COMPLETE REVISION October 2010
Process Industry Practices Electrical
PIP ELSSG01 Design and Fabrication of Lo!Vo"tage Meta"!Enc"osed #C Poer Circ$it %rea&er Sitc'gear
PURPOSE AND USE OF PROCESS INDUSTRY PRACTICES In an effort to minimize te cost of !rocess industry facilities" tis Practice as #een !re!ared from te tecnical re$uirements in te e%istin& standards of ma'or industrial users" contractors" or standards or&anizations( )y armonizin& tese tecnical re$uirements into a sin&le set of Practices" administrati*e" a!!lication" and en&ineerin& costs to #ot te !urcaser and te manufacturer sould #e reduced( +ile tis Practice is e%!ected e%!ected to incor!ora incor!orate te te ma'ority ma'ority of re$uiremen re$uirements ts of most users" indi*idual indi*idual a!!lications may in*ol*e re$uirements tat ,ill #e a!!ended to and ta-e !recedence o*er tis Practice( Determinations concernin& fitness for !ur!ose and !articular matters or a!!lication of te Practice to !articular !ro'ect or en&ineerin& situations sould not #e made solely on information contained in tese materials( Te use of trade names from time to time sould not #e *ie,ed as an e%!ression of !reference #ut rater reco&nized as normal usa&e in te trade( Oter #rands a*in& te same s!ecifications are e$ually correct and may #e su#stituted for tose named( All Practices or &uidelines are intended to #e consistent ,it a!!lica#le la,s and re&ulations includin& OS.A re$uirements( To te e%tent tese Practices or &uidelines sould conflict ,it OS.A or oter oter a!!lic a!!lica#l a#lee la,s la,s or re&ula re&ulatio tions" ns" suc suc la,s la,s or re&ul re&ulati ations ons must must #e follo, follo,ed( ed( Consul Consultt an a!!ro! a!!ro!ria riate te !rofes !rofessi siona onall #efore #efore a!!lyi a!!lyin& n& or actin& actin& on any materi material al contained in or su&&ested #y te Practice(
Tis Practice is su#'ect to re*ision at any time( / Process Industry Practices 0PIP1" Construction Industry Institute" Te Uni*ersity of Te%as at Austin" 2345 +est )ra-er 6ane 0R75881" Austin" Te%as 9:953( PIP ;em#er Com!anies and Su#scri#ers may co!y tis Practice for teir internal use( Can&es or modifications of any -ind are not !ermitted ,itin any PIP Practice ,itout te e%!ress ,ritten autorization of PIP( Autorized Users may attac addenda or o*erlays to clearly indicate indicate modification modificationss or e%ce!tions e%ce!tions to s!ecific s!ecific sections sections of PIP Practices( Practices( Autorized Autorized Users may !ro*ide teir clients" su!!liers and contractors ,it co!ies of te Practice solely for Autorized Autorized Users< !ur!oses( !ur!oses( Tese !ur!oses include #ut are not limited to te !rocurement !rocurement !rocess 0e(&(" as attacments attacments to re$uests re$uests for $uotation= $uotation= !urcase orders or re$ues re$uests ts for !ro!os !ro!osals als=co =contr ntract acts1 s1 and !re!ara !re!aratio tion n and issue issue of desi&n desi&n en&ine en&ineeri erin& n& deli*era#les for use on a s!ecific !ro'ect #y Autorized User
PRINTING HISTORY
September 1997 October 2004 October 2010
Issued Complete Revision Complete Revision
Not !rinted ,it State funds
COMPLETE REVISION October 2010
Process Industry Practices Electrical
PIP ELSSG01 Design and Fabrication of Lo!Vo"tage Meta"!Enc"osed #C Poer Circ$it %rea&er Sitc'gear Tab"e of Contents 1( Introd$ction
)
1.1 Purpose............................................ 2 1.2 Scope............................................... 2
)( References
)
2.1 Process Industry Practices...............2 2.2 Industry Codes and Standards.........2
*( Definitions
*
+( Re,$ire-ents + 4.1 Service Conditions...........................4 4.2 Switchgear Assembly....................... 4 4.3 Additional e!uirements "or Arc#esistant Switchgear $ 4.4 Power Circuit %rea&ers.................... ' 4.( %us )or&........................................ 11 4.* +oltage ,rans"ormers.....................12 4.$ Control Power ,rans"ormers..........12 4.' Current ,rans"ormers.....................13 4.- Control evices/ Indicating 0ights and etering 13 4.1 Protective elaying........................ 1( 4.11 %rea&er Interloc&ing and ,rans"er Schemes 1* 4.12 Space eaters...............................1* 4.13 )iring and ,erminations.................1$ 4.14 %us ucts and Cable %us..............14.1( ameplates.................................... 14.1* 5inish............................................. 2
Process Industry Practices
Page 1 of 25
4.1$ Secondary System 6rounding..... ..21 4.1' Accessories.................................... 21 4.1- Shipping......................................... 21 4.2 Inspection and ,esting....................22 4.21 ocumentation............................... 23 4.22 Con"lict esolution......................... 2(
COMPLETE REVISION PIP ELSSG01 Design and Fabrication of Low-o!tage "eta!-Enc!osed #$ Power $ircuit %rea&er Switc'gear October 2010
1(
Introd$ction 1(1
P$r.ose Tis Practice !ro*ides re$uirements for desi&n" fa#rication" and testin& of metal>enclosed" lo,>*olta&e AC !o,er circuit #rea-er s,itc&ear assem#lies(
1()
Sco.e Tis Practice descri#es te re$uirements for metal>enclosed !o,er s,itc&ear assem#lies em!loyed in tree>!ase AC electrical systems a*in& a *olta&e not &reater tan ?888 *olts and located in a nonclassified area(
