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SPB-PC J K PAPER MILLS LTD.
SURAT, GUJARAT
ELECTRICAL SPECIFICATION
TECHNICAL SPECIFICATIONS FOR BATTERY &
BATTERY CHARGER
1.0 SCOPE OF TENDER
1.1 Scope of Supp!
Scope includes supply of the following 110V DC Battery & Battery charger
unit as per design criteria and construction features specified for JKPLCP!
1"!# $% Proect'
110V DC Battery Charger (nit ) 1 *o'
110V DC +00 ,- Lead acid Plante Battery ) 1 *o'
1." M#$ce%eou$ I'e($
.ne set of special tools and tac/les for coissioning'
$he scope of supply shall include the preparation and suission of all design
details2 drawings2 technical inforation2 operating and aintenance
instructions2 test certificates2 recoended 3uantities of consuales and
also special tools and tac/les re3uired for coissioning'
1.) Scope of Se*+#ce$
$enderer shall also e responsile to depute a 4rection2 $esting and
Coissioning engineer for super5ision of erection and coissioning of the
110V DC Battery and Battery Charger (nit apart fro carrying out all the
re3uired tests'
".0 DESIGN CRITERIA
$he proposed 110V DC Battery charger units shall e suitale for operationon the 5oltage2 fre3uency2 and syste as specified elow6
".1 S!$'e( Re,u#*e(e'
$he Battery and Battery Charger unit shall confor to the following design
re3uireents'
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SPB-PC J K PAPER MILLS LTD.
SURAT, GUJARAT
ELECTRICAL SPECIFICATION
S.NO DESCRIPTION DESIGN PARAMETERS
1.0 Battery Charger
1'1 $ype $hyristorised controlled type
1'" Panel Construction & $hic/nessSheet steel of thic/ness not less than
"
1'7 Degree of protection 8P +"
1'+ Design aient teperature +9C
1'9 4arth usar "9 : ; copper
1'; Busar slee5ing PVC slee5ed
1'< 8nput ,C 5oltage +19V = 10>2 7Ph2 +#2 90-?=9>
1'@ Aloat Boost charger current rating ;0;0,
1' .utput current rating 90,
1'10Aloat Boost charger output 5oltagerating
110V DC
1'11 .utput current ripple "> of set 5alue
1'1" .utput 5oltage ripple "> of rs 5alue
1'17Eipple content present in the atterycharger output without attery
connected
#ithin 0'09
1'1+ .utput regulation =1> of set 5alue
1'19 Control configuration
7 Phase2 full wa5e thyristorised ridgefed through 7 )phase transforer and
controlled y constant potentialcontroller unit with load liiting feature
F,VEG
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SPB-PC J K PAPER MILLS LTD.
SURAT, GUJARAT
ELECTRICAL SPECIFICATION
1'1; !ode of operation ,utoatic !anual
1'1< !ode of charging6
Aloat FrangeG Constant potential at "'19 ) "'"9
V per cell
43ualise charging FrangeG Constant potential at "'"9 ) "'+
V per cell
Boost charging Constant current with a:iu
5oltage of "'< V per cell
1'1@ ,lars a' Boost float charger DC .P failure
' 8nput ,C power failure
c' 8nput power supply troule
d' Boost float DC under o5er5oltage
e' Boost float charger o5er current
f' Battery earth fault
1'1 !eters a' DC Volteter
' DC ,eter
c' ,C input Volteter
d' ,C input ,eter
1'"0 8ndications a' ,C Power .* .AA'
' Aloat charger switch .* .AA'
c' Boost ode .* .AA
1'"1 Protection a' Protection for o5erload
' Protection against shortcircuit at DCterinals
c' didt protection of SCEs
d' DC output o5er 5oltage FsettaleGo5er a range of specified output5oltage and slugged Ftie delayedG
e' #al/in circuit with 19 sec' #al/intie'
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SPB-PC J K PAPER MILLS LTD.
SURAT, GUJARAT
ELECTRICAL SPECIFICATION
1'"" Painting4po:y paint as per shade
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SPB-PC J K PAPER MILLS LTD.
