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Siemens NXAIR P Instructions For Installation, Operation And Maintenance

Withdrawable circuit breaker switchgear up to 15 kv medium voltage metal-clad type with insulated bus
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Withdrawable Circuit Breaker Switchgear
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Instruction
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  Summary of Contents for Siemens NXAIR P

  • Page 1 Withdrawable Circuit Breaker Switchgear 7\SH 1;$,5 3 XS WR  N9  0HGLXP 9ROWDJH 0HWDO&ODG W\SH ZLWK LQVXODWHG EXV Instruction 'HVFULSWLRQ ,QVWDOODWLRQ 2SHUDWLRQ 0DLQWHQDQFH SGIM-6208...
  • Page 2: Qualified Person

    Important Note 7KH LQIRUPDWLRQ FRQWDLQHG KHUHLQ LV JHQHUDO LQ QDWXUH DQG QRW 7KHVH LQVWUXFWLRQV GR QRW SXUSRUW WR FRYHU DOO GHWDLOV RU YDULDWLRQV LQ LQWHQGHG IRU VSHFLILF DSSOLFDWLRQ SXUSRVHV ,W GRHV QRW UHOLHYH WKH HTXLSPHQW QRU WR SURYLGH IRU HYHU\ SRVVLEOH FRQWLQJHQF\ WR EH PHW XVHU RI UHVSRQVLELOLW\ WR XVH VRXQG SUDFWLFHV LQ DSSOLFDWLRQ LQVWDOOD LQ FRQQHFWLRQ ZLWK LQVWDOODWLRQ RSHUDWLRQ RU PDLQWHQDQFH 6KRXOG WLRQ RSHUDWLRQ DQG PDLQWHQDQFH RI WKH HTXLSPHQW SXUFKDVHG 6LH...
  • Page 3 Description NXAIR P - ANSI .....6 )HDWXUHV 7HFKQLFDO GDWD  &RPSOHWH VZLWFKJHDU  6HFWLRQ 7\SHV  $. &LUFXLW %UHDNHU  &LUFXLW %UHDNHU 0RGXOH 6HFWLRQ  $. &LUFXLW %UHDNHU &RQVWDQW 09$ UDWLQJV 'LVFRQQHFWLQJ 'XPP\ &LUFXLW %UHDNHU $. &LUFXLW %UHDNHU 5DWLQJV  0RGXOH 6HFWLRQ $. &LUFXLW %UHDNHU &RQWURO 'DWD ...
  • Page 4  &KDUJLQJ WKH VSULQJ PDQXDOO\   )XVH 5ROORXW    0DQXDO RSHUDWLRQ RI VKXWWHUV   Maintenance NXAIR P - ANSI ....74 0DLQWHQDQFH RI 6ZLWFKJHDU 6HFWLRQ    ,QWURGXFWLRQ DQG 0DLQWHQDQFH ,QWHUYDOV    5HFRPPHQGHG +DQG 7RROV  ...
  • Page 5: Signal Words

    Introduction Dangerous Procedures 7KH 1;$,5 3 PHWDOFODG VZLWFKJHDU LV GHVLJQHG WR PHHW DOO WKH ,Q DGGLWLRQ WR RWKHU SURFHGXUHV GHVFULEHG LQ WKLV PDQXDO DV GDQJHU DSSOLFDEOH $16, 1(0$ DQG ,((( VWDQGDUGV RU WKH DSSOLFDEOH ,(& RXV XVHU SHUVRQQHO PXVW DGKHUH WR WKH IROORZLQJ VWDQGDUGV DV DSSURSULDWH IRU WKH VSHFLILF FRQWUDFW 6XFFHVVIXO DSSOLFDWLRQ DQG RSHUDWLRQ RI WKLV HTXLSPHQW GHSHQGV DV PXFK XSRQ SURSHU LQVWDOODWLRQ DQG PDLQWHQDQFH E\ WKH XVHU DV LW GRHV XSRQ...
  • Page 6 Description NXAIR P - ANSI Description NXAIR P - ANSI q &DEOH FRQQHFWLRQ IURP WKH IURQW RU IURP WKH UHDU DQG IURP WRS RU IURP ERWWRP IRU DOO FXVWRPDU\ FDEOH W\SHV RU EDUV q )UHHVWDQGLQJ RU ZDOOVWDQGLQJ LQVWDOODWLRQ :DOO VWDQGLQJ RQO\ LQ FDVH RI SRZHU FRQQHFWLRQV IURP WKH...
  • Page 7 Description NXAIR P - ANSI 2 Section Types 7KH PHGLXPYROWDJH VZLWFKJHDU 1;$,5 3 FRQVLVWV RI q $XWRPDWLFDOO\ FRXSOLQJ ORZYROWDJH SOXJ FRQQHFWRU YDULRXV VHFWLRQ W\SHV ZKLFK FDQ EH IUHHO\ FRPELQHG EHWZHHQ $. PRGXOH DQG VHFWLRQ DFFRUGLQJ WR WKH UHTXLUHPHQWV q 6HFWLRQ FRQQHFWLRQ IRU FDEOHV SOXJV RU EDUV...
  • Page 8 Description NXAIR P - ANSI 2.4 Load Break Switch Module Section (IEC only) 7KH ORDG EUHDN VZLWFK PRGXOH VHFWLRQ LV XVHG WR VXSSO\ SRZHU WR WUDQVIRUPHUV DQG LW LV HTXLSSHG ZLWK FXUUHQWOLPLWLQJ IXVHV WR SURWHFW WKH WUDQVIRUPHUV %DVLF FRPSRQHQWV q %XV EDUV q /RDG EUHDN VZLWFK PRGXOH $....
  • Page 9 Description NXAIR P - ANSI 3 Section design %DVLF VWUXFWXUH q 3UHVVXUHUHVLVWDQW PHWDO ZDOOV EHWZHHQ WKH LQGLYLGXDO PRGXODU FRPSDUWPHQWV 3DUWLWLRQV PDGH q (QFORVXUH PDGH RI JDOYDQL]HG VKHHW PHWDO RI JDOYDQL]HG VKHHW PHWDO DQG FDVWUHVLQ EXVKLQJV WR q ,QGLYLGXDO PRGXODU VHOIVXSSRUWLQJ FRPSDUWPHQWV LQ...
  • Page 10: Control Elements

