Siemens SIMOSEC User manual

Medium-Voltage Switchgear
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OPERATING
INSTRUCTIONS
Installation
Operation
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Issue 2004-04

2REVISION 02 * OPERATING INSTRUCTIONS SIMOSEC * 832-6008.0
About these instructions
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Safetyinstructions
4REVISION 02 * SAFETY INSTRUCTIONS * 832-6008.0
Safety instructions
1 Signal terms and definitions
2 Due application
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832-6008.0 * SAFETY INSTRUCTIONS * REVISION 02 5
Safety instructions
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4 Five safety rules of electrical engineering
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Installation
6REVISION 02 * INSTALLATION SIMOSEC * 832-6008.0
Installation
5 Before installation
Preliminary clarifications
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832-6008.0 * INSTALLATION SIMOSEC * REVISION 02 7
,QVWDOODWLRQ
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q RWKHUSDFNLQJVLQVSHFLDOFDVHVHJODWWLFHGFUDWHFDUGERDUGER[IRUDLU IUHLJKW
Completeness and transport damage
Checking for
completeness
Õ&KHFNZKHWKHUWKHGHOLYHU\LVFRPSOHWHDQGFRUUHFWXVLQJWKHGHOLYHU\QRWHDQG
SDFNLQJOLVWV
Õ&RPSDUHWKHVHULDOQXPEHURIWKHVZLWFKJHDURQWKHGHOLYHU\QRWHZLWKWKDWRQWKH
SDFNLQJDQGWKHUDWLQJSODWHVRIWKHSDQHOV
Õ&KHFNZKHWKHUWKHDFFHVVRULHVDUHFRPSOHWHDFFRUGLQJWRWKHLWHPQXPEHUVRIWKH
/LVWRIORRVHGHOLYHU\DQQH[WRWKHGLVSDWFKQRWH
q 7KHDFFHVVRULHVDUHVXSSOLHGLQWKHVZLWFKJHDUVXEIUDPHVHH6HUYLFLQJ3DJH 
RULQDVHSDUDWHSDFNLQJ
Checking for
transport damages
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UHPRYHWKH3(VKHHWLQJXQWLOUHDFKLQJWKHPRXQWLQJSRVLWLRQLQRUGHUWRNHHSWKH
VZLWFKJHDUDVFOHDQDVSRVVLEOH
Õ2SWLRQ&KHFNWKHUHDG\ IRU VHUYLFHLQGLFDWRUIRU6)JDVVHH'HVFULSWLRQ3DJH 
Õ,QIRUPWKHIRUZDUGLQJDJHQWLPPHGLDWHO\DERXWDQ\GHIHFWVRUWUDQVSRUWGDPDJHVLI
UHTXLUHGUHIXVHWRDFFHSWWKHGHOLYHU\
Õ$VIDUDVSRVVLEOHGRFXPHQWODUJHUGHIHFWVDQGWUDQVSRUWGDPDJHVSKRWRJUDSKLFDOO\
SUHSDUHDGDPDJHUHSRUWDQGLQIRUPWKH6LHPHQV6HUYLFH&HQWUHLPPHGLDWHO\
Õ5HILWWKHSDFNLQJ
Unloading and transport at site
Please observe:
q 5HDGWKHZHLJKWRQWKHGLVSDWFKQRWH
q /HDYHWKHWUDQVSRUWXQLWVSDFNHGDVORQJDVSRVVLEOH
q 2SHQWKH3(SURWHFWLRQVKHHWLQJRQO\DVIDUDVUHTXLUHGIRUWUDQVSRUW
DANGER!
If incorrectly transported, transport units falling down can endanger people or damage transport units.
Õ0DNHVXUHWKDWWKHOLIWLQJDQGWUDQVSRUWJHDUXVHGPHHWVWKHUHTXLUHPHQWVDV
UHJDUGVFRQVWUXFWLRQDQGORDG EHDULQJFDSDFLW\
Õ2EVHUYHHYHQZHLJKWGLVWULEXWLRQDQGWKHFHQWUHRIJUDYLW\

