Siemens 8DA series Operating Instructions Manual

Fixed-mounted circuit-breaker medium voltage switchgear

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Operating instructions manual (36 pages)

Installation instructions manual (52 pages)

Medium-Voltage Switchgear

Type 8DA, Extendable Fixed-Mounted Circuit-Breaker Switchgear up to 40.5 kV

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OPERATING

INSTRUCTIONS

PART 1/2

Description, Operation

and Servicing

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Table of Contents

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Summary of Contents for Siemens 8DA series

Page 1 Medium-Voltage Switchgear Type 8DA, Extendable Fixed-Mounted Circuit-Breaker Switchgear up to 40.5 kV 6LQJOH %XVEDU 6LQJOH3ROH 0HWDO(QFORVHG 0HWDO&ODG 6) ,QVXODWHG 0HGLXP9ROWDJH 6ZLWFKJHDU OPERATING INSTRUCTIONS PART 1/2 Description, Operation and Servicing 2UGHU 1R '; %$ 6:) 5HYLVLRQ ,VVXH ...
Page 2 6LJQDO WHUPV DQG GHILQLWLRQV 6DIHW\ UXOHV 'XH DSSOLFDWLRQ 4XDOLILHG SHUVRQQHO $SSOLFDWLRQ DQG W\SLFDO XVHV 6ZLWFK SRVLWLRQV )HDWXUHV ,QVWUXPHQW WUDQVIRUPHUV 9ROWDJH WUDQVIRUPHUV 7\SH FODVVLILFDWLRQ 9ROWDJH LQGLFDWLRQ V\VWHPV &XUUHQW WUDQVIRUPHUV &LUFXLWEUHDNHU SDQHO ...
Page 3 ,QWHUORFNV 6ZLWFKLQJ RSHUDWLRQV LQ WKH FLUFXLWEUHDNHU SDQHO 6DIH LVRODWLRQ IURP VXSSO\ DQG FRUUHFW WHUPLQDO 6ZLWFKLQJ RSHUDWLRQV LQ WKH EXV VHFWLRQDOLVHU SKDVH FRQQHFWLRQV 6ZLWFKLQJ RSHUDWLRQV IRU WRSPRXQWHG EXVEDU 9HULILFDWLRQ RI VDIH LVRODWLRQ IURP VXSSO\ VHFWLRQDOLVHU 9HULI\LQJ FRUUHFW WHUPLQDOSKDVH FRQQHFWLRQV ...
Page 4 About these instructions 7KHVH LQVWUXFWLRQV GR QRW SXUSRUW WR FRYHU DOO GHWDLOV RU ,I \RX ZDQW WR PDNH VXJJHVWLRQV IRU LPSURYHPHQW RI YDULDWLRQV LQ HTXLSPHQW QRU WR SURYLGH IRU HYHU\ WKHVH LQVWUXFWLRQV RU LI WKHUH LV VRPHWKLQJ \RX GR QRW SRVVLEOH FRQWLQJHQF\ WR EH PHW LQ FRQQHFWLRQ ZLWK XQGHUVWDQG SOHDVH FRQWDFW WKH DGGUHVV JLYHQ EHORZ LQVWDOODWLRQ RU RSHUDWLRQ...
Page 5: Safety Instructions
Safety instructions Safety instructions 1 Signal terms and definitions Danger! 'XH WR WKH SULQFLSOH RSHUDWLQJ WKH VZLWFKJHDU FDQ FDXVH GDQJHU Danger! Õ DV XVHG LQ WKHVH LQVWUXFWLRQV WKLV PHDQV WKDW SHUVRQDO 'R RQO\ RSHUDWH WKH VZLWFKJHDU LI WKHUH LV LQMXULHV FDQ RFFXU LI WKH UHOHYDQW SUHFDXWLRQDU\ SHUPLVVLRQ WR GR VR PHDVXUHV DUH QRW WDNHQ Õ...