    Description NXAIR P - ANSI Control Elements 'RRU RI ORZYROWDJH FRPSDUWPHQW 7HVW VRFNHWV IRU EXV EDU DQG FDEOH YROWDJH LQGLFDWLRQ V\VWHP RSWLRQDO %D\ FRQWUROOHU 6- IRU HOHFWULFDO RSHUDWLRQ RI FLUFXLW EUHDNHU PRGXOH  0HFKDQLFDO OLIW DQG ODWFK RSHUDWRU IRU RSHQLQJ +9 GRRU $. RU RWKHU GHYLFHV WR VXLW DSSOLFDWLRQ ...
  • Page 11 Description NXAIR P - ANSI 3.2 3AK1 Circuit Breaker Module 0DQXDO &/26( EXWWRQ 0DQXDO 23(1 EXWWRQ %UHDNHU ODWFKLQJ SLQ %UHDNHU VXSSRUW UDLO &DVVHWWH UHOHDVH KDQGOH 3RUW IRU PDQXDO JURXQGLQJ VZLWFK RSHUDWLRQ RSWLRQDO *URXQGLQJ VZLWFK SRVLWLRQ LQGLFDWRU ZKHQ DSSOLFDEOH 7UXFN SRVLWLRQ LQGLFDWRU FRQQHFWHG  WHVW ...
  • Page 12 Description NXAIR P - ANSI PRWRU ,I WKH FRQWURO YROWDJH IDLOV WKH FORVLQJ VSULQJ Variants of 3AK1 Circuit Breaker Module FDQ EH FKDUJHG PDQXDOO\ E\ PHDQV RI D KDQG FUDQN q &LUFXLW EUHDNHU PRGXOH 7KH FKDUJLQJ VWDWXV RI WKH VSULQJ LV VKRZQ RQ D...
  • Page 13: Alternative Equipment

    Description NXAIR P - ANSI q *URXQGLQJ VZLWFK ZLWK VKRUWFLUFXLW PDNLQJ FDSDFLW\ 3.3 Bus Bar Compartment RSWLRQDO  Basic Components q =HUR VHTXHQFH FXUUHQW WUDQVIRUPHU IRU JURXQG q %XV EDUV PDGH RI VLOYHU SODWHG IODW FRSSHU DUH FXUUHQW SURWHFWLRQ LQVWDOOHG LQ ORZHU SDUW RI...
  • Page 14: Mechanical Interlocks

    Description NXAIR P - ANSI 4 Interlocks Mechanical interlocks Action Module-internal preconditions ,QVHUWLQJ WKH $. FLUFXLW EUHDNHU PRGXOH LQ WKH VHFWLRQ &RQVLVWHQW FRGLQJ EHWZHHQ $. FLUFXLW EUHDNHU PRGXOH DQG VHFWLRQ 7UXFN LQ ',6&211(&7(' SRVLWLRQ ([WUDFWLQJ WKH $. FLUFXLW EUHDNHU PRGXOH IURP WKH VHFWLRQ 7UXFN LQ ',6&211(&7(' SRVLWLRQ...
  • Page 15 Description NXAIR P - ANSI 5 Accessories 7KH VZLWFKJHDU LV DOZD\V VXSSOLHG ZLWK WKH IROORZLQJ q /XEULFDQW .OXHEHU ,VRIOH[ 7RSDV / J VWDQGDUG DFFHVVRULHV RUGHU QR $;+ q +DQG FUDQN ZLWK IUHHZKHHO IRU FKDUJLQJ WKH q /XEULFDQW .OXHEHU ,VRIOH[ 7RSDV / NJ RSHUDWLQJ VSULQJ PDQXDOO\ RUGHU QR $;%...
  • Page 16: Technical Data

       N$ 5DWHG SHDN ZLWKVWDQG FXUUHQW SHDN    N$ 5DWHG VKRUWWLPH ZLWKVWDQG FXUUHQW    N$ 5DWHG VKRUWFLUFXLW GXUDWLRQ VZLWFKJHDU  VHF NXAIR P Enclosure Dimensions and Weights Height Height Height Weight Weight w/28.4" w/38.6"...
  • Page 17: Applicable Standards