Installation
8REVISION 02 * INSTALLATION SIMOSEC * 832-6008.0
q $WWDFKURSHVIDUHQRXJKRQWKHKRLVWLQJWDFNOHVRWKDWWKH\FDQQRWH[HUWDQ\IRUFHVRQ
WKHVZLWFKSDQHOZDOOVXQGHUORDG
q 0RYHWKHWUDQVSRUWXQLWDVIDUDVSRVVLEOHWRJHWKHUZLWKWKHZRRGHQSDOOHW
Intermediate storage
,QWHUPHGLDWHVWRUDJHRIWUDQVSRUWXQLWV
q ,QRULJLQDOSDFNLQJDVIDUDVSRVVLEOH
q ,QDZHDWKHUSURRISODFH
q 3URWHFWHGDJDLQVWGDPDJH
Transport with transport lugs
$SDQHOJURXSFRQVLVWLQJRIPRUHWKDQWZRSDQHOVLVWUDQVSRUWHGZLWKDOLIWLQJJHDUWR
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7UDQVSRUWXQLWVZLWKVZLWFKJHDUHQGZDOOVDUHHTXLSSHGZLWKDVSHFLDOWUDQVSRUWOXJ
)RUWUDQVSRUWZLWKDIRUN OLIWWUXFNWKHWUDQVSRUWXQLWLVOLIWHGE\PHDQVRIWZRFDUU\LQJ
URGVZKLFKDUHILWWHGWKURXJKWKHWUDQVSRUWOXJV
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Õ5HPRYHWKHFDEOHFRPSDUWPHQWFRYHUIURPWKHSDQHOVXEIUDPHVHH6HUYLFLQJ
3DJH 
Õ5HPRYHWKHWUDQVSRUWXQLWIURPWKHZRRGHQSDOOHW
7KHWUDQVSRUWXQLWLVVFUHZHGRQWRWKHZRRGHQSDOOHWDWWKHVZLWFKJHDUVXEIUDPH
Õ5HPRYH3(SURWHFWLRQVKHHWLQJ
Õ7DNHRXWWKHDFFHVVRULHVLIDSSOLFDEOH
Õ5HPRYHWKHIL[LQJVFUHZVRIWKHVZLWFKJHDUIUDPHIURPWKHZRRGHQSDOOHW
Õ'LVSRVHRIWKHSDFNLQJPDWHULDOLQDQHQYLURQPHQW FRPSDWLEOHZD\
CAUTION!
Incorrect transport will damage the transport unit.
Õ7KHVSUHDGLQJDQJOHRIWKHIL[LQJJHDULVVPDOOHUWKDQ
Õ2EVHUYHWKHFHQWUHRIJUDYLW\RIWKHWUDQVSRUWXQLW
Õ8VHSHUPLVVLEOHIL[LQJJHDURQO\
aTransport unit
sTransport lug
dHigh end wall with
special transport lug
fCrane
gLifting gear