Page 6 Description Description 5 Application and typical uses ([WHQGDEOH IL[HGPRXQWHG FLUFXLWEUHDNHU VZLWFKJHDU RI WKH '$ VHULHV LV PDLQO\ XVHG LQ WUDQVIRUPHU DQG GLVWULEXWLRQ VXEVWDWLRQV DV ZHOO DV IRU VZLWFKLQJ GXWLHV LQ LQGXVWULDO SODQWV DQG UDLOZD\V V\VWHPV 7KH SDQHOV DUH GHVLJQHG IRU UDWHG YROWDJHV XS WR N9 DQG UDWHG FXUUHQWV XS WR $ 7KH\ DUH VXLWDEOH IRU D PD[LPXP SHUPLVVLEOH UDWHG VKRUWFLUFXLW FXUUHQW RI N$ DQG D PD[LPXP VKRUWFLUFXLW...
Page 7: Type Classification
Description 7 Type classification 7KH IROORZLQJ WDEOH VKRZV WKH GLIIHUHQW W\SHV RI FRQVWUXFWLRQ RI WKH '$ VHULHV '$ SROH '$ SROH '$ SROH Fig. 1: Fig. 2: Fig. 3: Low-voltage compartment q )RU DFFRPPRGDWLRQ RI SURWHFWLRQ FRQWURO PHDVXULQJ DQG PHWHULQJ HTXLSPHQW 8 Circuit-breaker panel q :LWK SOXJLQ FDEOHV RI SULPDU\ FRPSRQHQWV FRQQHFWHG WR WHUPLQDO VWULSV ZLWK VFUHZW\SH...
Page 8: Switch Panel
Description Switchpanel /RZYROWDJH FRPSDUWPHQW RU PP KLJK DV VWDQGDUG 6HFRQGDU\ HTXLSPHQW %XVEDU &DVWDOXPLQLXP KRXVLQJ &RQWURO DQG LQGLFDWLRQ ERDUG RI WKH WKUHH SRVLWLRQ VZLWFK 7KUHHSRVLWLRQ VZLWFK &LUFXLWEUHDNHU SROH ZLWK XSSHU DQG ORZHU EXVKLQJ &LUFXLWEUHDNHU RSHUDWLQJ PHFKDQLVP 9DFXXP LQWHUUXSWHU &XUUHQW WUDQVIRUPHU )UDPH &LUFXLWEUHDNHU SDQHO H[DPSOH '$ Fig.
Page 9: Circuit Breaker
Description 9 Circuit-breaker Design Vacuum interrupters 7KH YDFXXP FLUFXLWEUHDNHU LV DQ LQWHJUDO FRPSRQHQW RI WKH VZLWFKSDQHO DQG FRQVLVWV RI WKH IROORZLQJ FRPSRQHQWV q 2SHUDWLQJ PHFKDQLVP ZLWK VWRUHGHQHUJ\ VSULQJ PHFKDQLVP DQG FRQWURO HOHPHQWV q 6ZLWFKLQJ URGV IRU FRQWDFW RSHUDWLRQ q WR VZLWFKSDQHO SROHV ZLWK YDFXXP LQWHUUXSWHUV Mechanical interlock 7KH FLUFXLWEUHDNHU LV SURWHFWHG PHFKDQLFDOO\ DJDLQVW PDORSHUDWLRQ 7KH PHFKDQLFDO SURWHFWLRQ SUHYHQWV WKH...
Page 10 Description 10 Operating mechanism box 10.2 Design 7KH RSHUDWLQJ PHFKDQLVP ER[ LV FORVHG E\ D UHPRYDEOH FRYHU 7KH FRYHU FRQWDLQV RSHQLQJV IRU WKH 10.1 Function FRQWURO HOHPHQWV DQG WKH LQGLFDWRUV 7KH RSHUDWLQJ PHFKDQLVP ER[ DFFRPPRGDWHV DOO HOHFWULFDO DQG PHFKDQLFDO FRPSRQHQWV UHTXLUHG IRU FORVLQJ DQG RSHQLQJ WKH FLUFXLWEUHDNHU 2SHUDWLQJ IURQW RI WKH FLUFXLWEUHDNHU Fig.