    Description NXAIR P - ANSI Applicable standards Rating labels 7KH FLUFXLW EUHDNHU PRGXOH VZLWFKJHDU 1;$,5 3 IRU (DFK VHFWLRQ RI WKH VZLWFKJHDU KDV D UDWLQJ ODEHO LQGRRU RSHUDWLRQ FRPSOLHV ZLWK WKH IROORZLQJ DIIL[HG WR WKH IURQW SDQHO RI WKH VZLWFKJHDU )LJXUH ...
  • Page 18 Description NXAIR P - ANSI 6.2 3AK1 Circuit Breaker Item Description 7KH YDFXXP FLUFXLW EUHDNHU $. LV D SROH LQGRRU )XOO ZDYH OLJKWQLQJ LPSXOVH ZLWKVWDQG YROWDJH %,/ FLUFXLW EUHDNHU IRU UDWLQJV RI  N9 WR  N9 6KRUWWLPH ZLWKVWDQG FXUUHQW...
  • Page 19 Description NXAIR P - ANSI 6.3 3AK1 Circuit Breaker Constant MVA ratings $. &RQVWDQW 09$ %UHDNHU 5DWLQJV LQ $FFRUGDQFH ZLWK $16, & 7DEOHV  DQG $$ &LUFXLW %UHDNHU 7\SH 0HDVXUHG 3DUDPHWHU 8QLWV $.  $.  $.  $.  $. ...
  • Page 20 Description NXAIR P - ANSI 6.4 3AK1 Circuit Breaker Ratings $. %UHDNHU 5DWLQJV .IDFWRU  LQ DFFRUGDQFH ZLWK $16, & 7DEOHV  &LUFXLW %UHDNHU 7\SH 5DWHG 9DOXHV 8QLWV $.  $.  $.  $.  $.  $.  $. ...
  • Page 21 Description NXAIR P - ANSI 6.6 Auxiliary Switch Control Data  9 $&  9 $&  9 '&  9 '&  9 '& 6ZLWFK W\SH &RQWLQXRXV FXUUHQW 5HVLVWLYHORDG FLUFXLW LQWHUUXSWLQJ FDSDFLW\ %UHDNHU DX[ VZLWFK 72& 02& ,QGXFWLYHORDG FLUFXLW LQWHUUXSWLQJ FDSDFLW\ %UHDNHU DX[ VZLWFK 72&...
  • Page 22 Description NXAIR P - ANSI 6.7 Circuit Diagrams 3AK1 Circuit Breaker Secondary Equipment for the Circuit Breaker )LJ  6HFRQGDU\ HTXLSPHQW IRU FLUFXLW EUHDNHU Legend: Notes: < $QWLSXPS UHOD\ 6FKHPDWLFV VKRZQ ZLWK  6SULQJ FKDUJLQJ PRWRU  &ORVLQJ VSULQJV GLVFKDUJHG 5HVLVWRU  &LUFXLW EUHDNHU RSHQ...
  • Page 23 Description NXAIR P - ANSI Breaker Auxiliary Switch Q0/S1 (52a/b) Legend: Notes: < $QWLSXPS UHOD\ 6FKHPDWLFV VKRZQ ZLWK  6SULQJ FKDUJLQJ PRWRU  &ORVLQJ VSULQJV GLVFKDUJHG 5HVLVWRU  &LUFXLW EUHDNHU RSHQ 46 DE %UHDNHU DX[LOLDU\ VZLWFK  &LUFXLW EUHDNHU ORFDWHG LQ ',6&211(&7(' 7(67 RU &211(&7(' SRVLWLRQ...
  • Page 24 Description NXAIR P - ANSI Secondary Equipment for Truck, Option: Releases )LJ  5 H V H U Y H G )LJ  2SWLRQ 5HOHDVHV Legend: Notes: < $QWLSXPS UHOD\ 6FKHPDWLFV VKRZQ ZLWK  6SULQJ FKDUJLQJ PRWRU  &ORVLQJ VSULQJV GLVFKDUJHG 5HVLVWRU  &LUFXLW EUHDNHU RSHQ...
  • Page 25 Description NXAIR P - ANSI Options: Manual Operation, Motor Operation )LJ  5 H V H U Y H G )LJ  5 H V H U Y H G 6*,0 '(6&5,37,21 1;$,5 3  $16, ...
  • Page 26 Description NXAIR P - ANSI 6.8 Secondary equipment 7KH SHUPLVVLEOH FRPELQDWLRQV RI DGGLWLRQDO HTXLSPHQW 7KH VHFRQGDU\ HTXLSPHQW LV ZLUHG WR WKH ORZYROWDJH DQG VSHFLDO YHUVLRQV DUH GHVFULEHG LQ FDWDORJ 6*%5 SOXJ FRQQHFWRUr; DFFRUGLQJ WR WKH SRVVLEOH $ FRPELQDWLRQV VHH VHFWLRQ   SDJH   )LJ  2SHUDWLQJ PHFKDQLVP ZLWK VWRUHGHQHUJ\ PHFKDQLVP DQG VHFRQGDU\ HTXLSPHQW 0DQXDO &/26( SXVKEXWWRQ...
  • Page 27 Description NXAIR P - ANSI 6.9 Opening Times Opening times &ORVLQJ WLPH   6SULQJ FKDUJLQJ WLPH   2SHQLQJ WLPH <   6KXQW UHOHDVH $< < < <   RU  VKXQW UHOHDVH RU XQGHUYROWDJH UHOHDVH $; ...
  • Page 28 Description NXAIR P - ANSI Shunt releases (shunt opening releases) 7KH VKXQW UHOHDVHV DUH XVHG IRU DXWRPDWLF WULSSLQJ RI &7RSHUDWHG UHOHDVHV FRQVLVW RI D VWRUHGHQHUJ\ FLUFXLW EUHDNHUV E\ PHDQV RI DSSURSULDWH SURWHFWLYH PHFKDQLVP DQ XQODWFKLQJ PHFKDQLVP DQG DQ UHOD\V DQG IRU GHOLEHUDWH WULSSLQJ E\ RWKHU HOHFWULFDO...
  • Page 29 Description NXAIR P - ANSI 6.10 Current Ratings and Secondary Tap Connections 4000:5   ;; Current Ratings and Secondary Tap Connections for Standard Multi-Ratio Current Transformers   ;; Current Ratings [A] Turns Ratio Secondary Taps   ;;...
  • Page 30: Service Information

    Description NXAIR P - ANSI 7 Service information 7.1 Maintenance Replacement of components 7KH LQGLYLGXDO FRPSRQHQWV VXFK DV PHDVXULQJ 7KH YDFXXP FLUFXLW EUHDNHUV UHTXLUH PLQLPDO LQVWUXPHQWV FXUUHQW WUDQVIRUPHUV HWF FDQ EH PDLQWHQDQFH ZLWKLQ WKH UDQJH RI WKH SHUPLVVLEOH UHSODFHG RSHUDWLQJ F\FOHV 8QGHU QRUPDO HQYLURQPHQWDO DQG...
  • Page 31: Receiving, Handling & Storage