832-6008.0 * INSTALLATION SIMOSEC * REVISION 02 9
,QVWDOODWLRQ

Õ/LIWWKHWUDQVSRUWXQLWVORZO\
Õ7UDQVSRUWWKHWUDQVSRUWXQLW
Õ6ORZO\ORZHUWKHWUDQVSRUWXQLW
Õ5HPRYHWKHWUDQVSRUWVOLQJVOLIWLQJJHDU
Õ5HPRYHWKHWUDQVSRUWOXJV
q 8QGRWKHVFUHZV
q 5HPRYHWKHWUDQVSRUWOXJV
q 5HILWWKHVFUHZVSURWHFWLRQDJDLQVWHOHFWULFVKRFNDQGIRUHLJQERGLHV
Transport at site without wooden pallet
,IWKHWUDQVSRUWXQLWFDQQRWEHORZHUHGGLUHFWO\RQWRLWVPRXQWLQJSRVLWLRQSOHDVH
SURFHHGDVIROORZV
Õ7UDQVSRUWWKHWUDQVSRUWXQLWDVIDUDVSRVVLEOHXVLQJWKHWUDQVSRUWOXJV
Õ6ORZO\ORZHUWKHWUDQVSRUWXQLWRQWRWKHUROOHUSDGVUHLQIRUFHGUROOHUV
Õ3XVKWKHWUDQVSRUWXQLWWRWKHPRXQWLQJSRVLWLRQ
Õ/LIWWKHWUDQVSRUWXQLWDWWKHVLGHHGJHVZLWKUROOHUFURZEDUVDQGORZHULWVORZO\RQWR
WKHPRXQWLQJSRVLWLRQ
CAUTION!
Incorrect transport will distort the panel frames.
Õ8VHUROOHUSDGVZLWKDGHTXDWHVL]HRQO\
Õ$SSO\UROOHUSDGVRQO\DWWKHSRLQWVSURYLGHGIRUWKLVSXUSRVH
Fig. 1: 7UDQVSRUWZLWKUROOHUSDGV
aTransport unit
sRoller pad (reinforced roller)

Installation
10 REVISION 02 * INSTALLATION SIMOSEC * 832-6008.0
7 Installing the panels
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q WKHWUDQVSRUWXQLWVDUHLQVWDOOHGVWDUWLQJIURPWKHOHIW
q DQHZVZLWFKJHDULVEHLQJLQVWDOOHGZKLFKKDVQRWEHHQFRQQHFWHGWRWKHPDLQV\HW
DQGWKDWLWLVWKHUHIRUHQRWOLYH
7.1 Installing the end wall
7KHUHPXVWQRWEHDQ\SDUWLWLRQZDOOEHWZHHQWKHHQGZDOODQGWKHIUDPHRIWKHHQG
SDQHO3DUWLWLRQZDOOVDUHRQO\XVHGWRVHSDUDWHLQGLYLGXDOSDQHOVUHVSHFWLYHO\WKHFDEOH
FRPSDUWPHQWVVHH)LJ%ROWHGMRLQWRISDQHOV7KHHQGSDQHOVDUHGHOLYHUHGH[
ZRUNVZLWKRXWSDUWLWLRQZDOOH[FHSWIRUJURXSRUGHUVZLWKRXWDVSHFLILHGSDQHO
FRQILJXUDWLRQ,QWKLVFDVHUHPRYHWKHSDUWLWLRQZDOOEHIRUHVWDUWLQJLQVWDOODWLRQ
Installing left end wall Õ3UHVVWKHHQGZDOORQWRWKHIUDPHRIWKHSDQHODQGKROGLW
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Õ,QVZLWFKJHDUZLWKSUHVVXUHUHOLHIGXFWRQWKHUHDU,QDGGLWLRQULYHWHQGZDOO
WRJHWKHUZLWKSUHVVXUHUHOLHIGXFW
Installing right end wall 7KHULJKWHQGZDOOLVPRXQWHGLQDQDORJ\WRWKHOHIWHQGZDOO
Fig. 2: )L[LQJSRLQWVRIOHIWHQGZDOO Fig. 3: )L[LQJSRLQWVRIOHIWHQGZDOO
ZLWKRSWLRQDOEXUQ WKURXJK
SURWHFWLRQ
aLeft end panel
s)UDPHRIHQGSDQHO
dLeft end wall
fLeft end wall with optional burn-
through protection
gFixing points
hScrew with contact washer