Page 11: Three-Position Switch
Description 11 Three-position switch 11.1 Function 7KH WKUHHSRVLWLRQ VZLWFK FRPELQHV WKH IXQFWLRQV RI D GLVFRQQHFWRU DQG DQ HDUWKLQJ VZLWFK ,W LV GHVLJQHG IRU QRORDG RSHUDWLRQ RQO\ PD[ $ DFFRUGLQJ WR ,(& 9'( 7KUHHSRVLWLRQ VZLWFK ZLWK EXVEDU DQG Fig. 9: EXVKLQJ 'LVFRQQHFWRU FRQWDFW %XVEDU KRXVLQJ...
Page 12: Switch Positions
Description 11.2 Switch positions 6ZLWFK SRVLWLRQV 6ZLWFK SRVLWLRQ LQGLFDWLRQ %DVLF VFKHPH )HHGHU 2)) 6ZLWFK SRVLWLRQ 7KUHHSRVLWLRQ VZLWFK 23(1 &LUFXLWEUHDNHU 23(1 )HHGHU 21 6ZLWFK SRVLWLRQ 7KUHHSRVLWLRQ VZLWFK &/26(' &LUFXLWEUHDNHU &/26(' )HHGHU HDUWKHG 6ZLWFK SRVLWLRQ 7KUHHSRVLWLRQ VZLWFK ($57+(' &LUFXLWEUHDNHU &/26(' ,668( '(6&5,37,21 '$ ';...
Page 13 Description 12 Instrument transformers Current transformer types 0RXQWLQJ ORFDWLRQV q 2Q WKH EXVEDU 12.1 Voltage transformers q 2Q WKH FLUFXLWEUHDNHU KRXVLQJ )HDWXUHV q $W WKH SDQHO FRQQHFWLRQ q $FFRUGLQJ WR ,(& 9'( 3DUW q 2Q WKH FDEOH q &DVWUHVLQ LQVXODWHG q ,QGXFWLYH RSHUDWLRQ q 6DIHWRWRXFK GXH WR PHWDO HQFORVXUH...
Page 14: Panel Connections
Description 13 Gas compartments Example 7KH IROORZLQJ H[DPSOH VKRZV WKH GLVWULEXWLRQ RI WKH JDV FRPSDUWPHQWV LQ D VLQJOHSROH LQVXODWHG Function VZLWFKJHDU 6HYHUDO SDQHOV KDYH EHHQ FRPELQHG WR 7KH GLVWULEXWLRQ RI WKH JDV FRPSDUWPHQWV LV GHFLVLYH LOOXVWUDWH WKH SULQFLSOH ,Q SUDFWLFH KRZHYHU WKH IRU WKH IHDVLELOLW\ RI ZRUN GXULQJ RSHUDWLRQ DQG WKH LQGLYLGXDO JDV FRPSDUWPHQW VFKHPH LV GHFLVLYH UHVXOWLQJ RSHUDWLRQDO UHVWULFWLRQV ,Q FDVH RI IDXOW WKH...
Page 15 Description 14.3 Examples 6LQJOH SOXJLQ FDEOH FRQQHFWLRQ 0XOWLSOH SOXJLQ FDEOH FRQQHFWLRQ Fig. 11: Fig. 12: &RQQHFWLRQ IRU VROLGLQVXODWHG EDU 0XOWLSOH SOXJLQ FDEOH FRQQHFWLRQ ZLWK YROWDJH Fig. 13: Fig. 14: WUDQVIRUPHU SOXJJHG LQ &RQQHFWLRQ IRU JDVLQVXODWHG EDU Fig. 15: Legend 8SSHU SDUW RI IUDPH /RZHU SDUW RI IUDPH )ORRU HJ FRQFUHWH LQVXODWLRQ...