)(
References A!!lica#le !arts of te follo,in& Practices and industry codes and standards sall #e considered an inte&ral !art of tis Practice( Te edition in effect on te date of contract a,ard sall #e used" e%ce!t as oter,ise noted( Sort titles are used erein ,ere a!!ro!riate(
)(1
Process Ind$str/ Practices PIP @ PIP E6S)D8? > Design and Fabrication o !etal"#nclosed $onsegregated"%&ase 'us Duct (ssemblies @ PIP E6S)D8?D > Data S&eet or Design and Fabrication o !etal"#nclosed $onsegregated"%&ase 'us Duct (ssemblies @ PIP E6SS8? > Design and Fabrication o )ig&"Resistance *rounding S+stem ,-00 .olts or belo/ @ PIP E6SS8?D > Data S&eet or Design and Fabrication o )ig&"Resistance *rounding S+stem ,-00 .olts or belo/ @ PIP E6SS8?D > Data S&eet or Design and Fabrication o o/".oltage !etal" #nclosed (C %o/er Circuit 'reaer S/itc&gear @ PIP E6SS?4 > Design and Fabrication o Outdoor #nclosures or !otor Controllers and S/itc&gear
)()
Ind$str/ Codes and Standards •
American National Standards Institute" Inc( 0ANSI1 @ ANSI C29(?B > o/".oltage %o/er Circuit 'reaers and (C %o/er Circuit %rotectors3%reerred Ratings Related Re5uirements and (pplication Recommendations @ ANSI C29(?9 > 6rip Devices or (C and *eneral %urpose DC o/".oltage %o/er Circuit 'reaers @ ANSI C29(58 > S/itc&gear " o/".oltage (C %o/er Circuit 'reaers sed in #nclosures " 6est %rocedures @ ANSI 525(7 > (merican $ational Standard or %roduct Saet+ Signs and abels
•
American Society for Testin& ;aterials 0AST;1 @ AST; D?525>8: > Standard %ractice or Speci+ing Code b+ t&e !unsell S+stem
•
International Code Council 0ICC1 @ I)C > International 'uilding Code
Page ( of 25
Process Industry Practices
COMPLETE REVISION
PIP ELSSG01 Design and Fabrication of Low-o!tage "eta!-Enc!osed #$ Power $ircuit %rea&er Switc'gear
October 2010 •
Institute of Electrical and Electronic En&ineers 0IEEE1 @ IEEE C29(?2 > Standard or o/".oltage (C %o/er Circuit 'reaers sed in #nclosures @ IEEE C 29(48(? > Standard or !etal"#nclosed o/".oltage %o/er Circuit"'reaer S/itc&gear @ IEEE C 29(48(9 > I### *uide or 6esting !etal"#nclosed S/itc&gear Rated p to 8 . or Internal (rcing Faults @ IEEE C29(4? > Standard or Control S/itc&boards
•
Under,riters 6a#oratories 0U61 @ U6 ?55: > Standard or Saet+ !etal"#nclosed o/".oltage %o/er Circuit 'reaer S/itc&gear
*(
Definitions arc resistant accessibilit+ 6+pe 1: E$ui!ment ,it arc>resistant desi&ns or features at te freely accessi#le front of te e$ui!ment only arc resistant accessibilit+ 6+pe 1': E$ui!ment ,it arc>resistant desi&ns or features at te freely accessi#le front of te e$ui!ment only" and te additional re$uirements of ANSI C29(48(9 Anne% A" for e$ui!ment if normal o!eration of te e$ui!ment in*ol*es o!enin& te door or co*er of com!artments s!ecifically identified as 6o, olta&e Control or Instrumentation com!artments arc resistant accessibilit+ 6+pe 1C: E$ui!ment ,it arc>resistant desi&ns or features at te freely accessi#le front of te e$ui!ment only" and te additional re$uirements of ANSI C29(48(9 Anne% A" ,ic are intended to reduce te collateral dama&e to ad'acent com!artments and e$ui!ment" and sould not #e inter!reted to indicate any additional de&ree of !rotection for !ersonnel arc resistant accessibilit+ 6+pe 2: E$ui!ment ,it arc>resistant desi&ns or features at te freely accessi#le e%terior 0i(e(" front" #ac-" and sides1 of te e$ui!ment only (rc resistant accessibilit+ 6+pe 2': E$ui!ment ,it arc>resistant desi&ns or features at te freely accessi#le e%terior 0i(e(" front" #ac-" and sides1 of te e$ui!ment only" and te additional re$uirements of ANSI C29(48(9 Anne% A" for e$ui!ment if normal o!eration of te e$ui!ment in*ol*es o!enin& te door or co*er of com!artments s!ecifically identified as 6o, olta&e Control or Instrumentation com!artments arc resistant accessibilit+ 6+pe 2C: E$ui!ment ,it arc>resistant desi&ns or features at te freely accessi#le e%terior 0i(e(" front" #ac-" and sides1 of te e$ui!ment only" and te additional re$uirements of ANSI C29(48(9 Anne% A" ,ic are intended to reduce te collateral dama&e to ad'acent com!artments and e$ui!ment" and sould not #e inter!reted to indicate any additional de&ree of !rotection for !ersonnel arc resistant e5uipment: E$ui!ment desi&ned to ,itstand te effects of an internal arcin& fault" in accordance ,it te test re$uirements of ANSI C29(48(9 internal arcing ault: An unintentional discar&e of electrical ener&y in air ,itin te confines of an electrical e$ui!ment enclosure o/ner: Te !arty ,o o,ns te facility ,erein te lo, *olta&e metal>enclosed s,itc&ear ,ill #e used
COMPLETE REVISION PIP ELSSG01 Design and Fabrication of Low-o!tage "eta!-Enc!osed #$ Power $ircuit %rea&er Switc'gear October 2010
purc&aser: Te !arty ,o a,ards te contract to te su!!lier( Te !urcaser may #e te o,ner or te o,ner*olta&e metal>enclosed AC !o,er circuit #rea-er s,itc&ear
+(
Re,$ire-ents +(1
Ser2ice Conditions 7(?(?
Unless oter,ise s!ecified on te !urcaser
Am#ient conditions ,itin te limits of >28C 0>?:F1 and 78C 0?87F1
#( Altitude of installation does not e%ceed ?888 m 02288 feet1 c( 7(?(4
+()
Page ) of 25
.umidity ,itin te limits of 8 > 35G non>condensin&
Seismic re$uirements sall #e as s!ecified on te !urcaser
Sitc'gear #sse-b"/ 7(4(?
