e-iv-9

8/19/2019 E-IV-9

http://slidepdf.com/reader/full/e-iv-9 1/4

INFOTEH-JAHORINA, Vol. 5, Ref. E-IV-9, p. 476-479, March 26.

PROVJERA USKLAĐENOSTI ELEKTRIČNIH UREĐAJA S NORMAMA ZRAČENJA KAOELEMENTA EMC

THE COMPATIBILITY CHECK OF THE ELECTRICAL DEVICES WITH STANDARDS OF

RADIATION AS ELEMENTS OF THE EMC

Vla!"#"r $"%"&, Teh%"'&" fa&(l)e) *M"ha+lo (p"% re%+a%"%

Sažetak /U ovom radu su date norme za postizajne elektromagnetne usklađenosti electronic uređaja.Dat je pregled

kontrolisanog okruženja merenja za EMC, mjerni sistem i metode proračuna jačine električnog i magnetskog polja kako bi se

provjerila usklađenost uređaja s normama zračenja.

Abstract !"e standards #or ac"ieving t"e electromagmetic compatibilit$ o# electrical devices are presented in t"is project. !"e

revie% o# controlled environment o# measuring #or EM&, t"e measuring s$stem and t"e met"od o# measuring t"e po%er o#

electrical and magnetic #ield are also presented "ere, in order to c"eck t"e compatibilit$ o# devices %it" t"e standards o#

radiation.

Ključne riječi EMC,zračenje,mjerenje polja

! UVOD

Ra01o+e# (rea+a "l" 3"3)e#a &o+" pro"01o!e, pre%o3e "l"&or"3)e ele&)ro#a%e)%( e%er"+( %e#"%o1%o 3e (0 e%er"+(%a el+e%"# fre&1e%c"+a#a +a1l+a+( 3#e)%+e %a %eel+e%"#fre&1e%c"+a#a, 0a)o +e 31e 1"e !ola0"la !o "0raa+a po)rea!a 3e ( &1al")e) (ra!e o%" ele#e%)" &o+" o!re(+( "%)era&c"+(

)a&1"h (rea+a 3a %+"ho1o# o&ol"%o#.8a!a +e o1a "%)era&c"+a)a&1o %"1oa !a +e!a% (rea+ "l" 3"3)e# %e "0a0o1e%e!o01ol+e%( !era!ac"+( !r("h (rea+a "l" 3"3)e#a "l" !a%+e#( 3a#o# %e (!( pore#ee%e %+eo1e o3%o1%ef(%&c"+e, &ae 3e !a +e po3)"%()a ele&)ro#a%e)%a&o#pa)""l%o3) :EM;<.EM; 3e po3)"e ora%"'a1a%+e#%"1oa e#"3"+e " 3#a%+e%+e# %"1oa o3+e)l+"1o3)" :po1ea%+e#%"1oa "#(%o3)"-3(3cep)""l")=<, )a&o !a 3e prole#"ele&)ro#a%e)%e "%)er#"%)e%c"+e :EMI< 31o!( %a e#(

pre#a 3l"c" >.?6@.

l.>. EM' i EM&. ()E*smetnje zračenjem, )&*osjetljivost

(imunost+ na smetnje zračenja, CE*konduktivne smetnje, C&*

osetnlivost(imunost+ na konduktivne smetnje.

a po3)"0a%+e el+e%o 3)epe%a EM; po)re%o +e pro('a1a)" " po0%a1a)" "01ore ele&)ro#a%e)%"h 3#e)%+", %+"ho1o pre%o3%o p()a, o!0"1a o#e)a%o (rea+a :3"3)e#a< "

pr"#+e%( o!o1ara+("h #+era " po3)(pa&a !a

3e1"3o&ofre&1e%)%e 3#e)%+e 3#a%+e (%()ar 0ah)"+e1a%"hra%"ca.

ra'e%a "0la0%e ele&)ro#a%e)%e 3#e)%+e :EMI< "ele&)ro#a%e)%a o3+e)l+"1o3) :EM< %a 0ra'e%+e "3p")(+e 3e#+ere%+e# +a'"%e ele&)r"'%o " #a%e)3&o pol+ao!o1ara+("# #+er%"# po3)(pc"#a &o+" 3e %e&a! #o("0+e" po#o( o!o1ara+("h a%al")"'&"h " %(#er"'&"h

po3)(pa&a prora'(%a +a'"%e ele&)r"'%o " #a%e)3&o pol+a.