SURAT, GUJARAT
ELECTRICAL SPECIFICATION
Note: $he e3uipent shall e rated to operate continuously in a a:iu aient
teperature of +7C and a iniu aient of C' $he attery cells shall
e si?ed to pro5ide full output throughout anufacturerHs specified
teperature range'
).0 APPLICABLE ACTS RLES AND REGLATIONS
43uipent co5ered y these specifications shall e designed2 anufactured
and tested in accordance with rele5ant latest standards and codes of practice
of Bureau of 8ndian Standards including 8S 1;912 8S 1;9"2 8S 101@2
8S @7"02 8S 11+;2 8S +0;+2 8S 1"+@ or e3ui5alent 8nternational standards li/e
84C'
2.0 OPERATING MODES
2.1 No*(% Mo3e
$he DC load shall e continuously supplied y the rectifier charger FsG which
shall deri5e power fro the priary FnoralG ,C source and shall
siultaneously float charge the atteryFiesG' $he incoing power supply to
each of changer shall e connected through re3uired isolating transforer
which shall ha5e taps at 7@0+00+19++0V'
2." E(e*/ec! Mo3e
(pon loss of priary ac source2 the load shall continue to e supplied fro
the attery for the period specified in the syste re3uireents FCL "'0G
2.) Rec4%*/e Mo3e
(pon restoration of the priary ,C source2 the rectifier chargerFsG shall
power the load and siultaneously recharge the atteryFiesG at the rate
deterined y the rectifier chargerFsG capacity and the attery 5oltage'$his shall e an autoatic function causing no interruption of power to the
load'
2.2 B%''e*! M%#'e%ce 5E#(#%'o*6 Mo3e
8f the attery only is ta/en out of ser5ice for aintenance2 the rectifier shall
continue to operate and eet all specified perforance criteria e:cept for the
reser5e tie capacity'
Doc No.JKPL-PHP-0)
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SPB-PC J K PAPER MILLS LTD.
SURAT, GUJARAT
ELECTRICAL SPECIFICATION
7.0CONSTRCTIONAL DETAILS
9'1 $he attery chargers shall e housed in a free standing2 floor ountingcainet' $he charger panel shall e sheet steel construction of not less than
" thic/ness and capale of continuous independent operation to supply
DC power for fi:ed and oentary load2 and to float and oost charge the
associated attery siultaneously2 entirely uilt and tested in the wor/s of a
!anufacturer where regular assely of siilar units ta/es place'
9'" $he instruents2 switches and indicating laps shall e flush ounting on
the front panel' Suitale iic diagra depicting the power distriution
schee shall e pro5ided with necessary control and indication e3uipents'
*ae plates for all e3uipent shall e pro5ided' $he panel shall e copletewith internal wiring2 terinal loc/s2 space heater with therostatically
controlled switch2 and other au:iliaries'
9'7 $he syste shall include all circuit protecti5e de5ices2 5oltage regulators2
filters2 instruentation2 and related coponents re3uired to insure the
integrity and reliaility of the syste'
9'+ $he e3uipent shall e etal enclosed for indoor ser5ice2 free standing2 dead
front2 with hinged doors for front access' $he enclosure shall accoodate
otto cale entry' $he interior shall e designed to allow all noral
aintenance to e perfored fro the front hinged and loc/ale door' ,ll
cainets shall e pro5ided with suitale lifting lugs'
9'9 Cooling shall norally e y natural con5ection' #here an air circulation fan
assists natural con5ection2 redundant fans with filtered input air shall e
pro5ided' Ailters shall e easily reo5ale for cleaning or replaceent'
9'; %land FdrillG plates for e:ternal cales shall ha5e ade3uate space for gland
accoodation and e reo5ale' $he plates shall e located to pro5ide
ease of access for terinating the si?e and type of cale specified'
9'< Busars shall e PVC slee5ed' Power supply terinals and terinals li5e
fro outside sources shall e shrouded FguardedG'
9'@ 8nternal cuicle control wiring shall e insulated stranded copper conductor of
si?e not saller than "'9 s3' Fe:cept where !anufacturers standard
rion wiring syste is accepted y the purchaserG'
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SPB-PC J K PAPER MILLS LTD.