Te s,itc&ear assem#ly sall consist of metal>enclosed freestandin& self> *entilated *ertical steel structures containin& !o,er #uses" a &round #us" lo,> *olta&e !o,er circuit #rea-ers" and au%iliary control de*ices in accordance ,it te attaced !urcaserline dia&ram0s1(
7(4(4
Te s,itc&ear sall #e desi&ned suc tat te #rea-ers can #e tri!!ed and closed and te #rea-er !osition can #e *ie,ed ,it te doors closed( Refer to section 7(2(2 for #rea-er o!eration(
7(4(2
All enclosures sall #e fa#ricated from freestandin& steel frames" steel !anels" and doors to !ro*ide a stron& and ri&id structure( Te desi&n sall allo, te s,itc&ear to #e rolled across a floor on !i!es or oter means ,itout causin& te structure to deform or oter,ise #e dama&ed(
7(4(7
Enclosure !anel and doors sall #e ?7>&a&e minimum tic-ness(
7(4(5
Unless oter,ise s!ecified on te !urcaser
7(4(B
Enclosures for outdoor ser*ice sall #e in accordance ,it %I% #SS*12(
7(4(9
;a%imum num#er of feeder circuit #rea-ers in eac *ertical section sall #e as indicated in te !urcaser
7(4(:
All #olted doors and remo*a#le !anels sall #e secured ,it ca!ti*e slotted fasteners or macine scre,s or macine #olts en&a&in& ca!ti*e nuts or ta!!ed oles in structural mem#ers( All fasteners sall em!loy *i#ration>resistant de*ices( Self>ta!!in& seet metal scre,s sall not #e !ermitted(
Process Industry Practices
COMPLETE REVISION October 2010
PIP ELSSG01 Design and Fabrication of Low-o!tage "eta!-Enc!osed #$ Power $ircuit %rea&er Switc'gear
7(4(3
Unless oter,ise s!ecified on te !urcaser
7(4(?8 +en rear access doors are s!ecified on te !urcaser ei&t doors( 7(4(?4 Pro*isions sall #e made for te addition of *ertical sections ,it future #rea-ers at o!en ends of te line>u!( Tis sall include remo*a#le !lates or side seets furnised on te end of *ertical sections( 7(4(?2 )rea-er com!artment doors sall a*e door andle latces and sall remain closed ,en rac-in& te #rea-er to any of tree !ositions disconnected" test or connected( )rea-er com!artment doors sall not a*e *entilation lou*ers( 7(4(?7 )rea-er com!artments sall #e furnised ,it a mecanism ,ic ,ill mo*e te #rea-er #et,een te connected" test and disconnected !ositions( Te mecanism sall #e desi&ned so tat te #rea-ers ,ill #e self>ali&nin& and ,ill #e eld ri&idly in te o!eratin& !osition ,itout te necessity of loc-in& #ars or #olts( 7(4(?5 From te disconnect !osition te #rea-er sall #e easily remo*a#le from te com!artment ,itout furter disassem#ly or te use of s!ecial tools oter tan a #rea-er lift de*ice( 7(4(?B Pro*isions sall #e made for !adloc-in& #rea-ers in te test and disconnected !ositions( Padloc-in& sall not interfere ,it remo*al or o!eration of te #rea-er or its mecanism( 7(4(?9 In dou#le>ended s,itc&ear" eac main and tie #rea-er sall #e in se!arate *ertical sections( Comment: Tis does not !reclude meterin&" au%iliary e$ui!ment" or a feeder #rea-er #ein& in te same *ertical section ,it te main #rea-er or tie #rea-er( 7(4(?: Te !urcaser sall #e notified of any #rea-er>deratin& factors caused #y am#ient conditions and te cumulati*e circuit loads in te *ertical sections ,it multi!le #rea-ers in accordance ,it I### C87<20<1 > 4884" Section :(7( 7(4(?3 +en s!ecified on te !urcaserline dia&ram( S!aces sall #e of tree ty!es e$ui!!ed" une$ui!!ed" and #lan-( S!aces sall #e confi&ured as follo,s
COMPLETE REVISION PIP ELSSG01 Design and Fabrication of Low-o!tage "eta!-Enc!osed #$ Power $ircuit %rea&er Switc'gear October 2010
a(
E$ui!!ed s!aces sall #e ca!a#le of #ein& modified to add future circuit #rea-ers of te same am!ere ratin& ,itout sutdo,n of te s,itc&ear(
#( E$ui!!ed s!aces sall #e furnised ,it all ard,are" ,irin&" doors" and miscellaneous e$ui!ment includin& current transformers and monitorin& de*ices re$uired to !ermit com!letion of te unit #y te addition of only a circuit #rea-er( c(
Une$ui!!ed s!aces sall #e !ro*ided ,it doors #ut ,itout oter e$ui!ment for future use e%ce!t te !o,er sta#s( Une$ui!!ed s!aces sall not #e used for mountin& control s,itces and oter au%iliary e$ui!ment(
d( Po,er sta#s 0#ot line and load side1 sall #e !ro*ided ,it co*ers to !re*ent accidental contact ,it li*e !arts ,en door is o!ened( e(
)lan- s!aces sall #e com!letely em!ty cu#icles ,it doors #ut ,itout !o,er sta#s or oter e$ui!ment(
7(4(44 Unless oter,ise s!ecified on te !urcaserty!e 6ED lam!s and colored lens( 7(4(28 S,itc&ear sall #e !ro*ided ,it remo*a#le liftin& eyes or an&les for andlin& durin& installation( 7(4(2? If s!ecified on te !urcaser
Page * of 25
Process Industry Practices
COMPLETE REVISION October 2010
PIP ELSSG01 Design and Fabrication of Low-o!tage "eta!-Enc!osed #$ Power $ircuit %rea&er Switc'gear
7(4(24 If s!ecified on te !urcaser
+(*
#dditiona" Re,$ire-ents for #rc!Resistant Sitc'gear 7(2(?
If s!ecified on te !urcaserresistant desi&n as descri#ed #elo,(
7(2(4
S,itc&ear sall #e tested in accordance ,it I### C87<20<7 (
7(2(2
Unless oter,ise s!ecified on te !urcaserresistant construction Ty!e 4 0s,itc&ear ,it arc> resistant construction at front" rear" and sides1(
7(2(7
A ,ritten certificate of successful ty!e testin&" includin& all te !arameters used in te testin&" sall #e su#mitted to te !urcaser( Testin& sall #e #ased on !ros!ecti*e current of te i&est rated circuit #rea-er ,itout insertion of any current limitin& de*ice in te test circuit(
7(2(5
S,itc&ear sall #e desi&ned for closed door rac-in&( Arc>resistant inte&rity sall #e maintained durin& closed door rac-in&(
7(2(B
Instrument com!artment door0s1 sall #e desi&ned and tested to allo, te com!artment door to #e o!ened ,itout affectin& te arc>resistant ratin& of te s,itc&ear(
7(2(9
Te front and rear com!artment doors sall #e desi&ned to ,itstand te effects of an internal arcin& fault(
7(2(:
Instrument com!artment sall a*e steel in&ed doors tat are in accordance ,it I### C87<20<7 testin& re$uirements(
7(2(3
Te desi&n of o!enin&s sall !ass te re$uirements of I### C87<20<7 " ,it res!ect to te emission of arc=flas !roducts(
7(2(?8 O!enin&s intended to close on initiation of a fault to !reser*e arc>resistant construction sall #e !ro*ided ,it te necessary &uards on to! and sides to !re*ent dro!!in& of any forei&n material tat can !re*ent o!enin&s from closin&( 7(2(?? Desi&n and construction of te s,itc&ear sall !re*ent effects of any fault in te circuit #rea-er and #us com!artments from enterin& te instrument co m!artment( 7(2(?4 All o!enin& co*er !lates !ro*ided to !reser*e arc>resistant construction sall #e accessi#le for ins!ection( 7(2(?2 ;eans to manually tri! te #rea-er ,itout re$uirin& o!enin& te door and com!romisin& te inte&rity of arc>resistant construction sall #e !ro*ided( 7(2(?7 Pro*isions for closed door manual rac-in& of te circuit #rea-er ,ile maintainin& te inte&rity of arc>resistant construction sall #e !ro*ided( 7(2(?5 A sin&le>andle latc system ,it !osition la#elin& and !ro*ision for !adloc-in& sall #e !ro*ided on eac door suc tat arc>resistant inte&rity is maintained ,en te latc is in closed !osition( Additional tie do,n #olts are acce!ta#le on te doors to maintain arc resistant construction(
COMPLETE REVISION PIP ELSSG01 Design and Fabrication of Low-o!tage "eta!-Enc!osed #$ Power $ircuit %rea&er Switc'gear October 2010
7(2(?B Personnel sall #e !rotected from arc !roducts and noise e%!elled from te s,itc&ear enclosure( Unless oter,ise s!ecified on te !urcaser
Plenum system sall e%aust arc !roducts from te s,itc&ear room(
#( E%aust outlet sall #e ,eater!roof and directed to an area tat minimizes !ersonnel e%!osure( c(
Plenum minimum *olume sall #e tested and certified in accordance ,it I### C87<20<7 (
d( Plenum sall #e se!arate from oter !lenum systems( If a com#ined !lenum system is desired" manufacturer0s1 sall analyze and certify te com#ined !lenum system desi&n(
+(+
Page 10 of 25
Poer Circ$it %rea&ers 7(7(?