" STANDARDI I NORME ZA EMC UREĐAJA

ro1+era %"1oa &1al")e)a o!ree%a +e 3)a%!ar!"0ac"+o#&o+a +e ( ola3)" EM; po3)ala pre!(3lo1 0a !"3)r"(c"+()eh%"'&"h pro"01"!a.EM; 3e %ala0" ( 3a#o# 1rh( 0ah)"+e1a3a 3)a%o1")a e0+e!%o3)", e&olo"+e " &1al")e)a &o+e #ora0a!o1ol+")" 31a&" (rea+ "l" 3"3)e# &o+" &or"3)"ele&)ro#a%e)%( e%er"+(.r" !o%oe%+( ")%"h o!l(&a "0ola3)" EM; 3e )ra" #"l+e%+e 1el"&o ro+a )eh%"'&"h&o#")e)a, ro+%"h "%3)")()a &a&o " 3e (3&la!"l" o3%o1%" "op)" 3)a%!ar!" 0a 1el"& ro+ (rea+a &o+" &or"3)eele&)ro#a%e)%( e%er"+(.Na o3%o1( 1el"&o ro+a"3)ra"1a'&"h ra!o1a, a po3e%o po prepor(&a#a ra!%"h

r(pa o!o1ara+("h ora%"0ac"+a #+ero!a1%"h 0a EM;,#e(%aro!%" " %ac"o%al%" 3)a%!ar!" 3e 3)al%o !op(%+(+(,(3&la(+( " (3a1ra1a+(.ro"01oa'" ele&)ro%3&"h " o3)al"hele&)r"'%"h (rea+a, " 31"h &o+" &or"3)e ele&)ro#a%e)3&(e%er"+( , !(%" 3( po!1r%()" 31o+e (rea+e "3p")"1a%+"#a&o+a 3( 1e0a%a 0a EM;, "lo !a 3e (rea+ "l" 3"3)e# )re)"ra&ao "01or 3#e)%+" "l" &ao (rea+ "l" 3"3)e# o3+e)l+"1 %a3#e)%+e.B%"f"c"ra%e #e(%aro!%o pr"h1ae%e 3)a%!ar!" "%or#e o#o((+( !a 3e (rea+" "l" 3"3)e#" "3p")(+( 3a#o

+e!%o#, a pro!a+( ( 1"e !ra1a.Na 3l"c" 2. 3( !a)e ra%"'%e1r"+e!%o3)" 3#e)%+" 0ra'e%+a pre#a po+e!"%"# #e(%aro!%"#ora%"0ac"+a#a &o+e "0!a+( !o&(#e%)a "0 po!r('+aEM;:;IR- 'nternational &pecial Committee #or )adio

'nter#erence,F;;- ederal CommunicationsCommission:BA<<.

22

IZVOR

ELEKTROMAGNETNIH

SMETNJI

OMETANI OBJEKAT

(PRIJEMNIK)CE CS

E RS

8/19/2019 E-IV-9



&l. -. ranične vrijednosti (limiti+ smetnji zračenja

prema (C'&/) i CC+

E1rop3&a (%"+a +e >9C9. !o%"+ela )01. *EM; 3#+er%"ce&o+e 3a!re 3a#o o3%o1%e " 0a&o%3&e 0ah)+e1e, a )eh%"'&"!e)al+" :po3)(pc" "3p")"1a%+a, ra%"ce e#"3"+a " %"1o"o3+e)l+"1o3)" " !r.< prop"3a%" 3( E1rop3&"# %or#a#a :EN<,'"+e )e&3)o1e pr"pre#a+( %a+'ee ;ENEDE; : European