832-6008.0 * INSTALLATION SIMOSEC * REVISION 02 11
,QVWDOODWLRQ

7.2 Aligning the panel and fastening to the foundation
Aligning the panel 2EVHUYHWKHPLQLPXPGLVWDQFHVWRWKHVLGHDQGUHDUZDOORIWKHVZLWFKJHDUURRPLQ
DFFRUGDQFHZLWKWKHVZLWFKJHDUDUUDQJHPHQW
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UHOHYDQWGLPHQVLRQGUDZLQJDQGDUUDQJHPHQWGLDJUDP
7KHVZLWFKJHDUPD\KDYHDOHYHOGLIIHUHQFHRIPPPDVDPD[LPXP
Õ$OLJQWKHSDQHOLQKRUL]RQWDOSRVLWLRQ
Õ$OLJQWKHSDQHOLQYHUWLFDOSRVLWLRQ
r 7KHSDQHOLVDOLJQHGOHYHOOHGWRPD[PPP
Fastening the panel
to the foundation
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7KHUHDUHWZRSRVVLELOLWLHVIRUIDVWHQLQJWKHSDQHOGXUDEO\WRWKHIRXQGDWLRQ
q VFUHZLQJRQIRXQGDWLRQVUDLOV
q VFUHZLQJRQIRXQGDWLRQGRZHOV
CAUTION!
A distorted panel frame will impair the function of the switchgear.
Õ/D\VKLPVXQGHUWKHSDQHOIUDPHLIUHTXLUHG
Fig. 4: 6FUHZHGMRLQWZLWKIRXQGDWLRQUDLO
aBase fame of the panel
sFoundation rail
dDowel
fFoundation
gWasher da= 3 x di; di= 10.5 mm
hScrew with contact washer
Fig. 5: 6FUHZHGMRLQWZLWKIRXQGDWLRQGRZHOV

Installation
12 REVISION 02 * INSTALLATION SIMOSEC * 832-6008.0
Screwing the panel to the
foundation rails
Õ$OLJQWKHSDQHOLQKRUL]RQWDODQGYHUWLFDOSRVLWLRQ
Õ6FUHZWKHSDQHORQWRWKHIRXQGDWLRQUDLOVIUHHIURPGLVWRUWLRQV
Screwing the panel to the
foundation dowels
Õ'ULOOGRZHOKROHVDFFRUGLQJWRWKHKROHSDWWHUQVHHGLPHQVLRQGUDZLQJ
Õ)LWWKHGRZHOV
Õ&OHDQWKHSDQHOIRUPGULOOLQJGXVW
Õ$OLJQWKHSDQHOLQKRUL]RQWDODQGYHUWLFDOSRVLWLRQ
Õ6FUHZWKHSDQHOWRWKHIRXQGDWLRQGRZHOVIUHHIURPGLVWRUWLRQV
7.3 Aligning and joining another panel
)RUWURXEOH IUHHRSHUDWLRQDOOSDQHOVPXVWEHLQYHUWLFDOSRVLWLRQDQGPD\RQO\KDYHD
KRUL]RQWDOOHYHOGLIIHUHQFHRIPPP
Õ(VWDEOLVKWKHVDPHOHYHOPPPXVLQJFRPSHQVDWLRQVKLPVf
Õ$OLJQWKHSDQHOdLQKRUL]RQWDODQGYHUWLFDOSRVLWLRQ
Fig. 6: /HYHOFRPSHQVDWLRQRISDQHOV
aFoundation
sAligned panel
dNext panel
fCompensation shims 0.5 - 1.0 mm

832-6008.0 * INSTALLATION SIMOSEC * REVISION 02 13
,QVWDOODWLRQ

Joining panels 7KHSDQHOVDUHMRLQHGZLWKWKHVXSSOLHGPDWHULDO
Õ%ROWSDQHOVWRJHWKHUIUHHIURPGLVWRUWLRQV
Õ9HULI\KRUL]RQWDODQGYHUWLFDODOLJQPHQWRISDQHOV
Joining rear walls (for
free-standing arrangement)
,QFDVHRIIUHH VWDQGLQJDUUDQJHPHQWWKHUHDUZDOOVRIWKHSDQHOVPXVWEHMRLQHGZLWK
FRQQHFWLQJOLQNV
Õ5LYHWWKHFRQQHFWLQJOLQNRQWRWKHSUHVVXUHUHOLHIGXFWVDWWKHUHDU
Fig. 7: %ROWHGMRLQWRISDQHOV
aBolted joints at the panel frame
sPartition wall
dBolt with contact washer
fSetnut
Fig. 8: -RLQLQJUHDUZDOOV
IRUIUHH VWDQGLQJDUUDQJHPHQWRQO\
aRear wall of pressure relief duct
sConnecting link
dRiveting point