6o,>*olta&e !o,er circuit #rea-ers sall #e air #rea- ty!e and sall #e desi&ned" rated" manufactured" and tested in accordance ,it I### C87<18 ($SI C87<1- ($SI C87<17 " and ($SI C87<=0(
7(7(4
)rea-ers sall #e of te stored>ener&y ty!e ,it standard dra,>out construction for #ot !o,er and control circuits( )rea-ers sall #e tree>!ole and com!lete ,it necessary o!eratin& mecanisms(
7(7(2
)rea-ers sall #e o!erated electrically or manually as s!ecified on te !urcaser
7(7(7
Circuit #rea-ers sall a*e continuous current ratin&s as s!ecified on te !urcaser
7(7(5
Circuit #rea-er sall a*e a ma%imum interru!tin& time of 5 cycles" e%cludin& sensin& mecanism time(
7(7(B
Closin& and tri!!in& circuits sall #e indi*idually !rotected ,itin eac #rea-er com!artment #y fuses( +en s!ecified on te !urcaser
7(7(9
Sensor=solid state !rotecti*e de*ices sall #e !ro*ided ,it a metod of easily and $uic-ly can&in& ratin&s #y ,ay of sensor ta!s or oter means" suc as #rea-er am!ere ratin& !lu&s" so a #rea-er continuous ratin& can #e can&ed for alternate ser*ice( endor sall !ro*ide details of te metod to #e em!loyed ,it te !ro!osal(
7(7(:
+en s!ecified on te !urcaserclose1 #y a !istol &ri!>ty!e s,itc ,ic is &rou!>mounted ,it oter #rea-ers on an au%iliary com!artment door( 6aminated !lastic name!lates sall #e !ro*ided a#o*e li&ts definin& function and a#o*e &rou! of li&ts and s,itc to indicate ser*ice of #rea-er(
7(7(3
Unless oter,ise s!ecified on te !urcaser actin& o*ercurrent tri! de*ices sall #e solid state R;S sensin&" and sall
Process Industry Practices
COMPLETE REVISION October 2010
PIP ELSSG01 Design and Fabrication of Low-o!tage "eta!-Enc!osed #$ Power $ircuit %rea&er Switc'gear
incor!orate time delay caracteristics as s!ecified on te !urcaserlimitin& fuses sall #e !ro*ided to e%tend te #rea-er ratin& and sall cause te #rea-er to tri! if any of te fuses o!erate( Te !urcaser sall #e notified if tese fuses are re$uired( 7(7(?2 Eac lo,>*olta&e !o,er circuit #rea-er or eac #rea-er in com#ination ,it current>limitin& fuses sall #e ca!a#le of interru!tin& te a*aila#le sort>circuit current in accordance ,it te !urcaserty!e circuit #rea-er element( 7(7(?5 Te circuit #rea-ers sall #e e$ui!!ed ,it secondary disconnectin& contacts ,ic automatically en&a&e in te ousin& soc-ets in te o!eratin& and test !ositions( All ,irin& from te remo*a#le #rea-er element to te stationary structure sall !ass trou& self>ali&nin& disconnect de*ices( 7(7(?B )rea-er o!eratin& controls and indicators sall include electrical=mecanical !ro*isions for tri! and close" o!en=close indicator" and car&e=discar&e indicator( Te o!en=closed indicator0s1 sall #e *isi#le from te front of te e$ui!ment ,en te #rea-er is in te o!eratin& or disconnected=test !osition0s1( 7(7(?9 An o!erations counter sall #e furnised for eac #rea-er ,en s!ecified on te !urcaserfree stored ener&y o!eratin& mecanism( Unless oter,ise s!ecified on te !urcaser!um!in&( +en s!ecified on te !urcaser
COMPLETE REVISION PIP ELSSG01 Design and Fabrication of Low-o!tage "eta!-Enc!osed #$ Power $ircuit %rea&er Switc'gear October 2010
7(7(44 If a remote control !anel is s!ecified" !ro*isions for connection of remote indicatin& li&ts sall #e !ro*ided at terminal #loc-s( 7(7(42 If a remote control !anel is s!ecified on te !urcaser
Confi&ured as so,n on a layout s-etc furnised #y te !urcaser
#( Contain control s,itces" meterin&" mimic #us" and any oter de*ices s!ecified #y te !urcaser and so,n on la yout s-etc c(
As a minimum" te mimic #us sall so, #us,or-" circuit #rea-ers" su!!ly sources" load descri!tions" *olta&e transformers" and current transformers( ?( )rea-er control s,itces sall #e located #eside te #rea-er sym#ol( 4( De*ices sall #e la#eled usin& en&ra*ed laminated !lastic( 2( Te mimic #us,or- and com!onents sall #e attaced ,it stainless steel scre,s(
d( All au%iliary com!onents used in te control !anel sall #e in accordance ,it te same re$uirements as if te com!onents ,ere in te main s,itc&ear( e(
Terminal stri!s sall #e mounted inside te control !anel ,it terminal desi&nations matcin& tose of te corres!ondin& terminal stri!s in te main s,itc&ear( All connections sall #e #rou&t to te terminal stri!s(
7(7(47 If a and>eld control station is s!ecified on te !urcaser
Te control station sall a*e t,o &uarded !us#uttons" a &reen #utton for o!enin& and a red #utton for closin&(
#( A matcin& rece!tacle com!lete ,it a treaded co*er sall #e installed in te #rea-er com!artment door(
+(3
Page 12 of 25
%$s 4or& 7(5(?