Committee #or Electrotec"nical standardisation< " ETI: European !elecommunication &tandards 'nstitute<.E1rop3&eEM; %or#e :EN< a0"ra%e 3( %a IE; !o&(#e%)"#a " !"+ele3e %a/ o3%o1%e EM; %or#e,"01e!e%e EM; %or#e,EM;%or#e 0a pro"01o! " EM; %or#e 0a 3&(p"%(

pro"01o!a.1a&a %or#a prop"3(+e ra%"ce 3#e)%+" " po3)(pa& #+ere%+a.rop"3"1a%+e po3)(p&a +e po)re%o 0o

po%o1l+"1o3)" #+ere%+a " (3pore!"1o3)" re0(l)a)a "0 ra0l"'")"hlaora)or"[email protected] o0"ra %a 1el"& ro+ %or#" ( ola3)"EM; " %+"ho1( &o#pl"&o1a%o3) #oe 3e ( o3%o1" "3)a"/-Brea+" 3e !"+ele ( r(pe pre#a 3l"'%o3)" &ara&)er"3)"&a "%a#+e%"

-a 31a&( r(p( prop"3(+( 3e %or#e 0a EMI " EM-Nor#a 3e %a+'ee 3a3)o+" o! 0a!a)"h, fre&1e%c"+3&" 0a1"3%"hra%"ca ele&)r"'%o , o!%o3%o #a%e)3&o pol+a " prop"3a%o

po3)(p&a #+ere%+a ( prop"3a%o# fre&1e%c"+3&o# op3e(.-o3)(pa& #+ere%+a prop"3(+e eo#e)r"+( #+ere%+a " #+er%e(rea+e " opre#(.-M+ere%+e +a'"%e pol+a 3e "01o!" ( !ef"%"3a%o+ )a'&" ( )a'%o0a!a)o+ eo#e)r"+" pro3)ora, pa 3e 'e3)o %a0"1a &o%)rol"3a%oo&r(e%+e #+ere%+a.B3&la"1a%+e 3 %or#a#a 0a EM; %e #o( 3e r"+e")" 31"

prole#" EM;, +er (1"+e& po3)o+" #al" !"o prole#a &o+" 3e%e #o( 31e3)" %a ora%"'e%+e 0ra'e%+a, poo)o1( &a! 3era!" o 3l('a+( &o#pl"&o1a%o ele&)ro#a%e)3&o o&r(e%+a.

#! MJERENJE JAČINE ELEKTRIČNO$ IMA$NETSKO$ POLJA

a " 3e %e&o ele&)ro#a%e)%o 0ra'e%+e (3&la!"lo " pro1+er"lo 3a %or#o#, po)re%o +e po0%a1a)" +a'"%(ele&)r"'%o pol+a, #a%e)3&o pol+a "l" (3)o( 3%ae a )o +e%a+ol+e #ere%+e# %aro+a%"h &ara&)er"3)"'%"h 1el"'"%a )o0ra'e%+a.o#o( o!o1ara+("h #+er%"h "%3)r(#e%a)a 3e#+ere +a'"%a ele&)r"'%o "l" #a%e)3&o pol+a, a (3)oa3%ae 3e !o"1a ra'(%3&" "0 "0#+ere%"h +a'"%a pol+a.a##+er%" po3)(pa& " o!a"r "%3)r(#e%a)a 0a1"3" o! 31rhe#+ere%+a, &o+" #oe ")"/#+ere%+e ra!" (3&lae%+a (rea+a 3