Page 16: Technical Data
Description 15 Technical data 15.1 Rated voltages and currents '$ '$ '$ 5DWHG YROWDJH 5DWHG IUHTXHQF\ *HQHUDO 5DWHG VKRUWGXUDWLRQ SRZHUIUHTXHQF\ ZLWKVWDQG YROWDJH 5DWHG OLJKWQLQJ LPSXOVH ZLWKVWDQG YROWDJH 'LVFRQQHFWRU 5DWHG VKRUWGXUDWLRQ SRZHUIUHTXHQF\ ZLWKVWDQG YROWDJH 5DWHG OLJKWQLQJ LPSXOVH ZLWKVWDQG YROWDJH 5DWHG VKRUWFLUFXLW EUHDNLQJ FXUUHQW...
Page 17 Description Gas pressures in kPa at 20°C %XVEDU KRXVLQJ %XVEDU YROWDJH WUDQVIRUPHU KRXVLQJ &LUFXLWEUHDNHU KRXVLQJ XS WR $ WR $ 5DWHG YROWDJH %,/N9 5DWHG RSHUDWLQJ SUHVVXUH ILOOLQJ SUHVVXUH 0LQ RSHU SUHVVXUH 0D[ RSHU SUHVVXUH 6LJQDO SUHVVXUH GURSV 6LJQDO SUHVVXUH LQFUHDVHV 2SHUDWH YDOXH RI...
Page 18 Description Contents of gas compartments and SF -gas weights per phase *DV FRPSDUWPHQW &RQWHQW RI JDV JDV ZHLJKW DW UDWHG RSHUDWLQJ SUHVVXUH UHODWLYH FRPSDUWPHQW '$ N3D N3D N3D N3D &LUFXLWEUHDNHU KRXVLQJ ZLWK D IXOO\ LQVXODWHG SOXJLQ FRQQHFWLRQ IRU RQH O NJ NJ...
Page 19 Description 5DWLQJ SODWH RI D FLUFXLWEUHDNHU RSHUDWLQJ Fig. 18: PHFKDQLVP H[DPSOH '; %$ '(6&5,37,21 '$ ,668( ...
Page 20: Operation
Operation Operation 16 Operating the circuit-breaker 16.1 Control board &RQWURO ERDUG RI WKH FLUFXLWEUHDNHU SDQHO Fig. 19: 0DQRPHWHU DQG ILOOLQJ VRFNHW RI WKH 6) JDV FRPSDUWPHQWV IRU 21 SXVKEXWWRQ PHFKDQLFDO VHDODEOH E\ WKH FXVWRPHU EXVEDUV / / XQG / /RZYROWDJH FRPSDUWPHQW &ORVLQJ VSULQJ oFKDUJHGppQRW FKDUJHGp LQGLFDWRU &RQWURO DQG LQGLFDWLRQ ERDUG IRU WKUHHSRVLWLRQ VZLWFK 6ZLWFK SRVLWLRQ LQGLFDWRU o&/26('23(1p IRU WKH FLUFXLWEUHDNHU...
Page 21 Operation 16.2 Closing the circuit-breaker manually 16.5 Test operation without auxiliary voltage ,WHP LQ )LJ RQ 3DJH 3HUIRUP WKH IROORZLQJ DFWLRQV WR WHVW LI WKH FLUFXLW ,I WKHUH LV QR ORFN DFWLYH IURP WKH PHFKDQLFDO LQWHUORFN EUHDNHU LV UHDG\ IRU RSHUDWLRQ \RX FDQ FORVH WKH FLUFXLWEUHDNHU HOHFWULFDOO\ RU Õ...
Page 22 Operation 16.6 Test operation with auxiliary voltage (motor operating 16.7 Charging the closing spring manually mechanism) ,WHP LQ )LJ RQ 3DJH ,WHP LQ )LJ RQ 3DJH 7KH FORVLQJ VSULQJ LV FKDUJHG DXWRPDWLFDOO\ DIWHU DSSO\LQJ FRQWURO YROWDJH 7KH HQHUJ\ UHTXLUHG IRU WKH Õ...
Page 23 Operation 17 Operating the three-position switch 7KH OHYHUV IRU RSHUDWLQJ WKH WKUHHSRVLWLRQ VZLWFK DUH ,WHP LQ )LJ RQ 3DJH GLIIHUHQWLDWHG LQ FRORXU DQG GHVLJQ DV IROORZV q 'LVFRQQHFWRU OHYHU SDVVLYDWHG \HOORZ QRVH RQ WKH 17.1 Control elements ULJKW VORW DW WKH WRS q (DUWKLQJ VZLWFK OHYHU UHG QRVH RQ WKH ULJKW VORW RQ WKH OHIW...