    Installation NXAIR P Installation NXAIR P 8 Receiving, Handling & Storage Õ 7KH LQVWDOODWLRQ RI WKH VZLWFKJHDU VKRXOG EH FDUHIXOO\ 'R QRW GDPDJH WKH SODVWLF ILOP SURWHFWLRQ GXULQJ SODQQHG EHIRUH WKH HTXLSPHQW DUULYHV DW WKH VLWH 7KLV XQORDGLQJ FDQ DYRLG GHOD\V RU HTXLSPHQW GDPDJH UHVXOWLQJ IURP Õ...
  • Page 32 Installation NXAIR P Õ 7KH GRFXPHQWV PXVW EH SURYLGHG WR 6LHPHQV Damage EHIRUH DSSURYDO FDQ EH REWDLQHG Õ 1RWH DQ\ YLVLEOH GDPDJH RQ WKH GHOLYHU\ UHFHLSW DQG KDYH WKHP DFNQRZOHGJHG ZLWK WKH GULYHU V Note: $Q\ GHWHUPLQDWLRQ DV WR ZKHWKHU WKH HTXLSPHQW...
  • Page 33 Installation NXAIR P DW WKH OHIW HQG RI WKH OLQHXS 5HYLHZ WKLV LQIRUPDWLRQ FDUHIXOO\ EHIRUH PRYLQJ WKH HTXLSPHQW Lifting switchgear with crane %HIRUH UHPRYLQJ WKH SURWHFWLYH SDFNLQJ PDWHULDOV WKH HTXLSPHQW PD\ EH PRYHG E\ FUDQH ZLWK OLIWLQJ FDEOHV DWWDFKHG WKURXJK WKH SDFNDJLQJ WR WKH OLIWLQJ SODWH DW...
  • Page 34 Installation NXAIR P Õ Õ 5HPRYH  ZRRGHQ SODQNV IURP WKH VKLSSLQJ SDOOHW %H VXUH WR KDYH VPRRWK XQREVWUXFWHG VXUIDFHV ZKHUH WKH HTXLSPHQW LV WR EH VOLG Õ 3XVK  8VKDSHG VWHHO EHDPV ZLWK DGHTXDWH Õ .HHS DFFHVV RSHQLQJV FOHDU EHDULQJ FDSDFLW\ XQGHU WKH VKLSSLQJ JURXS Õ...
  • Page 35: Shield Grounding

    Installation NXAIR P Õ (0& FDQ EH LPSURYHG FRQVLGHUDEO\ E\ XVLQJ VKLHOGHG /XEULFDWH DQ\ PRYLQJ SDUWV VXFK DV KLQJHV FDEOHV DQG ZLUHV VKXWWHUV HWF LI VWRUDJH LV IRU DQ H[WHQVLYH SHULRG RI WLPH Shield grounding Õ &RQQHFW EDWWHULHV LI VXSSOLHG WR D FKDUJHU...
  • Page 36 Installation NXAIR P q 6LWH LOOXPLQDWLRQ Tools q )ODVK OLJKWV 7KH IROORZLQJ LWHPV QRW VXSSOLHG H[FHSW ILUVW WZR LWHPV DUH UHTXLUHG IRU FRUUHFW LQVWDOODWLRQ q 9DFXXP FOHDQHU q 7KHVH LQVWUXFWLRQV VXSSOLHG ZLWK HTXLSPHQW q +DPPHU GULOO q 6ZLWFKJHDU GUDZLQJV VXSSOLHG ZLWK HTXLSPHQW ...
  • Page 37: Installation

    Installation NXAIR P 9 Installation Foundations $V LW LV GLIILFXOW WR REWDLQ D WUXH DQG OHYHO IORRU RQ D FRQFUHWH VODE LW LV KLJKO\ UHFRPPHQGHG WKDW PLQ   PP VLOO FKDQQHOV EH JURXWHG LQWR WKH IORRU 7KH VXUIDFH RI WKH VLOOV VKRXOG EH VOLJKWO\ DERYH IORRU OHYHO...
  • Page 38 Installation NXAIR P Joining Sections Opening of the bus bar compartment -RLQ WKH VHFWLRQ DV IROORZV )RU EXV EDU LQVWDOODWLRQ WKH EXV EDU FRPSDUWPHQW LV DFFHVVHG IURP WKH IURQW RI WKH FLUFXLW EUHDNHU Õ 3ODFH VHFWLRQV RQ VLOO FKDQQHOV FRPSDUWPHQW Õ...
  • Page 39: Bolting Sections Together