SURAT, GUJARAT
ELECTRICAL SPECIFICATION
9' #iring shall e run in wireways with aple spare capacity' 4ach wire end
shall ha5e plastic slee5e type peranently eossed ar/ers to atch
wiring diagras and terinals nuers'
9'10 Ale:ile cale shall e used for connections to door ounted e3uipent'
#iring shall e wrapped in fle:ile PVC conduit and e firly claped at oth
ends to pre5ent o5eent at terinations'
9'11 #iring terinations at different 5oltages and of different systes shall e
segregated and clearly ar/ed'
9'1" ,ll terinal loc/s shall ha5e 10> spare terinals' $he iniu terinal
si?e shall e "'9 s3' '
9'17 , copper earth usar of si?e not less than "9 : ; shall e run through
out the length of the e3uipent2 with all noncurrent carrying etal parts
and cale gland plates connected to it2 and shall ha5e an e:ternal rass
connecting stud for plant earth'
9'1+ ,ll doors shall e onded to the ain structure y eans of a fle:ile copper
connection arranged so that it cannot e trapped as the door is opened or
closed'
9'19 $herostatically controlled anticondensation heaters shall e installed' ,
fusile .*.AA disconnect switch or !CB for aintenance testing shall also
e pro5ided'
9'1; ,ll insulation aterials shall e nonhygroscopic'
9'1< $he e3uipent shall allow the reo5al of coponents without special tools'
$he design shall e such as to facilitate rapid repair replaceent'
.0 DESIGN AND PERFORMANCE
.1 Gee*%
;'1'1 ,ll coponents shall e rated for oost charging plus full load re3uireents
continuously for the specified life of the syste in the specified aient
conditions'
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SPB-PC J K PAPER MILLS LTD.
SURAT, GUJARAT
ELECTRICAL SPECIFICATION
;'1'" 8solators and switches shall e rated for atleast 1"9> of the a:iu
continuous load rating of the rectifiers and any short ter o5erload rating'
$hey shall ha5e loadrea/2 fault a/e capaility and e fitted with .*.AA
indicators'
;'1'7 Contactors Fif usedG shall e solenoid ) operated airrea/ type2 rated for
continuous operation for ,C or DC application as appropriate to the ser5ice'
$hey shall e capale of a/ing on the pea/ asyetrical let through fault
current of the incoing supply2 and of holding in until the fault has een
cleared y the upstrea protection' Eating of power contactor2 if any used2
shall not e less than 1;, or ore as re3uired'
;'1'+ Seiconductor fuse shall e eployed for all static circuits' Aor others2
standard -EC fuses of suitale rating shall e used for short circuitprotection'
;'1'9 $he $enderer shall confir that no significant radio fre3uency interference
will e generated y the rectifier syste'
;'1'; 4lectrical protection shall e designed y the e3uipent supplier for all aor
coponents to gi5e discriination under design inrush and all fault
conditions' Current liiting on the rectifier shall e incorporated2 adustale
to "00> of rated current and factory set to 110>'
;'1'< $he rectifier charger shall e protected against re5ersed attery polarity'
;'1'@ Protection shall e pro5ided against supply syste switching transients'
;'1' $he $enderer shall suit the estiated a:iu heat loss in /# fro the
e3uipent' $he heat loss shall e confired after copletion of detailed
design2 to facilitate design of air conditioning re3uireents'
;'1'10 $he !anufacturer Supplier shall ta/e steps to reduce direct radio fre3uency
radiations fro the charger e3uipent'
$he production of radio fre3uency interference 5oltages shall e in
accordance with the rele5ant sections of 4* 900@1 ) "'
$he perforance of the DC supply unit shall not e affected2 or in any way
degraded2 y the use of e3uipent Fe'g' portale radio transitters
recei5ersG operating in the fre3uency range "
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SPB-PC J K PAPER MILLS LTD.