%or#o# " #+ere%+e ra!" (3&lae%+e 3")(ac"+e 3 %or#o# "l"%e&"# !r("# 0ah)+e1o#.B3&lae%+e (rea+a 3 %or#o# &ara&)er"e 3e &la3"'%"#%or#a#a 0a EM; (rea+a )o po!ra0(#"+e1a/#+er%"

po3)(pc" !e)al+%o prop"3a%" %or#o#, &o%)rol"3a%o o&r(e%+e#+ere%+a :%a+'ee EM; laora)or"+a<, (3&opo+a3%a#+ere%+a,%a+'ee 3e &or"3)e re0o%a%)%e a%)e%e " ro(3%a:laora)or"+3&a< opore#a.O1a #+ere%+a 3e "01o!e %a+'ee)o&o# "l" %a&o% pro"01o!%+e (rea+a, a pr"+e p()a%+a (

pro#e) %a %e&o )r")e.Real"0(+( 3e pre#a %or#"0ah)"+e1a%o+ %a )o# )r")( " ( o1la)e%o+ EM; laora)or"+".

B3&lae%+e 3")(ac"+e 3 %or#o# "01o!" 3e %a+'ee %a&o%"%3)alac"+e (rea+a %a #+e3)( &or"e%+a, )o 0%a'" ( o)o1o+3")(ac"+" &o+a %a+'ee !ef"%"3a%a 3pec"f"'%"# (3lo1"#alo&ac"+e #+ere%+a.a)o +e %a+'ee %e#o(e pre!1"!+e)" 31e

para#e)re " 0a)o 3e &ara&)er"e/%e&o%)rol"3a%o o&r(e%+e#+ere%+a, 'ee &or")e%+e "%3)r(#e%a)a #a%+e )a'%o3)" o!laora)or"+3&"h, #+er%" po3)(pa& prop"3a% al" +e po!loa%"0#+e%a#a %a )ere%(, 1ea #+er%a %e3"(r%o3).

#! K%&t'%()*a&% %k'+že&,e -,e'e&,a ,a.)&e /%(,a

A&o +e po)re%o #+er")" +a'"%( pol+a ( ra0l"'")"#laora)or"+a#a, 0o "3)e %a#+e%e :(3&lae%o3) (rea+a 3

%e&o# %or#o#< !+e +e po)re%o prop"3a)" #+er%" po3)(pa& "(&lo%")" )o 1"e "01ora 3#e)%+" " #+er%e %e3"(r%o3)", !+e "3e oe0"+e!"lo #+ere%+e ( po0%a)o+, !ef"%"3a%o+ele&)ro#a%e)3&o+ o&ol"%" !a " 3e o3"(rala po%o1l+"1o3)#+ere%+a %a0"1a 3e &o%)rol"3a%o o&r(e%+e #+ere%+a.

Na+'ee &o%)rol"3a%a #+er%a o&r(e%+a 3(/ #+er%o #+e3)o%a o)1ore%o# pro3)or( :0pen 1rea !est &ite-OAT<,o&lopl+e%e &o#ore :&"ielded )oom*C"amber < " TEM3)r(&)(re (!EM line*cell <.M+er%o #+e3)o %a o)1ore%o# pro3)or( :OAT< +e ra1%a

po1r"%a e0 prepre&a, %a o)1ore%o# pro3)or(, %a &o+( 3e po3)a1l+a (0e#l+e%a ra1a% prop"3a%e pro1o!%o3)" :pr"#+ere%+( 3e (0"#a po3)o+a%+e refle&3"+e< " !"#e%0"+a.Na )o+

ra1%"%" 3e %ala0" "3p")"1a%" (rea+ : E2uipment Under !est -EBT< 0a+e!%o 3a o3)alo# opre#o# 0a #+ere%+e pol+a.OAT3e %a+'ee po3)a1l+a !ale&o o! %a3el+e%o o&r(e%+a, %a#+e3)( 3a )o #a%+e po0a!"%3&o ele&)ro#a%e)3&o0ra'e%+a &a&o " 3e )ala3 "r"o ( 3loo!%o# pro3)or( e0

prepre&a.A&o 3e el" (&lo%")" refle&3"+a o! ra1%e po1r"%e 0a!o"1a%+e #+er%o #+e3)a %a o)1ore%o# pro3)or( 3ap3orero#: 1bsorber*3ined OAT-ADOAT<, %a ra1%(

po1r"%( 3e po3)a1l+a ap3orpc"+3&" #a)er"+al 0a !o"1a%+eo&r(e%+a #+ere%+a pol+a e0 refle&3"+e.O&lopl+e%e &o#ore 3( pro3)or 0a)1ore% pro1o!%"#

po1r"%a#a &o+" f(%&c"o%"e %a pr"%c"p( Fara!e+e1o &a1e0a'"+e o&lapa%+e "#a (lo( 3pr"+e'a1a%+e 0aae%+a 3pe&)ra "