    Installation NXAIR P Bolting sections together Õ 7DNH EROWV 0 [  IURP WKH VXSSOHPHQWDU\ HTXLSPHQW SDFNDJH  VXSSOLHG DQG VFUHZ WKHP IURP WKH ULJKW LQQHU VLGH RI WKH FLUFXLW EUHDNHU FRPSDUWPHQW DQG IURP WKH WRS SODWH LQWR WKH DGMDFHQW FRPSDUWPHQWV /RFDWLRQ RI EROWV IRU MRLQLQJ XQLWV Fig.
  • Page 40 Installation NXAIR P ,I WKH VHFWLRQV DUH DUF YHQWHG D SUHVVXUH UHOLHI FKDQQHO Assembling Low-Voltage Compartment LV IXUQLVKHG RQ WRS RI WKH VHFWLRQV  (if applicable) Õ 8VH DQRWKHU  EROWV 0 [  ZLWK ' ZDVKHUV WR 7KH ORZYROWDJH FRPSDUWPHQWV PD\ EH GHOLYHUHG...
  • Page 41 Installation NXAIR P 6R HDFK VHFWLRQ FDQ EH IDVWHQHG WR WKH IRXQGDWLRQ DW WZR SRLQWV Õ 3ODFH VKLPV LQ WKH VSDFHV EHWZHHQ WKH VHFWLRQ IUDPH DQG WKH IRXQGDWLRQ LQ WKH DUHD RI WKH IDVWHQLQJ FXWRXWV VR WKDW WKH VZLWFKJHDU LV QRW...
  • Page 42 Installation NXAIR P Joining New Sections -RLQ WKH QHZ VHFWLRQ DV IROORZV UHIHUULQJ WR WKH LQVWUXFWLRQV JLYHQ LQ  Õ 3ODFH QHZ VHFWLRQV RQ VLOO FKDQQHOV Õ 5HPRYH EXV EDUV IURP WKHLU VKLSSLQJ SRVLWLRQ Õ $OLJQ DQG OHYHO WKH QHZ VHFWLRQV Õ...
  • Page 43: Electrical Connections

    Installation NXAIR P 10 Electrical Connections ,Q WKH LQVWUXFWLRQV JLYHQ LQ WKH IROORZLQJ VHFWLRQV LW LV Õ 1RWH WKHLU ORFDWLRQ DQG RULHQWDWLRQ VR WKH\ PD\ EH DVVXPHG WKDW D QHZ VZLWFKJHDU LV EHLQJ LQVWDOOHG SURSHUO\ UHLQVWDOOHG DIWHU WKH MRLQW LV EROWHG WRJHWKHU ZKLFK KDV QRW \HW EHHQ FRQQHFWHG WR WKH SRZHU Õ...
  • Page 44 Installation NXAIR P 6LGH YLHZ RI EXV EDU DUUDQJHPHQW  $ 6LGH YLHZ RI EXV EDU DUUDQJHPHQW  Fig. 29: Fig. 30: EXV EDU LQVXODWLRQ ERRWV UHPRYHG  $ EXV EDU LQVXODWLRQ ERRWV UHPRYHG PDLQ EXV EDU )HHGHU EXV %HOOHYLOOH ZDVKHU %ROW /LQN WR &XUUHQW 7UDQVIRUPHU &7 ...
  • Page 45 Installation NXAIR P 5HXVDEOH SODVWLF KDUGZDUH LV XVHG WR KROG WKH ERRWV Õ /HDG JURXQG RI FDEOH WHUPLQDWLRQ WR JURXQG EXV EDU FORVHG DIWHU LW LV LQVWDOOHG DQG VHFXUH Õ 2EVHUYH WKH ORFDWLRQ DQG RULHQWDWLRQ RI WKH ERRW DQG KDUGZDUH EHIRUH UHPRYDO WR PDNH UHLQVWDOODWLRQ HDVLHU Õ...
  • Page 46 Installation NXAIR P Õ EH FRQQHFWHG WR WKH VWDWLRQ JURXQG VWDUWLQJ IURP WKH 5HLQVWDOO FRYHUV RI FXVWRPHU ZLULQJ GXFWV OHIW DQG ULJKW HQG VHFWLRQ Õ &RQQHFW FRQWURO ZLUHV DFFRUGLQJ WR FLUFXLW GLDJUDPV Connecting Interunit Wires (Bus Wires) 7KH LQWHUXQLW ZLULQJ LV WKH HOHFWULFDO FRQQHFWLRQ IURP VHFWLRQ WR VHFWLRQ Õ...
  • Page 47: Current Transformers

    Installation NXAIR P 7R UHDFK WKH PDLQ IL[HG FRQWDFWV RSHQ WKH 11 Instrument Transformers Replacement FRUUHVSRQGLQJ VKXWWHU DV GHVFULEHG LQ WKH FKDSWHUV EHORZ  0DQXDO RSHUDWLRQ RI VKXWWHUV SDJH  LQ 9ROWDJH RU FRQWURO SRZHU WUDQVIRUPHUV DUH ORFDWHG LQ DQ...
  • Page 48: Inspection & Testing

    Installation NXAIR P 12 Circuit Breaker Installation & Removal 13 Inspection & Testing 7\SH $. &LUFXLW %UHDNHUV DUH QRUPDOO\ VKLSSHG %HIRUH WKH HTXLSPHQW LV HQHUJL]HG LW PXVW EH LQVWDOOHG LQ WKH VZLWFKJHDU FHOOV 7KH\ DUH QRUPDOO\ WKRURXJKO\ LQVSHFWHG DQG WHVWHG &RUUHFW DQ\...
  • Page 49 Installation NXAIR P ,Q DFFRUGDQFH ZLWK $16, &  &ODXVH  )LHOG Checking Protection against adverse Environmental 'LHOHFWULF 7HVWV DUH DOVR UHFRPPHQGHG ZKHQ QHZ Influences (Protection against Corrosion) XQLWV DUH DGGHG WR DQ H[LVWLQJ LQVWDOODWLRQ RU DIWHU 7KH IROORZLQJ SURGXFW FDQ EH VXSSOLHG...
  • Page 50 Installation NXAIR P 14 Placing Equipment into Service Õ (QVXUH WKDW DOO FRYHUV KDYH EHHQ LQVWDOOHG DQG 14.1 Safety instructions HQFORVXUH KDUGZDUH WRUTXHG WR WKH FRUUHFW YDOXHV Õ (QVXUH WKDW DOO HOHFWULFDO FRQQHFWLRQV KDYH EHHQ WRUTXHG WR WKH FRUUHFW YDOXHV 14.4 Checking mechanical interlocks...
  • Page 51 Installation NXAIR P Õ VRFNHWV LI IXUQLVKHG DUH ORFDWHG EHORZ WKH GRRU RI WKH &ORVH DQG RSHQ HDFK FLUFXLWEUHDNHU VHYHUDO WLPHV ORZ YROWDJH FRPSDUWPHQW DQG DUH DUUDQJHG LQ WKH ORFDOO\ DQG IURP UHPRWH IRU WHVW VHH 2SHUDWLRQ  VDPH RUGHU DV WKH FDEOH FRQQHFWLRQV IURP WKH OHIW WR  &ORVLQJ WKH &LUFXLW %UHDNHU SDJH  DQG ...
  • Page 52 Installation NXAIR P Õ $OO XQXVHG FRQQHFWLRQ SRLQWV IRU RXWJRLQJ KLJK Switching on YROWDJH FDEOHV PXVW EH FRQQHFWHG WR JURXQG ZLWK ,I WKHUH DUH PXOWLSOH VRXUFHV RI SRZHU FRQQHFWHG WR FDEOHV RU RWKHU VXLWDEOH PHDQV DGHTXDWH IRU WKH WKH VZLWFKJHDU HDFK VRXUFH VKDOO EH WHVWHG WR FRQILUP...
  • Page 53: Safety Instructions