Page 24 Operation Õ 7XUQ WKH GLVFRQQHFWRU OHYHU Š clockwise QRVH RQ 17.2 Closing the disconnector manually WKH ULJKW 7KH GLVFRQQHFWRU LV FORVHG Õ 5HPRYH WKH GLVFRQQHFWRU OHYHU Caution! $ PHFKDQLFDO LQWHUORFN SUHYHQWV WKH WKUHHSRVLWLRQ Õ 7XUQ GRXEOHELW NH\ EDFN counter-clockwise DQG VZLWFK IURP EHLQJ RSHUDWHG XQGHU ORDG UHPRYH LW Õ...
Page 25 Operation 7KH QRVH RI WKH HDUWKLQJ VZLWFK OHYHU LV RQ WKH ULJKW 17.4 Earthing manually DQG WKH HDUWKLQJ VZLWFK LV FORVHG Õ 5HPRYH WKH HDUWKLQJ VZLWFK OHYHU Caution! Õ 7XUQ GRXEOHELW NH\ EDFN clockwise DQG UHPRYH LW (DUWKLQJ XQGHU ORDG ZLOO GHVWUR\ WKUHHSRVLWLRQ VZLWFK 7KH RSHQLQJ IRU WKH ($57+,1* 6:,7&+ IXQFWLRQ RI Õ...
Page 26 Operation 7KH RSHQLQJ IRU WKH ',6&211(&725 IXQFWLRQ RI 17.7 Emergency operation of the three-position switch WKH WKUHHSRVLWLRQ VZLWFK LV UHOHDVHG ,I WKH PRWRU YROWDJH IDLOV LQ VZLWFKJHDU ZLWK PRWRU RSHUDWLQJ WKUHHSRVLWLRQ VZLWFKHV DQG WKH WKUHH Õ 3XVK WKH HPHUJHQF\ RSHUDWLQJ OHYHU ZLWKRXW QRVH SRVLWLRQ VZLWFK LV LQ QR GHILQHG VZLWFK SRVLWLRQ \RX VORW PDUNHG RQWR WKH KH[DJRQDO VKDIW IRU WKH PXVW RSHUDWH WKH WKUHHSRVLWLRQ VZLWFK PDQXDOO\ ZLWK...
Page 27 Operation ,I WKH HDUWKLQJ VZLWFK LV closed WKH IROORZLQJ DSSOLHV 7KH HPHUJHQF\ RSHUDWLQJ OHYHU LV LQ YHUWLFDO SRVLWLRQ DQG WKH marking is on the left ,I WKH HDUWKLQJ VZLWFK LV open WKH IROORZLQJ DSSOLHV 7KH HPHUJHQF\ RSHUDWLQJ OHYHU LV LQ YHUWLFDO SRVLWLRQ DQG WKH marking is on the right Õ...
Page 28 Operation 18 Feeder earthing and de-earthing 18.1 Feeder earthing 'R DOZD\V REVHUYH WKH )LYH 6DIHW\ 5XOHV Danger! +LJK YROWDJH 'DQJHU Õ ,VRODWH WKH VZLWFKJHDU Õ 6HFXUH DJDLQVW UHFORVLQJ Õ 9HULI\ VDIH LVRODWLRQ IURP VXSSO\ Õ (DUWK DQG VKRUWFLUFXLW Õ &RYHU RU GLVFRQQHFW DGMDFHQW OLYH SDUWV Earthing the three-position switch and closing the circuit- breaker Õ...