Unless oter,ise s!ecified on te !urcaser
7(5(4
Unless oter,ise s!ecified on te data seets" te main #uses" *ertical #uses and ca#le com!artments sall #e com!letely isolated from eac oter(
7(5(2
Unless oter,ise s!ecified on te !urcaserta!ered co!!er(
7(5(7
Te #rea-er !rimary disconnect assem#lies" includin& #us and fin&ers" sall #e constructed of co!!er(
7(5(5
Unless oter,ise s!ecified on te !urcaser !lated(
Process Industry Practices
COMPLETE REVISION October 2010
PIP ELSSG01 Design and Fabrication of Low-o!tage "eta!-Enc!osed #$ Power $ircuit %rea&er Switc'gear
7(5(B
All orizontal and *ertical #us and #us su!!orts sall #e desi&ned and #raced to ,itstand te sort>circuit current s!ecified on te !urcaser
7(5(9
)uses and ta!s of feeder circuit #rea-ers sall #e rated to carry te ma%imum ratin& of te #rea-er" not of te current transformer or sensor ratin&(
7(5(:
+en s!ecified on te !urcaser)>C and located A>)>C readin& left to ri&t" to! to #ottom" or front to rear ,en *ie,ed from te front of te assem#ly( Pasin& of #uses sall #e !ysically and !ermanently la#eled at all !urcaser connection !oints ,it a minimum of ?>inc i& letters
7(5(3
A ?=7>inc #y 4>inc minimum co!!er &round #us sall #e !ro*ided at te rear and for te entire len&t of te assem#ly( a(
Te #us sall #e drilled at eac end for a NE;A t,o>ole lu&(
#( round #us 'oints sall #e solidly #olted( c(
Self>ta!!in& #olts and scre,s sall not #e used(
d( If s!ecified on te !urcaser
If s!ecified on te !urcaser drilled oles sall #e !ro*ided for customer connections( 6ocations of additional oles sall #e determined durin& dra,in& a!!ro*al(
f(
round #us sall #e run trou& or into te !o,er ca#le termination com!artment and #e drilled for connection of !urcaser
7(5(?8 Te &round #us sall #e firmly secured in eac *ertical section( 7(5(?? Te main #uses" &round #uses" and control !o,er #uses sall #e arran&ed and drilled for !ossi#le future e%tension( 7(5(?4 If a neutral #us is s!ecified on te !urcaser#ronze ard,are" includin& #olts" loc-in& ,asers" and nuts or 'am nuts( 7(5(?5 Connections sall #e made ,it a minimum of t,o #olts( 7(5(?B )us connections ,it contact area of 3 s$uare inces 05:88 mm 41 or 4888 am!eres or i&er sall a*e a minimum of four #olts( 7(5(?9 All #us#ar 'oints sall #e fully accessi#le for field ti&tenin& of #olts( 7(5(?: A la#el sall #e !osted inside eac section listin& tor$ue re$uirements for #olted connections(
+(5
Vo"tage Transfor-ers 7(B(?
olta&e and confi&uration sall #e as s!ecified on te !urcaserline dia&ram and %I% #SS*01D Data Seet(
COMPLETE REVISION PIP ELSSG01 Design and Fabrication of Low-o!tage "eta!-Enc!osed #$ Power $ircuit %rea&er Switc'gear October 2010
7(B(4
olta&e transformers for meterin& or !rotecti*e relayin& !ur!oses sall #e !rotected #y disconnectin&>ty!e current>limitin& !rimary fuses(
7(B(2
Secondary *olta&e sall #e ?48 *olts" ,it !rimary *olta&e as s!ecified on te one>line dia&ram(
7(B(7
olta&e transformers sall #e cast resin insulated or a!!ro*ed e$ual(
7(B(5
Eac transformer sall a*e a fused secondary ,indin&( 7(B(5(? Secondary fuses sall #e located in te lo,>*olta&e control com!artment( 7(B(5(4 Fuse olders sall #e la#eled to indicate size and ty!e of fuse and to identify te transformer 0e(&(" Pase HA PT1(
+(6
+(7
Page 1( of 25
Contro" Poer Transfor-ers 7(9(?
Te !rimary fuses sall coordinate ,it te ma&netizin& inrus current and te secondary !rotection of te control !o,er transformer(
7(9(4
Te -A ratin& of te control !o,er transformer0s1 sall #e determined" ta-in& into account any additional loads e%ternal to te s,itc&ear s!ecified on te !urcaser
7(9(2
A form C contact sall #e !ro*ided for remote alarmin& of any loss of control !o,er(
7(9(7
Secondary *olta&e sall #e 478=?48 *olts" ,it !rimary *olta&e as s!ecified on te one>line dia&ram(
7(9(5
Primary and secondary ,indin&s sall #e !rotected #y disconnect>ty!e current> limitin& fuses(
7(9(B
Transformers sall #e located in te lo,>*olta&e control com!artment(
C$rrent Transfor-ers 7(:(?
Current transformers 0CT1 for meterin& or !rotecti*e relayin& !ur!oses sall #e rated in accordance ,it !urcaserline dia&ram(
7(:(4
CT
7(:(2
All CT
7(:(7
Current transformers for use in s,itc&ear sall #e suita#le for use ,it an internal enclosure air tem!erature of at least 55C 0?2?F1(
7(:(5
CT
7(:(B
CT o!eration due to saturation at te fault current s!ecified on te !urcaser
Process Industry Practices
COMPLETE REVISION October 2010
PIP ELSSG01 Design and Fabrication of Low-o!tage "eta!-Enc!osed #$ Power $ircuit %rea&er Switc'gear
7(:(9
CT !olarity mar-er sall #e *isi#le from te front of te s,itc&ear ,it sutters o!en or rear of te s,itc&ear ,it te door or !anel o!en(
7(:(:
CT
7(:(3
All current transformers used in differential or !artial differential scemes sall #e te same ta! ratio" sall a*e com!ati#le e%citation and saturation caracteristics and sall conform to te relay manufacturers< re$uirements( ;ulti>ratio CT
7(:(?8 Te secondary side of current transformers sall #e &rounded on one side trou& a remo*a#le lin-( +ere current transformers are connected in star" te star !oint sall #e &rounded trou& a remo*a#le lin- at one !oint only( round connections sall #e made at te first terminal 0sort>circuitin& ty!e1 #loc- and not at te current transformer( 7(:(?? +ere matcin& current transformers are re$uired to #e mounted on oter e$ui!ment" tey sall #e su!!lied to dimensions !ro*ided #y te !urcaser(
+(8
Contro" De2ices9 Indicating Lig'ts and Metering 7(3(?