    Operation NXAIR P - ANSI Operation NXAIR P - ANSI 15 Safety instructions 16 Section operation 16.1 Control elements at the section front 'RRU RI ORZYROWDJH FRPSDUWPHQW %D\ FRQWUROOHU 6- IRU HOHFWULFDO RSHUDWLRQ RI FLUFXLW EUHDNHU PRGXOH $. RU RWKHU GHYLFHV WR VXLW DSSOLFDWLRQ +9 GRRU 6SULQJ FKDUJHG LQGLFDWRU IRU $. FLUFXLW EUHDNHU PRGXOH...
  • Page 54 Operation NXAIR P - ANSI 16.2 Operating tools 7KH IROORZLQJ RSHUDWLQJ WRROV DUH DYDLODEOH DV DFFHVVR Operating tool IRU GRRU OLIW DQG ODWFK PHFKDQLVP RI WKH +9 ULHV GRRU Racking Crank IRU UDFNLQJ WKH WUXFN ZLWKLQ WKH $. PRGXOH )LJ  5DFNLQJ FUDQN  %;  )LJ  'RRU OLIW DQG ODWFK PHFKDQLVP Hand crank $;...
  • Page 55 Operation NXAIR P - ANSI 16.3 Opening and closing the front door Closing the front door 3UHFRQGLWLRQV (LWKHU ZLWKRXW $. PRGXOH RU q $. PRGXOH LQVHUWHG DFFRUGLQJ WR 6HFWLRQ  3DJH  Õ &ORVH WKH GRRU Õ ,QVHUW  PP KH[DJRQ KHDG VRFNHW ZUHQFK LQ UHFHSWDFOH IRU GRRU OLIW DQG ODWFK DQG WXUQ Š...
  • Page 56 Operation NXAIR P - ANSI 16.4 Inserting 3AK1 Circuit Breaker 7KH $. FLUFXLW EUHDNHU DQG WKH GROO\ DUH SXVKHG LQWR Moving the 3AK1 Circuit Breaker into the Section WKH FLUFXLW EUHDNHU FRPSDUWPHQW ,I UHTXLUHG WKH GROO\ FDQ EH PRYHG RXW RI WKH VHFWLRQ OHDYLQJ WKH FLUFXLW...
  • Page 57 Operation NXAIR P - ANSI Õ Removing the Dolly from the Section Õ 3XVK GRZQ WKH VHFXULQJ OHYHU RQ WKH GROO\ DQG SXOO RXW WKH GROO\ Note: WKH GROO\ PD\ EH VWRUHG LQVLGH WKH FLUFXLW EUHDNHU FRPSDUWPHQW LI GHVLUHG )RU VRPH DSSOLFD...
  • Page 58 Operation NXAIR P - ANSI Õ 3XOO $. FLUFXLW EUHDNHU ZLWK GROO\ RXW RI WKH VHF Moving the Dolly into the Section WLRQ Note: 7KLV SURFHGXUH LV QRW DSSOLFDEOH LI WKH GROO\ LV SHU Õ &ORVH DQG ODWFK WKH IURQW GRRU PDQHQWO\ DWWDFKHG EROWHG WR WKH $. FLUFXLW EUHDNHU...
  • Page 59 Operation NXAIR P - ANSI Õ 3ODFH UDFNLQJ FUDQN RQ KH[DJRQDO HQG RI UDFNLQJ 16.6 Racking the 3AK1 circuit breaker from Disconnected to VKDIW Test or Connected Position Manual Racking 3UHFRQGLWLRQV q $. FLUFXLW EUHDNHU LQVHUWHG LQ VHFWLRQ q )URQW GRRU FORVHG DQG ODWFKHG q &LUFXLWEUHDNHU LQ 23(1 SRVLWLRQ...
  • Page 60 Operation NXAIR P - ANSI Õ 3ODFH UDFNLQJ FUDQN RQ KH[DJRQDO HQG RI UDFNLQJ 16.7 Racking the 3AK1 circuit breaker from the Connected VKDIW position to Test or Disconnected Position Manual racking 3UHFRQGLWLRQV q &LUFXLWEUHDNHU LQ 23(1 SRVLWLRQ q )HHGHU JURXQGLQJ VZLWFK LI IXUQLVKHG LQ 23(1 SRVLWLRQ Õ...
  • Page 61: Manual Operation