Page 29 Operation 19 Busbar make-proof earthing switch 19.1 Control elements and indicators %XVEDU PDNHSURRI HDUWKLQJ VZLWFK Fig. 32: 23(1&/26(' 0DQXDO RSHUDWLQJ PHFKDQLVP IRU WKH HDUWKLQJ Fig. 31: VZLWFK 2SHUDWLQJ VSLQGOH 6HWVFUHZ 7KH EXVEDU HDUWKLQJ VZLWFK LV HTXLSSHG ZLWK D IDVW FORVLQJ PDQXDO RSHUDWLQJ PHFKDQLVP IRU PDNHSURRI HDUWKLQJ 7KH RSHUDWLQJ OHYHU IRU WKLV PDQXDO RSHUDWLQJ PHFKDQLVP FDQ RQO\ EH SXVKHG RQ RU UHPRYHG ZKHQ...
Page 30 Operation Õ .HHS WKH RSHUDWLQJ OHYHU SUHVVHG RQ RYHU WKH RSHUDWLQJ VSLQGOH ZLWK WKH OHIW KDQG DQG PRYH LW FORFNZLVH GRZQZDUGV E\ Š ZLWK WKH ULJKW KDQG XQWLO LW UHDFKHV WKH YHUWLFDO SRVLWLRQ Õ 5HPRYH WKH RSHUDWLQJ OHYHU 19.3 Opening Caution! $YRLG DQ\ LQWHUPHGLDWH SRVLWLRQ RI WKH EXVEDU PDNH SURRI HDUWKLQJ VZLWFK GXULQJ WKH RSHQLQJ SURFHVV DV...
Page 31 Operation 20 Interlocks 6ZLWFKLQJ GHYLFHV PXVW RQO\ EH RSHUDWHG LQ ORJLFDO q SUHYHQW VZLWFKJHDU GDPDJHV DQG SRZHU IDLOXUHV GHSHQGHQFH RQ WKH VZLWFK SRVLWLRQ RI RWKHU GHYLFHV 7KH LQWHUORFNV DUH PDLQO\ RI WKH PHFKDQLFDO W\SH 8QSHUPLVLEOH VZLWFKLQJ RSHUDWLRQV PXVW EH EORFNHG LQ 'HSHQGHQFHV DV SHU IROORZLQJ WDEOHV RUGHU WR q SURYLGH IXOO SURWHFWLRQ IRU WKH SHUVRQQHO...
Page 32 Operation 21 Safe isolation from supply and correct terminal-phase connections 7KH SDQHOV DUH HTXLSSHG ZLWK WHVW VRFNHWV IRU 21.1 Verification of safe isolation from supply FRQQHFWLRQ RI YROWDJH LQGLFDWLRQ V\VWHPV Õ 5HPRYH WKH FRYHUV IURP WKH FDSDFLWLYH WHVW VRFNHWV / / / Õ...
Page 33 Operation 21.2 Verifying correct terminal-phase connections 2EVHUYH WKH RSHUDWLQJ LQVWUXFWLRQV RI WKH SKDVH FRPSDUDWRU XQLW DQG WHVW FRUUHFW WHUPLQDOSKDVH FRQQHFWLRQV RQ D OLYH FDEOH EHIRUH VZLWFKLQJ RQ IRU WKH ILUVW WLPH Õ 5HPRYH WKH FRYHUV IURP WKH FDSDFLWLYH WHVW VRFNHWV / / / Õ...
Page 34 Operation 22 Overview of switching operations 22.1 Switching operations in the circuit-breaker panel Connecting incoming or outgoing feeder with busbar Disconnecting incoming or outgoing feeder from busbar ,QLWLDO VLWXDWLRQ ,QLWLDO VLWXDWLRQ ,QVHUW GRXEOHELW NH\ 2SHQ WKH FLUFXLWEUHDNHU 7XUQ FORFNZLVH 5HVXOW 2SHQLQJ IRU GLVFRQQHFWRU RSHUDWLRQ LV UHOHDVHG +ROG GLVFRQQHFWRU OHYHU LQ ,QVHUW GRXEOHELW NH\...