Installation
14 REVISION 02 * INSTALLATION SIMOSEC * 832-6008.0
7.4 Installing the busbar
$GGLWLRQDORSHUDWLRQVRQVZLWFKJHDUZLWKUDWHGYROWDJHVRIPRUHWKDQN9DUHLGHQWLILHG
ZLWK!N96NLSWKHVHRSHUDWLRQVZKHQLQVWDOOLQJVZLWFKJHDUZLWKUDWHGYROWDJHVXS
WR N9
Access to
busbar compartment
$FFHVVWREXVEDUFRPSDUWPHQW
q IURPWKHVLGHGXULQJLQVWDOODWLRQ
q IURPDERYHWKURXJKWKHFRYHURIWKHEXVEDUFRPSDUWPHQW
Cleaning points of contact Õ5XESRLQWVRIFRQWDFWEULJKWZLWKZLUHEUXVKRUHPHU\SDSHU
Cleaning bushing-type
insulators / busbars
Õ&OHDQEXVKLQJ W\SHLQVXODWRUVEXVEDUVZLWKFOHDQLQJDJHQWDQGDOLQW IUHHUDJ
Õ'U\EXVKLQJ W\SHLQVXODWRUVEXVEDUVZLWKDOLQW IUHHUDJ
CAUTION!
Insufficient electrical contact increases the transition resistance.
Õ&OHDQR[LGLVHGSRLQWVRIFRQWDFW
Õ'RQRWGDPDJHFRQWDFWVXUIDFHV
Õ0RXQWWKHEXVEDUWLJKWDQGIUHHIURPGLVWRUWLRQVDQGJDSV
CAUTION!
Flashover due to polluted bushing-type insulators / busbars.
Õ&OHDQEXVKLQJ W\SHLQVXODWRUV
Õ&OHDQEXVEDUV
Fig. 9: $FFHVVWREXVEDUFRPSDUWPHQW
aCover of busbar compartment
sBusbar compartment

832-6008.0 * INSTALLATION SIMOSEC * REVISION 02 15
,QVWDOODWLRQ

Fastening busbars
Õ$VVHPEOHWKHEXVEDUVDQGWKHIL[LQJPDWHULDORQWKHSRLQWVRIFRQWDFWRIWKHSDQHO
Õ6FUHZWKHEXVEDUWLJKWWLJKWHQLQJWRUTXH1P
Fig. 10: )DVWHQLQJEXVEDUVXSWRN9
aBushing-type insulator
sContact plate
dSpacer
fBusbar 12 kV (630 A: square/1250 A: round)
gBusbar >12 kV (630 A: square with shrink-on sleeve/1250 A: round
without shrink-on sleeve)
hStrain washer
jBolt for 630 A busbars
kHolding clip
lShrink-on sleeve
;Bolt for 1250 A busbars
Fig. 11: )DVWHQLQJEXVEDUV! N9

Installation
16 REVISION 02 * INSTALLATION SIMOSEC * 832-6008.0
Fitting insulating caps (> 12 kV)
Õ)LWLQVXODWLQJFDSRQSRLQWRIFRQWDFWRIEXVEDU
Õ6QDSLQVXODWLQJFDSRQWRKROGLQJFOLS
Õ&KHFNVHDWRILQVXODWLQJFDS
CAUTION!
Switchgear damages due to flashover caused by lacking insulation at the busbar.
Õ3XVKWKHLQVXODWLQJFDSRQWRWKHKROGLQJFOLSRIWKHEROWHGEXVEDUMRLQW
Õ&KHFNEXVEDULQVXODWLRQIRUGDPDJHV
Fig. 12: )LWWLQJLQVXODWLQJFDS
aPoint of contact of busbar
sBusbar with insulation
d+ROGLQJFOLS
fInsulating cap of busbar end
piece
gInsulating cap of busbar joint

