u b il e . t . r a c k OHE w7thout r e t u r n
contduktor
3,7 D l - ~ t i e SZf
.~ Interruator:
3.7.: Ths ihterruptot i s . w e d a k t h e following locations in
the 25 kv ac, 5 ~ i zsrngle phase traction system:
As ~ e c t i ~ o ~ ii n
n tge r r u p t o ~at Sub-Sectioning and para?leling'
post fssPj,
*.
3,7,3 The design and canstruction of t h e i n t e ~ r u p t o r s h a ! ? he
such that it i s capafi!e o f performin8 1O3OQD c?ose-open 0 ~ s r a t . 7 n ; i : ? n
service w i t h o u t adjustment/change o f any part/contacts or Vaeuurn
bottle . L u b r i c a t i o n and tightening o f moving patts'in t h e opgrating
m e ~ h a n i s m snrj c l e a n i n g o f p o r c e l a i n , i n s u f a t o r s ' i ; a n b e d ~ n e as per
. , .
manufacturer's kecommendation,
4.0 ~ e r v i c e.and errvirorimental Cond.it ions:
I,
. .
Maximuin amh%ent, a3r temgsratura 43 deg. C .
- .
J i i ) Minimtirn ambient a i r temperature .
(iii!Average ambient a i r tsmperature aver 35 d e g . C
a period o f 24 h .
fiv) M a ~ T r n urelative
~ humidity,' 100%
. .
Cv) Annual rainfall Ranging between -
1750 mm and 6259mm ,
f
5.2 '
1 .
C h a r a e t : e r ~ s t l ~of
.
s Interru~tor;
I
kithskdnd voltage.: -
.. * ..
b, ' R a t e d -1I i a h t n i n g
.
. * .250kV(peak)
i *.: imgul$e u . i t h s t a n d .
I - . vo ltag& ( ;ld.2/50 ' ' 1.
- ,
'mitrosec&ikl wdve-
form). + t i ,, . .-
v) Rated dermal current
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., .
vi)
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. : : =.breakihg-c;urre%t.
ir
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Rated l i n e charging
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mechanism of
i n t e ~ r i - i p t o r and a s s o c i a t e d equipment i n particular.,
1.1.7 The m a t & , ' f ixsd and rnovtng contacts of the ioterruptor
shall have ample cross-section a ~ cdo n t a c t pressure f o r c a r r y i n g the
rated current and short t i m e current without excessive temperature
r i s e , p i t t i n g and welding,
,
7.7.2. .An &rran,gemertt or a device shall be provided e x t . e r n a ?ly to
ifidikatec?early t.'hat t h e canta~tsare wsaeing out and the e x t e n t to
which the wear i s 1 taking place t3 beterrnine whether the canta.cts have
worn out to the pr'escr.ibed I J r n i t , .
7.2 Auxiliar~ C~ntact6:T Apart from the auxiliary contasts
required exclusf tely by the 'rnanufa~tuterfor.the funct i ~ n i n ga f . kbe
fnterrw~tor, at l e a s t 8 pairs of nsrmally open contacts and G g a i ~ s
of hsrmalty clos&d cont.acts shall be provided additionally f o r the
~ ~ z l u s 5 v euse qf the Purchaser. The auxiliary contacts which ape
operated in conjunction with the main contacts shall be p ~ s i t . i . ~ : e ! y
driver! in both the d.irecti@n~!
8.0 Oseratihg Mechanism:
8.1 The int'er~.iiptorshall be ope.rat.ed by a motor charged spring
st0Ped energy mechanism. Both opening and closing operations shall
be done by the !stored energy of spring(s). The motor ..shall be so
rated that. the time,requ<redfor fully charging t h e closing spring i s
I ,
8,s T
he operating mechwnism shalf slso be provided w i t . h a
siiit.ab1e cieviye to manua.11~ close the interruptor. .In -addition a
d e t a ~ h a b l e hwficilej~ranli shall be provided for manually 'charging the
c70sing spring. The height from ground level at .which the
- ~ ~ . : ~ d l a ! c r a ni~k to be In.sert,ed i r c the operating mechanism shall be
!~
-.# .-
between !1W mrn and 7500 mrn so as t a enable ~ t s oneratjon
c o n v e n i e n t l y by the pperat-or ~ t a n d ~ non
g the ground.