Page 35 Operation Feeder earthing Feeder de-earthing ,QLWLDO VLWXDWLRQ ,QLWLDO VLWXDWLRQ ,QVHUW GRXEOHELW NH\ 7DNH SDGORFN RXW RI ORFNLQJ 7XUQ FRXQWHUFORFNZLVH GHYLFH 5HVXOW 2SHQLQJ IRU HDUWKLQJ VZLWFK RSHUDWLRQ LV UHOHDVHG 2SHQ WKH FLUFXLWEUHDNHU +ROG HDUWKLQJ VZLWFK OHYHU LQ KRUL]RQWDO SRVLWLRQ QRVH RQ WKH ,QVHUW GRXEOHELW NH\ ULJKW DQG SXVK LW RQWR WKH 7XUQ FRXQWHUFORFNZLVH...
Page 36 Operation 22.2 Switching operations in the bus sectionaliser Coupling busbar sections ,QLWLDO VLWXDWLRQ o&/26(p GLVFRQQHFWRU LQ FLUFXLWEUHDNHU SDQHO o&/26(p GLVFRQQHFWRU LQ EXV ULVHU SDQHO o&/26(p FLUFXLWEUHDNHU LQ FLUFXLWEUHDNHU SDQHO Decoupling busbar sections ,QLWLDO VLWXDWLRQ o23(1p FLUFXLWEUHDNHU LQ FLUFXLWEUHDNHU SDQHO o23(1p GLVFRQQHFWRU LQ FLUFXLWEUHDNHU SDQHO o23(1p GLVFRQQHFWRU LQ EXV ULVHU SDQH Earthing busbar section 1 ,QLWLDO VLWXDWLRQ...
Page 37 Operation De-earthing busbar section 1 ,QLWLDO VLWXDWLRQ o23(1p FLUFXLWEUHDNHU LQ FLUFXLWEUHDNHU SDQHO p23(1p HDUWKLQJ VZLWFK LQ EXV ULVHU SDQHO o23(1p GLVFRQQHFWRU LQ FLUFXLWEUHDNHU SDQHO Earthing busbar section 2 ,QLWLDO VLWXDWLRQ o&/26(p GLVFRQQHFWRU LQ EXV ULVHU SDQHO o&/26(p HDUWKLQJ VZLWFK LQ FLUFXLWEUHDNHU SDQHO o&/26(p FLUFXLWEUHDNHU LQ FLUFXLWEUHDNHU SDQHO De-earthing busbar section 2 ,QLWLDO VLWXDWLRQ...
Page 38 Operation 22.3 Switching operations for top-mounted busbar sectionaliser Coupling busbar sections ,QLWLDO VLWXDWLRQ &/26( GLVFRQQHFWRU LQ OHIWKDQG EXVEDU VHFWLRQ &/26( GLVFRQQHFWRU LQ ULJKWKDQG EXVEDU VHFWLRQ Decoupling busbar sections ,QLWLDO VLWXDWLRQ 23(1 GLVFRQQHFWRU LQ OHIWKDQG EXVEDU VHFWLRQ 23(1 GLVFRQQHFWRU LQ ULJKWKDQG EXVEDU VHFWLRQ Earthing busbar section 1 ,QLWLDO VLWXDWLRQ &/26( GLVFRQQHFWRU LQ OHIWKDQG EXVEDU VHFWLRQ...
Page 39 Operation De-earthing busbar section 1 ,QLWLDO VLWXDWLRQ 23(1 HDUWKLQJ VZLWFK LQ ULJKWKDQG EXVEDU VHFWLRQ 23(1 GLVFRQQHFWRU LQ OHIWKDQG EXVEDU VHFWLRQ Earthing busbar section 2 ,QLWLDO VLWXDWLRQ &/26( HDUWKLQJ VZLWFK LQ ULJKWKDQG EXVEDU VHFWLRQ &/26( GLVFRQQHFWRU LQ OHIWKDQG EXVEDU VHFWLRQ De-earthing busbar section 1 ,QLWLDO VLWXDWLRQ 23(1 HDUWKLQJ VZLWFK LQ OHIWKDQG EXVEDU VHFWLRQ 23(1 GLVFRQQHFWRU LQ ULJKWKDQG EXVEDU VHFWLRQ...