If s!ecified on te !urcasera!!ro*ed e$ual( 7(3(?(? Selector ty!e control s,itces sall a*e o*al andles( 7(3(?(4 Circuit #rea-er control s,itces sall a*e H!istol &ri! andles( 7(3(?(2 6oc-out relay 0De*ice :B1 sall #e manually reset ty!e ,it o*al or !istol &ri! andles( 7(3(?(7 Unless oter,ise s!ecified on te !urcaser!osition rotary ty!e( Ammeter s,itces sall #e te four>!osition rotary ty!e(
7(3(4
+en &rou!ed #rea-er control s,itces are s!ecified on !urcaser
7(3(2
Test s,itces to isolate !otential and current in!uts sall #e !ro*ided to allo, safe remo*al for cali#ration and re!airs if s!ecified on te !urcaser? or a!!ro*ed e$ual( 7(3(2(4 Eac test 'ac- sall #e ,ired to !ro*ide tree>!ase #us !otential and tree>!ase line current for field monitorin& and sall #e ,ired in te current circuits( 7(3(2(2 Te #lades of all test s,itces sall #e de>ener&ized ,en o!en(
7(3(7
If s!ecified on te !urcaser
COMPLETE REVISION PIP ELSSG01 Design and Fabrication of Low-o!tage "eta!-Enc!osed #$ Power $ircuit %rea&er Switc'gear October 2010
7(3(5
If s!ecified on te !urcaser
Te red 6ED on ,en te #rea-er is closed indicates tri! coil continuity and control !o,er to tri! circuit(
#( Te &reen 6ED on ,en te #rea-er is o!en indicates tri! circuit control !o,er fuses are not #urned out( 7(3(B
If s!ecified on te !urcaser
7(3(9
Indicatin& li&ts sall #e cluster ty!e 6ED lam!s ,it front re!lacea#le lam!s and colored ca!s( Te dro!!in& resistor" if re$uired" sall #e inte&ral ,it te li&ts and not mounted e%ternal to te li&ts( Pus to test li&ts sall #e !ro*ided if s!ecified on te !urcaser
7(3(:
S,itc&ear meterin& sall #e !ro*ided in accordance ,it te !urcaserty!e meterin& is s!ecified on te !urcaserde&ree>scale s,itc#oard ty!e" ?G accuracy" 7>?=4 inc s$uare" and flus mounted( 7(3(:(7 Control !o,er for micro!rocessor>ty!e meterin& sall #e as s!ecified on te !urcaser
Page 1) of 25
Process Industry Practices
COMPLETE REVISION October 2010
PIP ELSSG01 Design and Fabrication of Low-o!tage "eta!-Enc!osed #$ Power $ircuit %rea&er Switc'gear
,en tri!s are re!orted" and te current *alue at te time of te tri! if te tri! ,as due to an o*ercurrent( 7(3(3
+(10
If s!ecified on te !urcaser
Protecti2e Re"a/ing 7(?8(? Relayin& sall #e as s!ecified on te one>line dia&ram or on attacments or as s!ecified on te !urcaserline dia&ram or !urcasercircuitin& te current transformer secondaries or causin& !rotecti*e relays to o!erate( 7(?8(B(2 Relays tat cannot #e ,itdra,n sall a*e !ro*isions for testin& and cali#ratin& te relay usin& an e%ternal !o,er source ,itout te need to disconnect !ermanent ,irin&( 7(?8(B(7 E%ce!t for solid state relays inte&ral ,it te #rea-ers" all !rotecti*e relay functions sall #e !ro*ided ,it and reset fla& indicators" ,ic can #e reset from te outside ,itout te need to o!en te relay case( All fla& indicators sall #e *isi#le from te front of te relay !anel ,itout te need to o!en relay cases or !anel doors( 7(?8(B(5 +ere s!ecified on data seets or dra,in&s" selected circuit #rea-ers sall a*e manually reset loc-out de*ices 0de*ice :B1 mounted on #rea-er control doors to !re*ent circuit #rea-ers from #ein& closed follo,in& a tri! actuated #y !rotecti*e relays until te loc-out relay is manually reset( Eac loc-out relay sall #e furnised ,it a ,ite indicatin& li&t ,ired to monitor te loc-out relay o!eratin& coil inte&rity and tri! *olta&e a*aila#ility(
COMPLETE REVISION PIP ELSSG01 Design and Fabrication of Low-o!tage "eta!-Enc!osed #$ Power $ircuit %rea&er Switc'gear October 2010
+(11
%rea&er Inter"oc&ing and Transfer Sc'e-es 7(??(? If a #rea-er interloc-in& sceme is s!ecified on te !urcaserline dia&ram" te sceme sall #e arran&ed to o!erate as s!ecified on te dia&ram and any su!!lemental descri!tions furnised #y te !urcaser( 7(??(4 A transfer sceme sall #e !ro*ided if s!ecified on te !urcaser line dia&rams and %I% #SS*04( 7(??(2 A zone interloc-in& sceme sall #e !ro*ided if s!ecified on !urcaser
+(1)
S.ace :eaters 7(?4(? Unless oter,ise s!ecified on te !urcaseroff insulator and !ro*ided ,it an e%!anded metal ca&e for !ersonnel !rotection( 7(?4(5 A ,arnin& name!late sall #e !ro*ided on te door of eac cu#icle tat contains s!ace eaters( Te name!late sall a*e #lac- en&ra*in& on oran&e #ac-&round( Te name!late sall read J+ARNIN EKTERNA6 PO+ER SOURCE<( 7(?4(B An o*er>current !rotection=disconnect for eac s!ace eater circuit sall #e !ro*ided in eac *ertical section( 7(?4(9 If s!ecified on te !urcaser*olt system(
+(1*
4iring and Ter-inations 7(?2(? Control ,irin& sall #e flame retardant" B88>*olt" ty!e SIS s,itc#oard co!!er ,ire 0or an e$ui*alent in accordance ,it I### C87<20<1 > 4884" Section 9(?(2(?(71 and sall #e continuous from terminal to terminal ,itout s!lices( 7(?2(?(? 6oc-in& for->ty!e lu&s sall #e !ro*ided( 7(?2(?(4 ;inimum conductor size sall #e ?7 A+(
Page 1* of 25
Process Industry Practices
COMPLETE REVISION October 2010
PIP ELSSG01 Design and Fabrication of Low-o!tage "eta!-Enc!osed #$ Power $ircuit %rea&er Switc'gear
7(?2(4 +irin& #et,een sections sall #e run trou& s!ecial ,irin& race,ays or o!enin&s desi&ned for tis !ur!ose( +irin& installed from te front control section to a rear ca#le com!artment or ,ic must !ass trou& te #us area sall #e installed in a ,irin& race,ay es!ecially desi&ned for tis !ur!ose( 7(?2(2 A se!arate control !o,er #us sall #e furnised for eac #us section( Te control !o,er #us sall #e s!lit at tie #rea-ers0s1( 7(?2(7 +irin& for current transformer secondary leads sall #e crim!ed in self>insulated rin&>ty!e lu&s and terminated on sortin& scre,>ty!e terminal #loc-s at te first connection after te transformer( Unless oter,ise s!ecified on te !urcaserty!e su!!orts sall not #e !ermitted( 7(?2(B +irin& sall #e connected to only one side of all field ,irin& terminal #loc-s( 7(?2(B(? Terminal #loc-s for field ,irin& to #rea-ers and for any transfer sceme sall not #e located in te rear load terminal com!artments( 7(?2(B(4 Terminal #loc-s for internal and e%ternal ,irin& sall #e se&re&ated( 7(?2(9 Circuits and terminals o!eratin& at different *olta&es and=or !erformin& different functions sall #e se&re&ated on se!arate terminal #loc-s( Purcaser terminations sall #e on se!arate #loc-s and se!arated #y *olta&e and ty!e of use( Su!!lier utilized terminal #loc-s sall not a*e different *olta&e le*els on ad'acent terminals( 7(?2(: All e%ternally !o,ered ,irin& to te s,itc&ear line>u! units sall #e &rou!ed to&eter as muc as !ossi#le and connected to a terminal #loc- la#eled in accordance ,it Section 7(?7( rou!in& sall #e a&reed #et,een !urcaser and su!!lier( 7(?2(3 Terminal #loc-s sall #e !ro*ided and clearly mar-ed includin& ,irin& #et,een si!!in& sections( All terminal #loc- &rou!s sall #e la#eled and all terminals in a &rou! sall #e !ermanently num#ered or identified( Identification sall matc su!!lier dra,in&s( 7(?2(?8 S!are terminal #loc-s sall #e !ro*ided in accordance ,it te !urcaser