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i-.
t h e ground.
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8.11 Shokk absatbGrs used ( i f a n y ) shall n o t tequire any
maintenance Qur i n g i t h e entire l i f e o f the ~ n t e r r u p t o r ' .
, ,
5.12 The aparbt ion of the pow; operated olosing device wen the
~ n t e r r u p t o r i s i_n; t-he "CLOSE?:'- candit i o n shall not cause damage to
any part of t h e -inter-r.rrg>torO P endanger. the aperator standing near
the i n t e r r u p t o r , The pdwer requirement f o r opening or closing co11
shall n e t exceed 200W and the power requirement at any time inclwd?ng
.sDr t ng charging ahb 1 1 not exceed 750 W .
8 , 73 The 0 ~ 6 t , k t i n g~ e ~ h a n i sand
m associated accessories shal: be
enclosed, i n a weat,,her, dust. and verrnjn'groof cabins'; or cubicle made , -
of 2 mm. thick &hest. sf-eel' ( o f t e s t e d quality) w i t h gr.ovis?an f o r
17 i
r
n u t r l d e diameter w h f l e t h e ba!snze
.~.,
t w o glands shall be for cable of
14 mm outside d i a r n + t e r , .
. .
l@*l '
-
The interru~tor shall be pr~vided w i t h dav~ce; f o r
ele<;t,ricaI and' me~hanical interlocking with its a-sso~iated
i&olatar(S) ,if A n y , suc-h that. ( i ) the isolator can be operated only
when the iqterr,up$or i s :locked i n t h e 'opep' oondition and ( r i ) the
interruptor eannot be aperated hot.?! man~tallyand electrical1:f either
oh 'LOCAL' ar / , o n 'REMOTE' unless the isolator is locked ' i r . the
'CLISED' or-"OPEN' condition,
1
10.3 . The lock meant for mounting on the associated isolator shall
ke of the bolt type of approved design and shall be .suitable far
f ixlng directly on the isolator. The internal mechaniarn of t h e bolt
t y p e lock shall be made of non-ferrous metal and t h e outer .housing
shall be of m i i d steel hot.-dig galvanised. ROSO drawing showing bolt
t y p e interlack i s attached with t h i s specifieatiofi at Appendix-111.
> Operating
+
mechanfsm cubicle door gadlacking arrangement.
I?! Manually operated opening and closing be'vice -,
13
. . . , 5 :; ' .: ..
?v) Local, e l e c t r i i ~ a ?c,fosinglanci opening picah b u t , t o ' i l / k n b b s .
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vl Operat Tan ~ o ~ i n t e r ,
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vi) ~ n t e r l o c k i n e~ $ e v f c q ' ~ , . . .
12.8 !he
-T name / tat in^ p.1at.e ;.shall cbntaifi the 'fbtluwina
particulars;
-
i ) Manufacturer,.
iii) S e r i a l number.
v R a t e d voltage, I\
xv) Vacuum l e v e l i n t o r r . /I
xvij 0 t d e r reference.
. wind *. pressure ,b,of 200' kg?/m on ' 1;.'5times t h e p r o jetted area ' of
- each rpember of. one far,e.,a,nd $aRi.ing ,in-tb account t h e dead and impact :
loads o f - i n t e r r u o t ' o r . '. . - ,,.