3pol+a " (%()ra &a&o " 3e oe0"+e!"la ele&)ro#a%e)3&a"0olac"+a (%()ra%+e 0apre#"%e.A&o o&lopl+e%a &o#ora "#aole 0"!o1e :e0 "&a&1o& olaa%+a< &o+" 3)1ara refle&3"+(,o%!a +e )o refle&3"+3&a o&lopl+e%a &o#ora.a 3l('a+ !a 3erefle&3"+3&a &o#ora po(!" ele&)ro#a%e)3&"# pol+e#, a0a)"# #eha%"'&" "l" ele&)r"'&" po(!" "re%+a ra0l"'")"h#o!o1a, !o"1a 3e +e!%ol"&o ra3po!"+el+e%o pol+e &o+e ()a'&" #+ere%+a for#"ra+( pla%ar%" )ala3" &o+" !ola0e "0 31"h3#+ero1a.Na o1a+ %a'"% 3e !o"1a re1ererac"+3&o+ :3ao!+e&o#< &o#or" :reverberation c"amber < "l" &o#or" 3#"+ea%+e# #o!o1a :mode*stirred c"amber <.Ap3orpc"+3&e &o#ore 3( 1r3)a o&lopl+e%"h &o#ora '"+" 3(0"!o1o oloe%" ap3orpc"+3&"# #a)er"+alo#.a 3l('a+ !a 3(

31" 0"!o1" " 3)rop " po! oloe%" ap3orpc"+3&"# #a)er"+alo# ,!o"1a 3e &o#ora e0 o!+e&a :a%echo"c cha#er< :3l"&a G<.

22>

8/19/2019 E-IV-9



&l. 4.

5omora bez odjeka

a 3l('a+ !a 3( 31e 3)ra%e o3"# po!a o&lopl+e%e &o#oreoloe%e ap3orc"+3&"# #a)er"+alo#, !o"1a 3e &o#ora 3a

pol(o!+e&o# : semianec"oic c"amber <:3l"&a G.A.<.

l.G.A. 5omora sa poluodjekom

Je!%a o! &ara&)er"3)"&a %a1e!e%"h &o#ore 3( 1el"&e!"#e%0"+e, 0a ra0l"&( o! )ra%31er0al%"h ele&)ro#a%e)3&"h:TEM< pre%o3%e l"%"+e :!ransverse Elactromagnetic 3ine*

!EM line<, &o+e 3( #a%+"h !"#e%0"+a " #o( ")" o)1ore%e "0a)1ore%e.Na+'ee 3e &or"3)e 0a)1ore%e TEM 3)r(&)(re o!&o+"h 3( %a+po0%a)"+e TEM &o#ore " TEM:"aher)0TEM< &o#ore:3l"&a G..<

&l.4.6 . !EM komora

O! %aro+a%"h ele&)ro#a%e)%"h #+ere%+a 0a EM;%a+&1al")e)%"+a, %a+)a'%"+a a (+e!%o %a+3&(pl+a 3( (

ap3orpc"+3&o+ &o#or" e0 o!+e&a..Na+ef)"%"+a #+ere%+a 0aEM; 3( ( TEM &o#ora#a.