832-6008.0 * INSTALLATION SIMOSEC * REVISION 02 17
,QVWDOODWLRQ

7.5 Installing the earthing busbar
$OOSDQHOVRIWKHVZLWFKJHDUDUHFRQGXFWLYHO\FRQQHFWHGE\PHDQVRIWKHHDUWKLQJ
EXVEDU
Õ6HOHFWWKHHDUWKLQJEXVEDUVDFFRUGLQJWRWKHSDQHOZLGWK
Õ%ROWWKHILUVWHDUWKLQJEXVEDUWRJHWKHUZLWKWKHHQGSDQHO
Õ%ROWWKHHDUWKLQJEXVEDUVRIWKHRWKHUSDQHOVWRJHWKHU
7.6 Installing the end wall
7KHLQVWDOODWLRQRIWKHVZLWFKSDQHOVLVFRPSOHWHGE\LQVWDOOLQJWKHVHFRQGHQGZDOOVHH
,QVWDOODWLRQ3DJH 
CAUTION!
Insufficient electrical contact increases the transition resistance.
Õ&OHDQR[LGLVHGSRLQWVRIFRQWDFW
Õ0RXQWWKHHDUWKLQJEXVEDUWLJKWDQGIUHHIURPGLVWRUWLRQVDQGJDSV
Fig. 13: %ROWHGMRLQWRIHDUWKLQJEXVEDUWRSYLHZ
aPanel frame fStrain washer
sSetbolt gNut
dEarthing busbar hSaucer-head bolt

Installation
18 REVISION 02 * INSTALLATION SIMOSEC * 832-6008.0
7.7 Connecting the station earth to the switchgear frame
7KHVZLWFKJHDUPXVWEHFRQQHFWHGWRWKHVWDWLRQHDUWKDWWKHHDUWKLQJSRLQWV7KH
SRVLWLRQRIWKHHDUWKLQJSRLQWVLVVKRZQLQWKHGLPHQVLRQGUDZLQJ
5HFRPPHQGHGSRLQWVRIFRQQHFWLRQIRUWKHVWDWLRQHDUWK
q WKHWZRH[WHULRUSDQHOV
q HYHU\WKLUGSDQHORIWKHVZLWFKJHDU
q HDFKPHWHULQJSDQHO
7KHVWDWLRQHDUWKFDQEHRSWLRQDOO\FRQQHFWHGWRWKHSDQHOLQVLGHRURXWVLGH
Õ6HOHFWPRXQWLQJGLUHFWLRQRIVWDWLRQHDUWKWRWKHLQVLGHRXWVLGH
Õ%ROWWKHVWDWLRQHDUWKWRJHWKHUZLWKWKHVZLWFKJHDUIUDPH
r 7KHVZLWFKJHDUIUDPHLVHDUWKHG
Fig. 14: 6ZLWFKJHDUIUDPHZLWKHDUWKLQJSRLQW
EROWHGMRLQW0
aRight end panel
sStation earth
dNut
fCable lug
gPanel frame
hStrain washer
j3 washers da= 3 x di;
di= 17 mm
kSaucer-head bolt
lEarthing point
;Left end panel