SURAT, GUJARAT
ELECTRICAL SPECIFICATION
." Rec'#f#e* - C4%*/e*
;'"'1 $he rectifier charger shall e a constant 5oltage2 current liiting2 selfregulating2 static seiconductor type and shall e si?ed to supply the DC
load current as well as to recharge the attery to 9> of rated capacity
within @ to 10 hours unless otherwise specified on the Data Sheet' ,ll
rectifiers shall e full wa5e rectifiers and all controllale rectifiers shall e
fully controllale type rectifiers'
;'"'" $he output 5oltage at the Battery charger shall reain within the specified
tolerances during oth float and oost charge operation' Voltage dropping
diodes are an acceptale ethod for liiting the 5oltage appearing at the DC
load terinals during oost charging2 ut they shall not e in circuit duringfloat charge operation'
8n any case2 high DC 5oltage should not e allowed on to DC load side'
#hene5er oost charge is switched on2 the attery source to load side shall
e cut off & only float charge to e allowed for DC load' .ne @0> attery
tapping shall also e pro5ided to feed load in case of eergency if float
charger fails'
;'"'7 $he !anufacturer shall include in their rectifier design charge 5oltage
copensation for the attery operating teperature' $his is to ensure that
the recoended iniu and a:iu charge 5oltages are aintained
o5er the operating teperature range to achie5e optiu attery ser5ice
life'
;'"'+ $he design of the charger shall e such that repair replaceent can
reasonaly e carried out within the specified attery ac/ up tie'
;'"'9 4ach rectifier charger shall e pro5ided with an input circuit rea/er2 surge
suppressors such as etal)o:ide 5aristors F!.VHsG to protect against supply
side switching transients2 and the design shall incorporate an input isolation
transforer'
;'"'; $he float charger shall e capale of float charging the attery at "'19V per
cell and the oost charger shall e capale of charging the attery to "V per
cell in @ to 10 hours' $he charger shall ha5e sufficient capacity to reinforce a
fully discharged attery to a state of full charge in eight ten hours with
twenty fi5e F"9G percent spare capacity o5er a:' charging rate'
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SPB-PC J K PAPER MILLS LTD.
SURAT, GUJARAT
ELECTRICAL SPECIFICATION
;'"'< $he rectifier charger output ,C ripple shall not e:ceed 9> rs total
haronic distortion for 5oltages of = 10 > to "0 = > of the steady state
5alues for e:ternal DC load current of 0 to 100> of the rated 5alue unless
otherwise specified on the Data Sheet' 8t shall e copatile with the
attery re3uireents in e5ery respect'
;'"'@ $he rectifier shall e static type three phase full wa5e thyristor controller
rectifier or 8%B$ $ype'
;'"' !anual control /nos for coarse and fine 5oltage 5ariation shall e pro5ided'
$he float charge controller shall ha5e uilt in load liiting features'
;'"'10 #hen the attery is eing charged through oost charger2 float charger shall
e pre5ented to feed the attery tap off point y eans of a loc/ing diodes'
Bloc/ing diodes shall e pro5ided to pre5ent re5erse power feed fro attery
to charger circuits'
;'"'11 $he attery charger shall e of constant 5oltage type with dual pro5ision of
float charging and oost charging siultaneously or independently'
;'"'1" $he charger shall e pro5ided with input output Volteter and ,eters'
$he charger panel shall e of 8P +" enclosure or etter'
;'"'17 8f anual oost charging is specified it shall re5ert autoatically to float
charge in a preselected or when the attery is fully charged2 whiche5er is the
sooner'
;'"'1+ , I high DC 5oltageH alar and Icharger shutdownH alar shall e pro5ided'
;'"'19 , iic diagra of the syste including all isolation points shall e pro5ided
on the front of the enclosure'
.) B%''e*!
;'7'1 4ach attery shall e of high rate perforance Lead ,cid Plante type'
$he estiated attery capacity is at 10 hours discharge rate to pro5ide
noral and eergency DC loads' $he attery shall consist of re3uired
series connected cells' *oral attery 5oltage shall e 110V DC'
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SPB-PC J K PAPER MILLS LTD.
