Siemens NXAIR P - Shield Grounding; Electromagnetic Compatibility

Installation NXAIR P
6*,0,167$//$7,211;$,53$16,

Õ /XEULFDWHDQ\PRYLQJSDUWVVXFKDVKLQJHV
VKXWWHUVHWFLIVWRUDJHLVIRUDQH[WHQVLYHSHULRGRI
WLPH
Õ &RQQHFWEDWWHULHVLIVXSSOLHGWRDFKDUJHU
3AK1 Circuit Breaker
9DFXXPFLUFXLWEUHDNHUVLIQRWLQVWDOOHGLQWKHLU
UHVSHFWLYHVZLWFKJHDUFRPSDUWPHQWVPXVWEHVWRUHG
LQGRRUV2XWGRRUVWRUDJHRIFLUFXLWEUHDNHUVRWKHU
WKDQLQVLGHWKHLUUHVSHFWLYHVZLWFKJHDUFRPSDUWPHQWV
LVnot recommended.
6KRUWWHUPVWRUDJHGD\VRUOHVV
Õ 7KHOLIWWUXFNLIIXUQLVKHGPD\EHVWRUHGRXWGRRUV
SURYLGHGWKDWLWLVDGHTXDWHO\FRYHUHGWRSURWHFWLW
IURPWKHZHDWKHU
([WHQGHGVWRUDJHPRUHWKDQGD\V
Õ 6WRUHWKHOLIWWUXFNLIIXUQLVKHGLQGRRUVWRSUHYHQW
GDPDJHWROLIWLQJPHFKDQLVP
8.8 Electromagnetic Compatibility
7KHXVHRIHOHFWURQLFDQGGLJLWDOVXEVWDWLRQFRQWURODQG
SURWHFWLRQHTXLSPHQWDQGWKHFRPSDFWGHVLJQRI
PRGHUQVZLWFKJHDUUHTXLUHVSHFLDODWWHQWLRQWR(0&
PHDVXUHV
7KHIROORZLQJGHVFULEHVWKHPHDVXUHVWDNHQE\
6LHPHQVWRHQVXUHHOHFWURPDJQHWLFFRPSDWLELOLW\
(0&7KH\GRQRWDOZD\VFRYHUVSHFLDOUHTXLUHPHQWV
RIWKHRSHUDWRUZLWKUHJDUGWRWKHVXEVWDWLRQFRQWURO
DQGSURWHFWLRQHTXLSPHQW7KHVHPHDVXUHVVKRXOGEH
WDNHQLQWRDFFRXQWE\WKHLQVWDOOHUZKHQOD\LQJFDEOHV
DQGZLUHV
7KHPHDVXUHVOLVWHGEHORZPXVWEHREVHUYHGZKHQ
OD\LQJFDEOHVDQGZLUHVLQRUGHUWRDFKLHYH(0&
%DVLFPHDVXUHVIRUHQVXULQJ(0&KDYHDOUHDG\EHHQ
WDNHQLQWKHGHVLJQDQGLQVWDOODWLRQRIWKHFDELQHWV
7KHVHPHDVXUHVDOVRDSSO\WRWKHOD\LQJRIFDEOHVDQG
ZLUHV
)RUH[DPSOHWKHPHDVXUHVLQFOXGH
q 3K\VLFDOVHSDUDWLRQRIVLJQDOZLUHVZKLFKDUH
VHQVLWLYHWRLQWHUIHUHQFHDQGVLJQDOZLUHVZLWKKLJK
LQWHUIHUHQFHYROWDJHOHYHOV
q *RRGUHOLDEOHJURXQGFRQQHFWLRQVYLDWRRWKHG
FRQWDFWZDVKHUVRUORFNLQJZDVKHUV
q /LPLWDWLRQRIVZLWFKLQJRYHUYROWDJHVE\FRQQHFWLQJ
WKHFRLOVRIUHOD\VFRQWDFWRUVHWFWRGLRGHV
YDULVWRUVRU5&HOHPHQWV
q 6KRUWHVWSRVVLEOHFRQQHFWLRQEHWZHHQ
FRUUHVSRQGLQJPRGXOHV
q *RRGJURXQGFRQQHFWLRQVRYHUDQDUHDZKHUHYHU
SRVVLEOHEHWZHHQDOOPRGXOHVDQGHTXLSPHQW
LWHPVDQGWRJURXQGSRWHQWLDORIWKHVZLWFKJHDU
(0&FDQEHLPSURYHGFRQVLGHUDEO\E\XVLQJVKLHOGHG
FDEOHVDQGZLUHV
Shield grounding
7KHVKLHOGRIFDEOHVDQGZLUHVLVJURXQGHGLQWKH
FRQWUROFDELQHW
&RQQHFWWKHVKLHOGWRJURXQGFRQFHQWULFDOO\DWERWK
VLGHVRYHUDODUJHDUHDZKHUHYHUSRVVLEOH3URWHFWWKH
FRQWDFWIDFHVIURPFRUURVLRQLQFDVHRIKXPLGLW\
UHJXODUFRQGHQVDWLRQ
:KHQOD\LQJFDEOHVLQWKHVZLWFKJHDUVHSDUDWH
FRQWUROVLJQDOLQJFDEOHVGDWDFDEOHVDQGOHDGVZLWK
WKHYDULRXVVLJQDODQGYROWDJHOHYHOVE\OD\LQJRQ
GLIIHUHQWUDFNVRUULVHUFDEOHURXWHV
&RUUHVSRQGLQJWRWKHGLIIHUHQWVKLHOGGHVLJQVWKHUH
DUHDQXPEHURIPHWKRGVWRSHUIRUPFRQQHFWLRQ7KH
SODQQLQJGHSDUWPHQWRUVLWHPDQDJHPHQWGHWHUPLQHV
ZKLFKRIWKHPHWKRGVGHVFULEHGKHUHZLOOEHXVHG
WDNLQJ(0&UHTXLUHPHQWVLQWRDFFRXQW7KHSUHFHGLQJ
SRLQWVVKRXOGDOZD\VEHWDNHQLQWRDFFRXQW
&DEOHDQGZLUHVKLHOGVDUHFRQQHFWHGXVLQJFODPSV,I
ORZGHPDQGVDUHSODFHGRQ(0&LWLVSRVVLEOHWR
FRQQHFWWKHVKLHOGWRWKHFDEOHRUZLUHHQGGLUHFWO\WR
JURXQGFRPELQHRUWZLVWWKHVKLHOGRUYLDD
FRQQHFWLQJZLUHRYHUWKHVKRUWHVWGLVWDQFHSRVVLEOH
8VHFDEOHOXJVRUZLUHHQGIHUUXOHVDWWKHFRQQHFWLQJ
SRLQWV
$OZD\VNHHSWKHFRQQHFWLQJOLQHVRIWKHVKLHOGVDV
VKRUWDVSRVVLEOHFP
,IVKLHOGVDUHXVHGDVSURWHFWLYHJURXQGFRQGXFWRUV
WKHFRQQHFWHGSODVWLFLQVXODWHGOHDGPXVWEHPDUNHG
JUHHQRUJUHHQ\HOORZRYHULWVHQWLUHOHQJWK1RQ
LQVXODWHGFRQQHFWLRQVDUHDOVRSHUPLWWHGE\WKH
1DWLRQDO(OHFWULFDO&RGH