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14,1 ~ i a v i t r . ~ $ y pf6ukdatfan
e bf p l a i n masss c o n c r e t e t 0 . M 10 mix ,
as Per I S 458 .%ha11 be desigjned c o n s i d e r i n g t h e hormal and irnpaot
'.loadir?g i n ~ p ~ n i n ~ / c l c ? aapsrat.ions.'
ine The b a s i c wind pressure shall -
- 1
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. be t a k e n ,as 200 '
~ g f / m
' . Two a l t e r n a t i v e , .des!gn ,of foundat i p n s one-
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.) . , - . . 2
soil:
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for n i l a e k c o t t b n . qf , b s a r i n g e a ~ a c i t y? 8 5 0 O l k $ f ~ m s h a l l .
be f u r n i s h e d by' t 6 k maAufacturer.
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. , 4 $:
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15.2. ' ! 1 f t ? e tende(er/ianu;aoturer i s n o t a b l e t o hot .
d i p g a ~ v k n i s ethe! operafing,me~hanism~cubicle i s per, . Clause 1 5 . 1 , t t .
shal.1, h a v e r t h e , ~ b r r o s i q nptevsnt,i,un sptern.applded o v e r : them w i t h
nsces6;ry surfabe'lgreparat . . _ . i o n as under,: , L 2
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b +
. Removal
(
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i , pf a $ i l . * p i l / e r e a s e f r o m t h g , metal ,surfaek. u s i n 0
., t d IS 1745-78.
~etroIeum~hydroc,ar~d~,selvent I . .) . 9 '
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P r e n y a t . i o n..,- ..,,UP
. t. h$, ,<;r.f ape . by hot d h a i ~ h ait n s /. tb IS 38 1,8
, . . . Fl$ss-8.,
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i) Primer coat
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. Applying by'brush/airless spray two
coats of Epoxy zinc phr/sphat.e.primsrto
+?@SO Sgekifi~ation No, M & C/PW'-
+ . 102/88, CQ FO micron m i n i m u m dry film
- C C ~ R ~ F. 901-yurethane of aluminium
'
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finidhing to R O W Specification No: M R
, , ! C/PCN-110/88, t o 40- micron rninirn1_i!q.dry
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f i l,m"th.icknsss.
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15,3 F a s t ~ t i e r s ; -All fastener9 o f 1 2 mm diameter'and less exposed
to aCmoi;phlere shall be of 'stainl'sss 'steel and those above 12 mm .
Test i h a ;
Genera.1 :
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- 16 k .
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76.1.3 In t h k event o f t h e t e s t s not being s;aPr.ied through t o
cumplet~on a t lone s t r e t c h f o r any rsason attrib.iit.able to ' t h e
successful .tekhdereq/manufacturer and. i t 1s r e q u i r i d for the
representativb / o f the P U ~ G ~ ~ S ~ ~ / D G ( T I ) / R DLucknow SO, to go s g a l n o r
m o r q a ncrrnber ,i o f !. imes to . t,he :, works of the succ.essfu 1
tenderer/mwnufa~t.~rfgdQT any r;aputed.,t e s t i n g hause/laborqtorji whare
t e s t s are beltg dona f o r ' z b n t ihi&and/or completing the t e s t s o n
t h e . p r o t o t y p e f ~ ).,of thesl e?qy:pment, t h e . successful tenderer/
manufacturer; lsha1.l- reimbuysei t o the,'P,urchaser/DG(TI)/RDSO t ha o n s t
for t h e ~ e p f s r s n t a t . ~ v e { sh~ i t.a v i s i t the works or other
D 1aceaC.s) f o r t h e ,tgsSts rnor.e,,fihaq- once, The 'coat as G lairnec! by t. h e
Purchaser / DS(~I)?RD~O, ~ 1 be p a i d through. a Demand Uraf t
~ v c k h oshaf
t o t h e concerned Acoounts O f f i ~ e r of t h e P u r c h a s e r / D F ( T I ) / R D ~ ,
Lc!ckn~lri as shalt be advisqd t.0 the I s ur ci ~ e s s f u t tenderer/manufacturar. /
-
16,1,+ The tests s h a l l .be: ., &onqur,tgd on t h e p r o t o t y p e . o f the ..