    Operation NXAIR P - ANSI 16.8 Closing the Circuit Breaker Õ 3XVK WKH URG DJDLQVW WKH FORVH SXVKEXWWRQ RQ WKH Manual operation FLUFXLW EUHDNHU 3UHFRQGLWLRQV 7KH FLUFXLW EUHDNHU FORVHV 7KH SRVLWLRQ LQGLFDWRU RI q &LUFXLW EUHDNHU LQ ' GLVFRQQHFWHG  7 WHVW RU WKH FLUFXLW EUHDNHU FKDQJHV IURP WKH 23(1 WR WKH & FRQQHFWHG SRVLWLRQ...
  • Page 62 Operation NXAIR P - ANSI 16.9 Opening the Circuit Breaker 2SHUDWLRQ LQ 7 HVW SRVLWLRQ RU ' LVFRQQHFWHG SRVLWLRQ Manual operation LV DOVR SRVVLEOH ZLWK IURQW GRRU RSHQHG ,Q WKLV FDVH 3UHFRQGLWLRQV Õ 3UHVV 23(1 SXVKEXWWRQ RQ WKH EUHDNHU IURQW q 0DQXDO WULSSLQJ RI WKH FLUFXLW EUHDNHU LV DOZD\V SRVVL...
  • Page 63 Operation NXAIR P - ANSI 16.10 Charging the spring manually Õ :KHQ WKH FRQWURO SRZHU VXSSO\ LV DSSOLHG E\ UDFNLQJ 6OLGH WKH FROODU RI WKH KDQG FUDQN IURP LWV VWRUDJH WKH FLUFXLW EUHDNHU IURP ' GLVFRQQHFWHG WR 7 WHVW SRVLWLRQ WR LWV H[WHQGHG SRVLWLRQ DQG HQJDJH KDQG...
  • Page 64 Operation NXAIR P - ANSI Õ ,QVWDOO OHYHU RQ IHHGHU ORZHU VKXWWHU PHFKDQLVP RQ 16.11 Manual operation of shutters WKH ULJKW VLGH RI WKH VHFWLRQ DQG VHFXUH ZLWK EROW 7KH IHHGHU DQG EXVEDU VKXWWHUV FDQ EH RSHQHG LQGLYLG XDOO\ :KHQ RQH VKXWWHU LV RSHQHG WKH PHFKDQLVP RI...
  • Page 65 Operation NXAIR P - ANSI Õ 3HUIRUP YROWDJH WHVW RU RWKHU LQWHQGHG DFWLRQ Closing the feeder (lower) shutter Õ 3XVK WKH JULS RI WKH OHYHU OLJKWO\ WR WKH ULJKW WR )LJ  /RFDWLRQ RI SDGORFN IRU IHHGHU ORZHU VKXWWHU UHOHDVH WKH ODWFK DQG OHW LW VOLS XSZDUGV 7KH VKXWWHU FORVHV DXWRPDWLFDOO\ Õ...
  • Page 66 Operation NXAIR P - ANSI Õ 2SHUDWH WKH OHYHU RXWVLGH WKH VHFWLRQ WR RSHQ WKH Closing the busbar (upper) shutter VKXWWHUV 3XVK WKH JULS GRZQ Õ 3XVK WKH JULS RI WKH OHYHU OLJKWO\ WR WKH OHIW WR UHOHDVH WKH ODWFK DQG OHW LW VOLS XSZDUGV 7KH VKXWWHU...
  • Page 67 Operation NXAIR P - ANSI 16.12 Cell Switches Mechanism Operated Cell Switch (MOC) Truck Operated Cell Switch (TOC) 7KH VZLWFK LV RSHUDWHG E\ D UROOHU RQ WKH FLUFXLW 7KH VZLWFK LV RSHUDWHG E\ DQ H[WHQVLRQ RI WKH WRS SODWH EUHDNHU 7KH 02& VZLWFK SURYLGHV XS WR  VWDJHV ...
  • Page 68 Operation NXAIR P - ANSI 17 Metering & Auxiliary Section 17.1 General Information Voltage Transformers (VT) 8S WR WKUHH YROWDJH WUDQVIRUPHUV ZLWK WKHLU LQWHJUDOO\ PRXQWHG FXUUHQW OLPLWLQJ IXVHV PD\ EH PRXQWHG RQ HDFK UROORXW WUD\ 2QH RU WZR 97 V PD\ EH FRQQHFWHG...
  • Page 69 Operation NXAIR P - ANSI 17.3 Voltage Transformer Connect VT Rollout Tray (Insert from the disconnect to the connect position) 7KH 97 UROORXW WUD\ LV VHFXUHG LQ WKH FRQQHFWHG SRVLWLRQ E\ DQ LQWHUORFN ODWFK ZKLFK LV FRQWUROOHG E\ WKH UDFNLQJ...
  • Page 70 Operation NXAIR P - ANSI Õ /RRVHQ WKH EROWV ZKLFK VHFXUH WKH GRRU DQG RSHQ 17.4 Control Power Transformer WKH GRRU 7KH &37 UROORXW WUD\ PD\ EH ZLWKGUDZQ IRU 7KH &37 UROORXW WUD\ LV VHFXUHG LQ WKH FRQQHFWHG SRVL LQVSHFWLRQ FOHDQLQJ RU UHSODFHPHQW RI WKH SULPDU\...
  • Page 71 Operation NXAIR P - ANSI Õ Õ &ORVH WKH VHFRQGDU\ GLVFRQQHFW VZLWFK RQ WKH IURQW 2SHQ WKH VHFRQGDU\ GLVFRQQHFW VZLWFK RU FLUFXLW SDQHO EUHDNHU  7KLV ZLOO QRUPDOO\ EH ORFDWHG LQ WKH ORZ YROWDJH FRPSDUWPHQW LI WKH FRQWURO SRZHU WUDQV Õ...
  • Page 72 Operation NXAIR P - ANSI Õ Õ 9HULI\ WKDW WKH IURQW GRRU LV FORVHG WKDW DOO GRRU EROWV &ORVH WKH VHFRQGDU\ GLVFRQQHFW VZLWFK RU FLUFXLW DUH SURSHUO\ LQVWDOOHG DQG WLJKWHQHG WR WKH VSHFLILHG EUHDNHU  WRUTXH  1P  IWOE  Õ...
  • Page 73 Operation NXAIR P - ANSI 6*,0 23(5$7,21 1;$,5 3  $16, ...
  • Page 74 Maintenance NXAIR P - ANSI Maintenance NXAIR P - ANSI 18 Maintenance of Switchgear Section 7KH XVHU PXVW HVWDEOLVK D SHULRGLF PDLQWHQDQFH SUR 18.1 Introduction and Maintenance Intervals JUDP WR HQVXUH WURXEOHIUHH DQG VDIH RSHUDWLRQ 7KH 3HULRGLF LQVSHFWLRQV DQG PDLQWHQDQFH DUH HVVHQWLDO WR...
  • Page 75: Moving Parts