832-6008.0 * INSTALLATION SIMOSEC * REVISION 02 19
,QVWDOODWLRQ

8 Installing low-voltage compartments
Õ0RXQWDOOORZ YROWDJHFRPSDUWPHQWVRQWRWKHSDQHOVDQGLQWHUFRQQHFWWKHPLI
UHTXLUHG
Õ&RQQHFWDOOORZ YROWDJHFDEOHVWRWKHVZLWFKJHDUDFFRUGLQJWRWKHWHUPLQDOSOXJDQG
FDEOHGHVLJQDWLRQVRIWKHFLUFXLWGLDJUDPV
9 Connecting high-voltage cables
$GGLWLRQDORSHUDWLRQVRQVZLWFKJHDUZLWKUDWHGYROWDJHVRIPRUHWKDQN9DUHLGHQWLILHG
ZLWK!N96NLSWKHVHRSHUDWLRQVZKHQLQVWDOOLQJVZLWFKJHDUZLWKUDWHGYROWDJHVXS
WR N9
9.1 Preparing connection of high-voltage cables
Preconditions 3UHFRQGLWLRQVIRUFRQQHFWLQJKLJK YROWDJHFDEOHVWRWKHSDQHOV
q 7KHVZLWFKJHDUIUDPHLVFRQQHFWHGWRWKHVWDWLRQHDUWK
q7KHcable-type current transformers are mounted on the high-voltage cables
q 7KHFDEOHVHDOLQJHQGVKDYHEHHQDVVHPEOHGDFFRUGLQJWRWKHPDQXIDFWXUHUnV
LQVWUXFWLRQVVHHXVHULQIRUPDWLRQRIFDEOHVHDOLQJHQGPDQXIDFWXUHU
Safety instructions
Fig. 15: ,QVWDOODWLRQRIORZ YROWDJHFRPSDUWPHQW
aTerminal connection
compartment for customer-side
low-voltage equipment
sFixing point of low-voltage
compartment
dEntry for control cables
fLow-voltage compartment
gPanel
hLow-voltage cable
DANGER!
Mortal danger due to live parts.
Õ,VRODWHWKHSDQHO
Õ6HFXUHDJDLQVWUHFORVLQJ
Õ9HULI\VDIHLVRODWLRQIURPVXSSO\
Õ(DUWKDQGVKRUW FLUFXLW
Õ&RYHUDGMDFHQWOLYHSDUWVRUSURWHFWWKHPZLWKEDUULHUV

Installation
20 REVISION 02 * INSTALLATION SIMOSEC * 832-6008.0
Cleaning points of contact Õ5XESRLQWVRIFRQWDFWEULJKWZLWKZLUHEUXVKRUHPHU\SDSHU
Cleaning cable elbow
coupling / cable lug
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Aligning high-voltage cable Õ8QWZLVWFDEOH
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Fixing high-voltage cable
on cable bracket
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WKHFDEOHFODPSVDUHORFDWHGXQGHUQHDWKWKHFDEOHVHDOLQJHQG
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FDEOHFODPSV
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r 7KHVWUDLQUHOLHILVPRXQWHG
Fixing cable-type
current transformers
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FDEOHFODPSVDQGWKHIORRUFRYHUSURWHFWLRQDJDLQVWVPDOODQLPDOVWKHWUDQVIRUPHUFDQ
DOVREHIL[HGXQGHUQHDWKWKHRSWLRQDOIORRUFRYHU
Õ%UHDNWKHUHFHVVIRUWKHUHWDLQLQJGHYLFHRXWRIWKHRSWLRQDOIORRUFRYHUDWWKHSRLQW
SURYLGHGIRUWKLVSXUSRVH
Õ%ROWWKHUHWDLQLQJGHYLFHIRUWKHFDEOH W\SHFXUUHQWWUDQVIRUPHUWRJHWKHUZLWKWKH
FDEOHEUDFNHW
Õ)L[WKHFDEOH W\SHFXUUHQWWUDQVIRUPHURQWKHUHWDLQLQJGHYLFH
Õ/D\WKHVHFRQGDU\OHDGVRIWKHFDEOH W\SHFXUUHQWWUDQVIRUPHUWKURXJKWKHPHWDO
WXEHWRWKHDVVRFLDWHGWHUPLQDOVWULSLQWKHWHUPLQDOFRQQHFWLRQFRPSDUWPHQWIRU
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CAUTION!
Insufficient electrical contact increases the transition resistance.
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JDSV
CAUTION!
Switchgear damages due to flashover caused by lacking insulation at the cable connection.
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FRQQHFWLRQV
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Õ'RQRWGDPDJHWKHEROWFRYHURYHUWKHSRLQWVRIFRQWDFWRIWKHFDEOH
FRQQHFWLRQV
CAUTION!
Switchgear damages due to missing strain relief.
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