* j n t e r r i r p t o r a t t h e w ? T ~ E . ; o f thel % U C ~ B S S ~ Ut?e n d e r e r / m a ~ u f a c t i j r e r ' or
a t any reputed t e s t j n g , house br l a b o r a t o r y i n , t h e prdbence; o f
~ u ~ c h e s a r ! ~ ~ ( ~ ~ ! / ~ ~ ~ ~ , >. uorc khis n o uauthor lsed representat i v e . The
! ? ~ @ t O t y? ~ h ael l b e opmn.f~ke. in, a1.l rebp4cta,. i n c l u d i n g the t e r n i n a i
cplpectors, as ,would b,$h&$.!:kg. .if i t hpd p a s s e d t h e tests. The
t e s t s sha1,l be eo'hducted a.4 per,,,rti;l?svqn~Governing Specificatfon, and
as r n o d j f i e d or amplified as under:
18 1:
" . # , t $7
For t h e t e s t s . which ,ar$ condukt'ed i n the l a b o r a t o r i e s o f
5
- p m .
16,2.: The t y p e t e s t s c o m p r i s e :
r. , ; : -
Mechanica? o p e r a t ~ o nt e s t .
# .+
, i. i , ,Ternperat,u,re
, ,r,lae t e a t , ,
'3 'I6 ' I ** *,* 1 ;I: . 4'
iii) Dielectr i~ t e s g s . I
I . ,,,.. . .
. f a ) Rated ?.jghtning,.irnpulae voltage w i t h s t a n d test. nl
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(b) ~ a t e done rni&te'pbuerr frasuonoy w e t w i t h s t a n d
Voltage teat..
,
- 7 *
v ' Rated
1 ' r*-
1 .(
peak withstand
current t e j t .
- $hart ciroutt making burrent test (Test duty No. 6). '
16.2.1.7 ppqr t i o t'ggt;
~ T,he test shall be conducted ih
a c c o r d a n c e x u s e B a l O 1 o T IEC 56 but the number of o p e r a t i o n s
shall he 10,000 instead of 2000 spsclfied therein. For this purpose
the interruptor shall be t e s t e d in accordance with Table X I 1 of
IEC 5 6 , However the' sequence shall be rsg'eated S times t o . camplets J
i i ) $&ine
1 4 .
&arsjne
I I 4 1 , ., P,
w 6 t . q ~ ,. shk-l l" be t e ' s t e d a% 1
# ; . F - liV (rms) for
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1 min.
V) . travel character i s t i c n o f
losing ,'and opening. contracts to
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record -
at tpe specified
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normal,
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minimum and maximum control
vczl t a g e s .
r . . q * C 3 ' . .
rikedtest on-the main c i r ~ u i t . ' a u x i l i a r y
The temperatute
c i r t u j t s such1 as closing 8 n d * q p a n i ~ g ,C Q I I , auxi 1 rary ~ o n t a c t s and
b ~ ~! b i o a r r l e d out" as p e i IEC-694.Contact
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c d b q ~ ~ t ' sha]
,$
term!n;i
r e s i s t a n c e of thd rn&iG' c i r c u i t shall. b& determined by d.c. v o a l t a g e
d r o ~and recorded, . .
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18.2.1. E x1 The maxirn~#iemgerdtuib i i k 6 ~f oontact;, - terminals for
connect~on to external conductors by b o l t s , metal p a i t s a c t ~ n g as 2
sarlogs, material-used ap insu!aticn 3 and m e t a l parts i n contact w i t h +
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‘ " ~ i e l e ~ ~ ~ i ~ ' - " shwfl
t . *e s .t bb
-
s c a i r i k d out i n accordance with
If? 684 and shall c b & $ r i & e ? '
The interruptor sha.11 withstand 250kV?Pea.k)' standard
lightning impulse valtase o f l.2lfO micro-second wave s h a p e .
break., a
. I te&t. (;Test,..&&
shall be performed at 8OOA. I I
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s - .