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  • Page 76 Maintenance NXAIR P - ANSI Õ :LSH WKH SDUW FOHDQ DQG DSSO\ QHZ JUHDVH LPPHGL 18.6 Electrical Contacts DWHO\ /XEULFDWH VWDWLRQDU\ VLOYHUVXUIDFHG FRQWDFWV ZLWK HOHF WULFDO FRQWDFW OXEULFDQW .OXHEHU ,VRIOH[ 7RSDV 1% SULRU WR XVH DV IROORZV 18.9 Relays and Instruments Õ...
  • Page 77 Maintenance NXAIR P - ANSI 19 Maintenance of 3AK1 Circuit Breaker 19.1 Circuit Breaker Maintenance - General Information ,Q RUGHU WR XSKROG WKH KLJK OHYHO RI UHOLDELOLW\ WKURXJK )RU WKH VDIHW\ RI PDLQWHQDQFH SHUVRQQHO DV ZHOO DV RXW WKH HQWLUH RSHUDWLQJ OLIH ZH UHFRPPHQG UHJXODU...
  • Page 78 Maintenance NXAIR P - ANSI Maintenance Tasks &KHFNV RI WKH SULPDU\ SRZHU SDWK &OHDQOLQHVV FKHFN ,QVSHFWLRQ RI SULPDU\ GLVFRQQHFWV &KHFNV RI WKH VWRUHG HQHUJ\ RSHUDWRU PHFKDQLVP 0DLQWHQDQFH DQG OXEULFDWLRQ )DVWHQHU FKHFN & 0DQXDO VSULQJ FKDUJLQJ FKHFN &RQWDFW HURVLRQ FKHFN (OHFWULFDO FRQWURO FKHFNV...
  • Page 79: Maintenance Schedule

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  • Page 80 Maintenance NXAIR P - ANSI Lubrication of 3AK1 )LJ  /XEULFDWLRQ SODQ IRU FLUFXLW EUHDNHU $. Legend: Legend lubrication material: &UDQN SLQ IRU OLPLW VZLWFK RSHUDWLRQ ,VRIOH[ 7RSDV / &ORVLQJ OHYHU EHDULQJ &ORVLQJ FDP FRQWRXU 6KHOO 7HOOXV 2LO  &ORVH ODWFK PHFKDQLVP...
  • Page 81: Fastener Check

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  • Page 82 Maintenance NXAIR P - ANSI Õ :KHQ FRQWURO SRZHU LV FRQQHFWHG WR WKH FLUFXLW 19.5 Electrical Control Checks EUHDNHU WKH FORVLQJ VSULQJV VKRXOG DXWRPDWLFDOO\ 7KH HOHFWULFDO FRQWUROV RI WKH $. FLUFXLW EUHDNHU FKDUJH 9LVXDOO\ YHULI\ WKDW WKH FORVLQJ VSULQJV DUH...
  • Page 83 Maintenance NXAIR P - ANSI LQWHUUXSWHU VXSSRUWV ,I WKHVH LQVXODWLRQ FRPSRQHQWV DUH FRQWDPLQDWHG RU GHIHFWLYH WKH WHVW YROWDJH ZLOO QRW EH VXVWDLQHG OI VR Õ &OHDQ RU UHSODFH WKH DIIHFWHG FRPSRQHQWV DQG UHWHVW As-Found Insulation and Contact Resistance Tests: $V...
  • Page 84 Maintenance NXAIR P - ANSI Õ 3HUIRUP FRQWDFW UHVLVWDQFH WHVWV RI WKH SULPDU\ FRQ 19.8 Functional Tests WDFWV XVLQJ D GXFWRU &RQWDFW UHVLVWDQFH VKRXOG QRW )XQFWLRQDO WHVWV FRQVLVW RI SHUIRUPLQJ DW OHDVW WKUHH  H[FHHG WKH YDOXHV OLVWHG LQ IROORZLQJ WDEOH 0DQXDO 6SULQJ &KDUJLQJ &KHFNV DQG WKUHH  $XWR...
  • Page 85: Trouble Shooting

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  • Page 86 20 Index 'ROO\ PRYLQJ LQWR WKH VHFWLRQ   Numerics  $.   (OHFWULFDO FRQQHFWLRQV   (OHFWULFDO GDWD   $FFHVVRULHV   (OLPLQDWLRQ RI IDXOWV   $QWLSXPSLQJ GHYLFH   (PHUJHQF\ RSHUDWLRQ   $SSOLFDEOH VWDQGDUGV   (UHFWLRQ VZLWFKJHDU   $VVHPEO\ ZRUN FKHFNLQJ EHIRUH FRPPLVVLRQLQJ   ([WHQVLRQ RI WKH VZLWFKJHDU  ...
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