SURAT, GUJARAT
ELECTRICAL SPECIFICATION
;'7'" 4ach attery shall coprise a group of cells connected in series to gi5e
specified noinal 5oltage' 4ach cell shall identify the polarity2 electrolyte
le5el2 anufacturer2 type2 aperehour capacity2 hours asis and date of
anufacture2 all appearing in a plain and durale anner' #et cells shall
ha5e theroplastic containers and e:plosion resistant 5ent caps shall e
pro5ided' ,ll cells shall e ade of flae retardant aterial of high ipact
strength'
;'7'7 $o disconnect the attery at the source2 a circuit rea/er2 rated for full
attery capacity2 shall e pro5ided y the Seller for installation at the attery
rac/ or cainet' $he enclosure of the de5ice shall e certified for use in one
12 %roup 88C2 $7 FClass 82 Di5ision 882 %roup B2 $7G gasses unless specified
otherwise on the Data Sheet' #hen a circuit rea/er is specified2 it shall e
pro5ided with a shunt trip feature'
.2 Co$'*uc'#o of B%''e*#e$
6.4.1 Cell Elements
$he cell shall e lead acid type with tuular positi5e plates' $he plates shall
e designed for a:iu duraility2 high rate of discharge and rapid
fluctuation of load' *egati5e plate shall e of o: type ForG pasted acti5e
aterial securely in place and for good contact with grid during ser5ice'
$he insulation etween the plates shall pro5ide correct spacing and
peranent and coplete separation etween the plates of opposite polarity
to pre5ent internal shortcircuits and perit for circulation of electrolyte
under all conditions' $he iniu 5oltage at the end of load cycle shall not
e less than 1'@9 V per cell'
6.4.2 Electrolyte
$he electrolyte shall e of attery grade sulphuric acid conforing to 8S 6
";;' $he attery shall e despatched uncharged without the electrolyte' $he
electrolyte shall e supplied in nonreturnale container for each attery'
10> e:tra electrolyte shall e furnished to copensate for spillage during
transit and erection in nonreturnale containers'
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SPB-PC J K PAPER MILLS LTD.
SURAT, GUJARAT
ELECTRICAL SPECIFICATION
6.4.3 Containers
$he cell eleent and electrolyte shall e asseled in heat resistant2 shoc/
asoring2 lea/ proof theroplastic containers' $he cell plates shall e
suspended without touching the otto of the container' 8t shall pro5ide
sufficient sedient space so that the plates can shed their acti5e aterial
without shorting the plates in the cell during the e:pected life of the attery
without cell cleaning'
$he co5ers shall e furnished with acid spray proof 5ent plugs' $he cell post
polarity shall e ar/ed on the co5er' $he electrolyte le5el lines for upper
and lower liits shall e ar/ed on all four sides of each container'
6.4.4 Identification
4ach cell shall e ar/ed in a peranent anner to indicate the following
inforation6
Cell nuer with attery no'
$ype of positi5e plate
Cell capacity at 10 hour rate
$ype of container
!anufacturerHs nae
!onth and year of anufacture
6.4.5 Terminal Posts and Connectors
$he cell terinal posts and the intercell2 interrow2 interrac/2 interstep2
intertier and cell connectors shall e of lead or lead coated copper
connectors with ade3uate current carrying capacity' ,ll connectors shall e
furnished with acid resisting olts and nuts with insulating co5ers'
6.4.6 Stands
$he cell shall e supported on porcelain insulators and pads fi:ed on the rac/
with ade3uate clearance etween the adacent cells' $he tea/ wood rac/s
shall e painted with acid resistant paint' $he arrangeent of the rac/ shall
e such as to allow easy access and ade3uate space for noral aintenance
in attery roos'
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SURAT, GUJARAT
ELECTRICAL SPECIFICATION
8.0 INSPECTION AND TESTING
,ll necessary routine tests shall e conducted on the e3uipent as per 8S@;"7'
9.0 DELI:ERY
$he e3uipent shall e deli5ered within three F7G onths fro the date of
ordering letter of intent'
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