Page 40 Operation 22.4 Switching operations for disconnectable voltage transformers Connecting voltage transformers with busbar 1 Disconnecting voltage transformers from busbar 1 Earthing voltage transformers De-earthing voltage transformers ,668( 23(5$7,21 '$ '; %$...
Page 41: Maintenance
Servicing Servicing 23 Maintenance 23.1 Switchgear maintenance 7KH IL[HGPRXQWHG FLUFXLWEUHDNHU VZLWFKJHDU RI WKH '$ VHULHV LV PDLQWDLQHG DFFRUGLQJ WR DQ LQVSHFWLRQ VFKHGXOH 7R SUHYHQW DQ\ GDQJHU GXULQJ PDLQWHQDQFH SOHDVH REVHUYH WKH IROORZLQJ VDIHW\ LQVWUXFWLRQV 23.2 Safety instructions Danger! +LJKYROWDJH 'DQJHU 7RXFKLQJ OLYH SDUWV ZLOO FDXVH GHDWK RU VHULRXV LQMXULHV 2EVHUYH WKH )LYH 6DIHW\ 5XOHV Õ...
Page 42 Servicing 23.3 Inspection schedule 6ZLWFKJHDU PDLQWHQDQFH PXVW EH FDUULHG RXW DW WKH IROORZLQJ LQWHUYDOV 8DA10 8DA11/12 9LVXDO LQVSHFWLRQ HYHU\ \HDUV HYHU\ \HDUV 0LQRU LQVSHFWLRQ HYHU\ \HDUV HYHU\ \HDUV 0DMRU LQVSHFWLRQ HYHU\ \HDUV RU DIWHU RSHUDWLQJ F\FOHV RI WKH HYHU\ \HDUV RU DIWHU RSHUDWLQJ F\FOHV RI WKH GLVFRQQHFWRUV DQG HDUWKLQJ VZLWFKHV GLVFRQQHFWRUV RU RSHUDWLQJ F\FOHV RI WKH HDUWKLQJ VZLWFKHV...
Page 43 Servicing Õ $OZD\V UHSODFH UHPRYHG 2ULQJV ZLWK QHZ RQHV 1RWH 2ULQJV DUH DYDLODEOH DW \RXU 6LHPHQV 6HUYLFH &HQWUH Caution! Õ &OHDQ WKH VXUIDFHV DQG JURRYHV LQ WKH IODQJHV ZLWK D &KHPLFDO UHDFWLRQ EHWZHHQ FOHDQLQJ DJHQW FRQWDLQLQJ OLQWIUHH UDJ FDUERQ K\GURJHQ DQG LQVXODWLQJ PDWHULDO Õ...
Page 44: Cable Testing
Servicing *HUPDQ\ WKH ORFDOO\ DSSOLFDEOH UHJXODWLRQV PXVW EH 23.8 Switchgear extension and replacement of panels and IROORZHG components 6KRXOG \RX UHTXLUH IXUWKHU LQIRUPDWLRQ SOHDVH FRQWDFW )RU VZLWFKJHDU H[WHQVLRQ DQG UHSODFHPHQW RI \RXU 6LHPHQV 6HUYLFH &HQWUH FRPSRQHQWV SOHDVH FRQWDFW WKH ORFDO 6LHPHQV 6HUYLFH &HQWUH ,QIRUPDWLRQ UHTXLUHG IRU VSDUH SDUW RUGHUV RI VLQJOH 24 Cable testing...
Page 45: Accessories And Spare Parts
Servicing 24.3 Procedure 25.2 Accessories for the circuit-breaker 7KH IROORZLQJ DFFHVVRULHV FDQ EH RUGHUHG GLUHFWO\ DW Õ (DUWK WKH IHHGHU WKH PDQXIDFWXUHU V Õ 6ZLWFK GLVFRQQHFWDEOH YROWDJH WUDQVIRUPHUV WR q /XEULFDQW IRU EHDULQJV DQG VOLGLQJ VXUIDFHV o($57+p RU UHPRYH QRQGLVFRQQHFWDEOH YROWDJH ,VRIOH[ 7RSDV / WUDQVIRUPHUV .OÖEHU /XEULFDWLRQ .*...
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