COMPLETE REVISION PIP ELSSG01 Design and Fabrication of Low-o!tage "eta!-Enc!osed #$ Power $ircuit %rea&er Switc'gear October 2010
7(?2(??(2 A ma%imum of t,o ,ires may terminate at eac terminal( 7(?2(??(7 Terminal #loc-s sall #e arran&ed and !ositioned to !ro*ide easy access for carr yin& out e%ternal ca#le terminations" testin&" ins!ection" and maintenance( 7(?2(??(5 A minimum of 48G s!are terminals sall #e !ro*ided( 7(?2(?4 Te ends of eac ,ire sall #e ta&&ed ,it te ori&in and destination !oints( 7(?2(?4(? Eac ,ire sall #e !ermanently mar-ed at #ot ends in accordance ,it te ,irin& dia&rams( 7(?2(?4(4 All ,ires sall #e !ro!erly identified ,it eat>srin- ,ire mar-ers( 7(?2(?4(2 Adesi*e>#ac- ,ire mar-ers" la#els" and ,ire olders sall not #e !ermitted( 7(?2(?2 Eac circuit #rea-er" fuse #loc-" or isolatin& -nife s,itc sall #e clearly identified to indicate te source and its !ur!ose( 7(?2(?7 Fuse olders rated 28 am!eres or less" sall #e modular ty!e" dead front construction" rail or scre, !anel mountin&( 7(?2(?7(? If s!ecified on te !urcaser4 !rotection 0fin&er safe1( 7(?2(?5 Po,er ca#le lu&s sall #e furnised #y te !urcaser( 7(?2(?5(? Te #us drillin& sall #e for NE;A t,o>ole lu&s( 7(?2(?5(4 Te size and $uantity of ca#les sall #e as s!ecified on te one>line dia&ram or !urcaserline dia&rams( Particular attention sall #e &i*en to te s!ace and #endin& radii re$uired for lar&e !o,er ca#les( 7(?2(?9 Internal ca#le su!!orts sall #e !ro*ided ,itin te s,itc&ear to allo, ca#les to #e tied do,n #et,een entry !oint and termination !oint( 7(?2(?: Ca#le or #us terminals sall #e located in a ca#le termination com!artment and sall #e arran&ed to !ermit te termination and connection of ca#les ,itin te cu#icle s!ace( Te a*aila#le s!ace for terminations of !o,er ca#les sall #e ma%imized( 7(?2(?3 6ocations of ca#le entrances sall #e as s!ecified on te !urcaser
+(1+
%$s D$cts and Cab"e %$s 7(?7(? If s!ecified on te !urcaser
Page 20 of 25
Process Industry Practices
COMPLETE REVISION October 2010
PIP ELSSG01 Design and Fabrication of Low-o!tage "eta!-Enc!osed #$ Power $ircuit %rea&er Switc'gear
7(?7(4 Dimensions and details of transformer troats or oter e$ui!ment connections sall #e !ro*ided #y te !arty s!ecified on te !urcaser
+(13
Na-e."ates 7(?5(? Safety si&ns 0name!lates1 and la#els sall #e in accordance ,it ($SI >=8=<4( 7(?5(4 Permanent name!lates sall #e !ro*ided to identify eac circuit #rea-er" source disconnect !oint" instrument" instrument s,itc" rela y" and au%iliary com!onent and to identify all e$ui!ment and terminal #loc-s ,itin eac assem#ly( 7(?5(2 All name!lates" internal and e%ternal" sall #e made of laminated !lastic at least 2=24 inc tic-( 7(?5(7 E%ternal name!lates sall #e affi%ed ,it stainless steel ard,are( Internal name!lates may #e adesi*e ty!e( 7(?5(5 S,itc&ear assem#ly>identifyin& name!late may #e su!!lier
Purcaser
d( ;anufacturer
S,itc&ear desi&nation 0!urcaser
&( System *olta&e" !ases" ,ires ( System fre$uency i(
)us#ar ratin&
7(?5(B Door>mounted de*ices sall #e identified inside te com!artment" in addition to te e%ternal identification( 7(?5(9 Name!lates for eac circuit #rea-er com!artment sall #e ,ite ,it ?=7>inc> i& en&ra*ed #lac- letterin&( 7(?5(: +arnin& name!lates sall #e !ro*ided on eac com!artment door in ,ic an e%ternal *olta&e source is terminated( 6etterin& sall #e #lac- on oran&e #ac-&round and sall #e a minimum of ?=7 inc i&( Te name!late sall read J+ARNIN EKTERNA6 PO+ER SOURCE<( 7(?5(3 E$ui!ment ser*ice descri!tions sall #e as s!ecified on te !urcaserline dia&ram( 7(?5(?8 A B inc #y B inc 0?58 mm #y ?58 mm1 #lan- s!ace sall #e !ro*ided on cu#icle doors for installation of arc>flas ,arnin& la#els #y te !urcaser(
COMPLETE REVISION PIP ELSSG01 Design and Fabrication of Low-o!tage "eta!-Enc!osed #$ Power $ircuit %rea&er Switc'gear October 2010
+(15
Finis' 7(?B(? Unless oter,ise s!ecified on te !urcaser 8: 0;unsell notation :(2(B(?8=8(571( 7(?B(4 For outdoor and indoor ser*ice in noncorrosi*e en*ironments" te manufactureru! !aint for eac fi*e *ertical sections and for eac !aint color used sall #e furnised(
+(16
Secondar/ S/ste- Gro$nding 7(?9(? If s!ecified on te !urcaserresistance &roundin& system sall #e !ro*ided and incor!orated in te s,itc&ear assem#ly in accordance ,it %I% #S*S01( 7(?9(4 If s!ecified on te !urcaserline dia&ram(
+(17
#ccessories Te follo,in& s,itc&ear accessories sall #e !ro*ided a(
A #rea-er>liftin& de*ice !ro*ided at one !er s,itc&ear assem#ly( 6iftin& ca!acity sall #e so,n on te liftin& de*ice(
#( .and cran- or andle for mo*in& te #rea-er into te Hconnected" Htest" or Hdisconnected !osition c(
De*ice for manually car&in& te stored ener&y o!eratin& mecanism of electrically o!erated #rea-ers
d( Test !lu&s for dra,>out relays e(
+(18
Porta#le test -it for solid>state tri! units 0$uantity of -its as s!ecified on te !urcaser
S'i..ing 7(?3(? Unless oter,ise s!ecified on te re$uest for $uotation and=or !urcase order" !re!aration for si!ment sall #e in accordance ,it su!!lierframed si!!in& s-id( 7(?3(4 Eac si!!in& section sall #e e$ui!!ed ,it liftin& facilities so tat it may #e easily unloaded and andled #y crane(
Page 22 of 25
Process Industry Practices
COMPLETE REVISION October 2010
PIP ELSSG01 Design and Fabrication of Low-o!tage "eta!-Enc!osed #$ Power $ircuit %rea&er Switc'gear