1 v
i $ " 4 ' a. < ,
1 6 . 2 ; 1.513 a.
~ l g k d ~ g m a k l w , t.est+r&,& a*m i n l v i
s
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{ T e s t Duty L a i
- T v e h t . ~make-break.o~er,wt.iqnsphal.1.be performed at 5%
of
the rsted normal current with..s.test,.v.ol$age of not less than 27.5kV.
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18.2.1.5.4 :Line ~ h a r g i n ~ . ~ r n a k a - b r e a k , - ~ e r a t i o9~u ~
t 4ef 'sNto , d'
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7 - ,.. . Tebt I .
' 117 . * P
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Twent-y close operations at 20 kA (peak) shall be
pe~formed.-+~Opentng
of t.he intecruptor,,shall.be done w i t h supply
disronnected.p.r '( .* . , . 3 E*
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16, t o
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78.10.1 ~ v k f y~ n t e r r u p t ~ shall
r be subjett-ad t o the'routine t e s t s a t
the manufacturters' w6tk.s as p e r tzlauae 7 of ' IEC 56.Rautine t e s t .
;@ports o f iterns/~arnponente used shall b0 made availabte to the
t o s t i n @ authority, The routink tests comprise -
Rated
i). atie ' m i n u t e Power frequency dry withstand voltage
test.,
ii) Dielectric test on control and,auxi'liarycircuits.
22
iii) Measurement of resistance of main circuit.
1fi;!0.1:2 Die~sctric:tests,~
control @&itjarv .. ..
~ircuits:
, ?
- l -
The control and aux.j likry shal) wit.hat.and 20QO V ac fot
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one- m i n u t e after disconnecting spring chargi6g hotor.
I . ,, -
le.lO.1.3 Peasurenrnt ef resistance pt .!& hain< ' circuit;
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The tesistanoe shall b e measured by d.o. voltage drop.
The measured value shall not exceed 1.2 time$ the value o f resistance
recarded before temperature rise teat durtng type test in^.
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16.10.7.4 Mechanlca3 onerating test:
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v i ~ eversa. The interruptst shoufd ndt- operate, -- CX
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ivl Vefification -of.manua! opening and cloaihg operation. "I
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camponents.
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, s h e e f , s f i n s t r u c t i o n .'s,hset.s-yelating t o the contract,- for example a
. drawing designated as D3Qv78,[+1!23 .sheet +2 of 4 , d e n o t e s , that :
. , 4
( i ) N O 307, 43. t-he Grawing no, - the choice o f - which : i s left to
. p .\.. . "( " .;. . CY: - the S U F C % ~ F . ~ Utenderer,.-
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f i.i) . dsneqa1 , issembly show ins rnqunt ina..ar rangement and evera 1 1
' i . d - i ~ e n q i o n s . ?.. . ' 9s 8 , .
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i .. cr,ups,,- ssect;ional view.,of. the:-vacuum bottle
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. * 1 .shoving ,geometry 'bf t lxeb
, and moving c o .n t-a c t s .
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dl, *% i, f
. . 0 b e r a t i n g {and oo~ip1
s . r . 9 i ;'. i . *
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i n g mechanism ,of complete i n t e k r u p t o r
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.i x ) ' .FuI 1 detai.15 o f 'al>,,s*ee:ins.doints
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w i t h . &tad 1s of 0-r ings,
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' ll
19,O -Smr es :
Il9 ,'I The tenderer shall furnish along w i t h h i s offer, a list of
spares (with cost) recommended by h i m for maintenance o f the
interruptor fot a period of Ben years, The 159.3; should include
bellows, ~ackets/O-rings; parts which are likely to wear and items
rsqulring replsnishment, hesfdsk other items recommended by the
manufacturer. 1 t .
I * .
20,O'. J r a i n i w Qf h d i a n . Rai lwav'a an#_lnaess.;.
- li
20.1 The offer shall include the*k r a i n i n ~o f iwo en~ineerso f . the
Indian ailw ways free of cast . a t t h e manufa~turer's wokks in India 'or
abrclad and at. %hb mainbanancis 'deputs/kork~hopson a'~ a i j w a ys y s t e m or
other public utility where interrupters o f s i m i l a r / identi~at design
are in operation, The total duration of training' far tsa.ch engineer
shall be 12 weeks of w h ~ c happroximately 8 weeks will be at
+
I
21.0 - I d a r , rI w
.
---4--------------------CII--------------------------------------------
1 2 3 .
......................................................................
I
A.
1, Maker'sname ,
2. Country of manufacture. t
3. ~ a r i u f a c t u q e r ' st y p e designeti~n:
i ) ~nterr&tor pole'
i i ) O p e r a t i n g fne~hanism
I
4. Ratedvalta~e kV
:'.
, 5, Class
A
Indoor/Outdoor
I
7 Rated frequency Hz
8 break~ng(current. h
N
70. Rated f ~ n echarging breaking current. A (rrns> V
current
I
,
Rated shdr t citdui t making adrrent
Rated Short. t ime u i bhst.and cu'rrent kA (peak)
for 3s. * .
, .
I
Rated operating'seqwenccs. I
I,
T j y e of cont.acts,
T~talweight of t h e lnt-erruptor. kg 9
-Overall
intertutpor
dimensions
c ~ m 1et.e
p
of
'
t.pe
wjth
i'nsulat.ors, nrechanism box et.c.
I
mounted oh pole.
Width mrn
Height I I I s mm
. -
(Please furyish the General arrangement drakins with
overall dimensions).
C. Omrating narticularg
28. Closing time (Maximum)
29.S Make
'
time (fiaximum) rns
tained within c s r t a i ~ 1
Eimits), . I
ly closed
ii) ~ormaf I(
.. Nos.
m e c h a n ~ r mdoor?
Ts rnecharaital G lose/open
indicator provided?
* * *
Is spring I m d e d 'Remote', 'Local: , , , LS/PID
\/I-
*switch grovibed?
8 , ,
Is elect.rical &. rn~~han7cal y~s/r;l"v
interlock with lock & key
pr"ovided? 3
Is operat.ing mechanism
the YES/N0
hcruaed i n a. dust, weatherband
vermin proof ~abinet.of sheet
steel
, , .
construct-fo~?
' " i ., .
Is a tinace heater provided for is . YES/PIO
prevention o f condensation of
moi'sture in the
.. operating
mechanism box? el -
1
.t
Is ac and dc wiring and'posjtive YES/P10
a*nd negative wiring cornp7etely
segregated?
... + + *
Are ~ a n t r o lwires terminated w i t h YES/Mr)
cr imped lugs?
57. Are terminal blocks f o r wiring , YES/NG
dust proof and provided with
\
un-breakable transparent
shrouds?
58: Is ewrt.bing t.errnina-Isprovoided
for Operating mechanism cubicle?
59, Is hsndle/crank f o r manual YES/NO Tf-
8
charging of t h e ~lssinespring c\l
provi bed? k
c\l
6 3 : Are f a s t e n e r s of 12 in& d i a and YESJNB , V
less of stainless steel?
67. A s s fasteners o f mope than 12
mm. bia of sta.intss.ssteeS o r
h o t dip galvanised steel?
62. Is supervision f a c s l i t i e s f o r
ion,
ere~t. test.ing ,and
c ~ m m i s s i a n i n g provided?
. 63. Will training of , 2 ZR
engineers be arranged f o r a
total period af 12 weeks?
84: Is warranty provided as per YES/NO
efauae No.21.