7(?3(2 6oose e$ui!ment" suc as au%iliary test de*ices" carts" re!lacement !arts" manual o!eratin& andles" !ac-in& de*ices" etc(" sall #e a!!ro!riately !ac-a&ed" ta&&ed for easy identification" and secured for si!ment inside te s,itc&ear( 7(?3(7 All mo*in& !arts sall #e securely #loc-ed and #raced" contactors" and oter com!onents ,it mo*in& !arts tat mi&t #e dama&ed in si!ment( 7(?3(5 All tem!orary si!!in& #races sall #e !ainted yello, and mar-ed as so,n #elo,( RE;OE )EFORE ELUIP;ENT IS P6ACED IN SERICE 7(?3(B Instruction for stora&e of e$ui!ment sall #e attaced to te e$ui!ment( 7(?3(9 E$ui!ment sall #e !rotected from ,eater elements durin& si!!in&( As a minimum" ,en s,itc&ear is si!!ed #y o!en trans!ort it sall #e fully co*ered ,it a ea*y tar!( 7(?3(: Additional si!!in& and andlin& re$uirements tat a!!ear in te indi*idual e$ui!ment s!ecifications sall #e strictly adered to" if a!!lica#le( 7(?3(3 E$ui!ment sall #e desi&ned to #e si!!ed com!letely assem#led if !ractical( 7(?3(?8 If e$ui!ment is re$uired to #e disassem#led for si!ment" material and instructions sall #e !ro*ided for assem#lin& si!!in& sections" includin& ma-in& main !o,er #us connections at si!!in& s!lits( 7(?3(?? If te s,itc&ear is si!!ed in more tan one section" eac o!en si!!in& s!lit sall #e !rotected ,it !ly,ood or oter a!!ro*ed metod( 7(?3(?4 Pro*isions sall #e made to ener&ize s!ace eaters durin& stora&e( Tis re$uire> ment sall include ma-in& a connection !oint readily a*aila#le ,itout uncratin& te e$ui!ment( S!ace eater ,irin& sall #e e%tended to si!!in& s-id for connection to e%ternal !o,er durin& stora&e( Connection !oint sall #e la#eled as follo,s HFor connection to ?48>*olt AC to !o,er s!ace eaters durin& stora&e(
+()0
Ins.ection and Testing 7(48(? Te entire s,itc&ear sall #e electrically and mecanically assem#led into one sin&le line>u! #efore final testin&" ins!ection and si!ment( Te actual circuit #rea-ers to #e si!!ed ,it te order sall #e installed in te a!!ro!riate s,itc&ear sections( 7(48(4 E$ui!ment sall #e ins!ected to *erify conformance to tese s!ecifications and te a!!ro*al dra,in&s( All com!onents sall #e cec-ed( +irin& identification ,ill #e s!ot cec-ed( Se!aration of *olta&e le*els on terminal #loc-s ,ill #e *erified( Te su!!lier sall remo*e te sutters ,ic co*er te #rea-er sta#s so tat te CT ,irin& and CT !olarity may #e ins!ected( CT ,irin& sall #e ins!ected to *erify rin&>ton&ue lu&s a*e #een installed( 7(48(2 Cec- te ali&nment and !enetration of te #rea-er sta#s ,it #us connection and #rea-er cell ali&nment( 7(48(7 Te follo,in& tests sall #e !erformed a(
A com!lete functional and o!erational test on te ,irin&" control de*ices" relays" and #rea-er tri! and close circuits" includin& any remote control and=or remote rac-in& de*ices( For de*ices suc as !o,er relays" auto>syncronizin&
COMPLETE REVISION PIP ELSSG01 Design and Fabrication of Low-o!tage "eta!-Enc!osed #$ Power $ircuit %rea&er Switc'gear October 2010
relays and sync cec- relays" te su!!lier sall a*e a*aila#le te re$uired tree !ase !o,er su!!lies( #( A dielectric test on te control ,irin& at ?588 *olts B8 ertz for ? minute c(
Su!!lier
d( Production tests defined in I### C87<20<1 > 4884" Section B(2( Tests sall #e conducted ,it all dra,>out elements rac-ed in and #rea-ers closed( e(
PT
f(
Current sall #e in'ected at te current transformer secondaries to cec- for relay functionin&( Current in'ection sall also #e used to cec- o!eration of de*ices suc as ammeters and transducers(
7(48(5 A co!y of te installation" o!eratin& and maintenance instruction #oo-" includin& !rotecti*e relay instruction #oo-s" sall #e on te test floor at time of customer ,itness testin& of e$ui!ment( A com!lete unmar-ed set of final full size dra,in&s sall #e a*aila#le for use #y !urcaser,itness tests a*e #een com!leted( Notification of ,itness testin& sall include a list of tests and acce!ta#le ran&e of *alues( 7(48(9 Te !urcaser or te !urcaser
+()1
Doc$-entation 7(4?(? One re!roduci#le set of dra,in&s sall #e !ro*ided !lus te s!ecified num#er of co!ies of all documentation and o!eratin& manuals as s!ecified on !urcaser
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Process Industry Practices
COMPLETE REVISION
PIP ELSSG01 Design and Fabrication of Low-o!tage "eta!-Enc!osed #$ Power $ircuit %rea&er Switc'gear
October 2010
Tab"e 1( Doc$-entation Re,$ire-ents # 4it' %id
% For Re2ie
C Fina" Certified
D #s %$i"t
Descri.tion
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
8ne#line diagram/ three#line diagram/ control elementary/ and connection diagrams showing all terminals/ wire numbers and device connection in"ormation "or each instrument/ relay/ and control circuit. 6eneral layout o" e!uipment/ showing all dimensions/ weights/ and re!uired clearances Circuit brea&er data/ including detailed description o" brea&ers/ rated insulation level 9%I0:/ and rated short#circuit current %us data/ including the insulation and bracing materials and methods Current trans"ormer data/ including type/ class/ accuracy/ and saturation curves Potential trans"ormer data/ including the type/ class/ and accuracy etailed plans and elevation drawings showing location o" all components/ including inter"ace details "or bus duct/ etc. Protection elay Solid#state trip unit data 9including the model number/ technical in"ormation/ and time#current curves:/ setting so"tware and "irmware 9i" applicable:. eter data/ including the model number and technical in"ormation o" all meters and transducers Certi"ied type test reports 5oundation loading diagrams and soleplate details Individual cell schematics Individual cell connection wiring diagrams etailed 9: or general 96: bill o" material including name o" the manu"acturer and catalog number o" all components/ rating and;or limiting parameters. Installation/ operation/ and maintenance manuals Switchgear installation drawings showing dimensions/ weights including weights o" each shipping section/ location/ and type o" all connections/ and location o" shipping splits ecommended spares parts list
7
7 7 7
6
7 7 7 7
7
7 7
791: 7
7
otes< A. ,hese documents shall be provided with the proposal. %. ,hese documents shall be provided "or the purchaser=s review and authori>ation to proceed be"ore "abrication. C. ,hese documents shall be provided as part o" the "inal certi"ied document submittal. 91: ?!uipment shall be shipped with one set o" installation/ operation/ and maintenance manuals. . ,he "inal as#built documents shall be provided within 2 wee&s "ollowing shipment.
+())
Conf"ict Reso"$tion Any conflicts amon& te referenced documents sall #e identified in ,ritin& to te !urcaser for resolution( If resol*in& conflicts" te follo,in& order of !recedence sall a!!ly a( Purcase order #( One>line dia&ram and associated dra,in&s
COMPLETE REVISION PIP ELSSG01 Design and Fabrication of Low-o!tage "eta!-Enc!osed #$ Power $ircuit %rea&er Switc'gear October 2010
c(
Purcaser
d( Tis Practice e( Referenced standards
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Process Industry Practices