65. Was list. of, spares hisen
fur n i shs,d?
t
86. Has fist of special m a i n t e n a n ~ e
tools furnished? I
h) Make
1
o) Identification mark
x Total weight kg
cj fdentificatidn mark
!
4 Item draQing Na.
4, ~ u xl iiar'y contacts:
a) Dsscripti~nsnd t y ~ e ,:
bj
1
Type designation . I
c) Make .I (.
L
4) Identification mark ,=
e! Governing ape~ification .. .
f ) Rating:
i) Voltage *
..
I.
ii) Continuous current I I
r ) Make.
d) Identification matk ..
e) Governing specifi~ation ,.
fj Rating:
i) Voltage ..
f i ) Continuous current .,
i i i ) Breaking & making current* t r
i) Voltage
ii) .~ontinuousc u r r e n t
iiir Breaking 8. making ~ u i r s n t , ' . a
. ,
..
5 .
b) Type designation
G) Make ..
d) I d e n t i f i c a t i o n mark . l 8 -
e) Governjng s p e c i f i t a t i o n ..
- f ) eating i
3 ) Voltage ( w i t h permissible
vartation.1
i i i ) Class o f insulation.
i v ) Time required by t h e
motor t o c h a r g e the
apring f u l l y ( M a x . )
v i ) Mode of protection
8, Spr ins!
a) D e s c r i p t i o n and t y p e
b) Type designation
r . ) Make
. .
dj Identification mark
. 6) Rating:
i) No. o f springj
iij T y ~ e<comptessi~n/tension/
spiral 1. t I,
vi) Stiffness
vii) Material
9. Operating Coil:
a) Description and type ,
b) Type d s i~ an
gnat.,?
c Make .
d) ZdentifScation mark
e) 'Governing specification
.
"
gl Rating;
i ) Operating v o l t a i e ( w i t . h
permissqble variation).
ii) Rosjatance a t 20 bet2.C :
i i 1 ) Class of insulation
i v ) Power (kW3
b) Type designation
ilr> - I d e f i t i f ic,a.t.ion mark . =. =
I!. Heater>;
a\ ' Des~riptionand type
c) Make
d) Identification mark
8) Governing speciflcatibn
f ) Rating:
I I
i ) Voltsge
i i ) Power
12. Interlock:
a! Description and t y p e ..
h) Type designation' . ,
cj Make * a
e) Governing spscificatisn ,,
f ) Electrical rating ( i f a n y ) . . %
t;) Make . .
, . %
, . . ..
..
d> Identification mark ,.
@vernin~ specification .,
fl Pat.ing:
i ) Vo'it.s.ee x
i i ) Current. I '
73. Resisters:
a]' Description and t . y p e . . 8 E
b) . ~ y $ edesignatton
G! t4a.k.e
f) Rating; .
i ?Voltage
c) Make
d) Identification mark ..
f ) Rating:
i i ) Pick up voltage ..
-
i i i ) Orup out v<ags
',
I i
v! Alixiliary contact r a t i n g ..
v i ) Guaranteed L i f e : I
12
15. ' O ~ J ring and gaskets: ( p t s a s e f i i r n i s S
d b t . a i l s fcjr a ?l variety).
a: Deq~ription and make -.
. I
!
b ) ~iiensional drawing No. ..
4
r).Goyerning Specification
16. Valves & ~ d u p l ~ n g(si f any):
S) Description a n d nake ,
/
b ) ~ o d e r n iSpe~~fic3t1rrt
~
c ) Type designat.isn & s i z e .
17. S h o ~ kabsorber :
c) Id@ntification mark ..
ICASTEL A N D BOLT T Y P E I ~ o l 1 - 1I I
LOCK W I T H COMMON KEY DR.BY. S.CHANDRA
FOR 25kV ac S I N G L E POLE
-.CLKP_BY!~&-X~
!2.L7_47_47_4
CIRCUIT ET I / P S 1 / S K / 3 4 4
/'-
I