#!" M,e'&) *)*te- 0a -,e'e&,e ,a.)&e /%(,a

a " 3e #+er"lo pol+e, po)re%o +e !a 31a&" #+er%" 3"3)e#"#a )r" la1%a !"+ela/ #+er%( a%)e%(, pro1o!%"&e " pr"+e#%"&

o!%o3%o po&a0"1a'.A%)e%a pre%o3" ele&)ro#a%e)%(e%er"+( "0 3loo!%o pro3)ora ( pre%o3%( l"%"+( " ora)%o, "(+e!%o 3l(" &ao pr"lao!%" ele#e%) "0#e( )a !1a#e!"+a.ara#e)r" a%)e%e o!re(+( " pro3)or%( ra3po!+el(ele&)ro#a%e)3&e e%er"+e &o+a +e 3pre%()a "0#e(3loo!%o pro3)ora " a%)e%e.Na+0%a'a+%"+e &ara&)er"3)"&ea%)e%e &o+e "#a+( po3e%( (lo( ( #+ere%+"#a 0a EM; 3(/fre&1e%)%" op3e:po+a3<, !"+ara# 0ra'e%+a,a%)e%3&"fa&)or,"#pe!a%c"+a a%)e%e, !o")a&, (3#+ere%o3) " "0o)rop%o3)a%)e%e.Fre&1e%)%" op3e +e op3e ( &o+e# 3e a%)e%a #oe &or"3)")"0a #+ere%+e a !a 3e %e po&1are %+e%e o'e&"1a%e&ara&)er"3)"&e , )a&o !a 3e ( 3pec"f"&ac"+" a%)e%e oa1e0%o

%a1o!" )a+ po!a)a&. o3)o+" " 3l('a+ pro"re%o fre&1e%)%oop3ea :e7tended calibration report < &o+" pro"01oa' !a+e, "o% 3e po3e%o %ar('(+e " plaa."+ara# 0ra'e%+a !a+e 3e ( pra1o(l"# "l" polar%"#&oor!"%a)a#a " 1r"+e!" 3a#o 0a !ale&( 0o%( po)o 3e!"+ara# 0ra'e%+a ( l"3&o+ 0o%" !efor#"e " pre!3)a1l+a"0raa+a% prole# #+ere%+a ( l"3&o+ 0o%".Me( o3%o1%e para#e)re #+er%"h a%)e%a 3pa!a a%)e%3&"fa&)or :&ore&c"+3&" fa&)or a%)e%e< &o+" po1e0(+e %apo%"0#+ere% %a 3)e0al+&a#a a%)e%e ).+ %a (la0( ( pr"+e#%"& , 3(pa!%"# ele&)r"'%"# "l" #a%e)%"# pol+e# %a #+e3)( a%)e%e," %a+'ee pre!3)a1l+a ()"ca+ (")a&a ( pr"lao!%o+ #re"a%)e%e.o%e&a! 3e ( a%)a%3&" fa&)or (&l+('(+e " (")a& (

&al( o! a%)e%e !o pr"+e#%"&a.A%)e%a 0a1ra1a pre%o3%( l"%"+( 31o+o# "#pe!a%c"+o#,&o+a 3e 3a3)o+" o! o)pora " rea&)a%c"+e.oel+%o +e !area&)a%c"+a a%)e%e (!e +e!%a&a %(l", )o +e3) !a +e"#pe!a%c"+a a%)e%e real%a, po)o 3a#o real%" !"o"#pe!a%c"+e !opr"%o3" 0ra'e%+(.oel+%o +e !a "#pe!a%c"+aa%)e%e (!e +e!%a&a "#pe!a%c"+" pre%o3%e l"%"+e 0o (3lo1a

pr"laoe%+a " #a&3"#al%o pre%o3a 3%ae.1a&a a%)e%a 3)are%+e# " (po)reo# #"+e%+a 31o+e

para#e)re, )e +( +e po)re%o per"o!"'&" &al"r"3a)" (o1la)e%"# laora)or"+a#a &a&o " 3e ele#"%"3ala %e)a'%o3)

pr" #+ere%+(.

#!"! B()*k% ) 1a(ek% /%(,e

O!%o3" "0#e( po+e!"%"h 1el"'"%a &o! ele&)ro#a%e)3&o pol+a %"3( +e!%o3)a1%" (&ol"&o 3e ra!" o ele&)ro#a%e)3&o# pol+( %a l"3&o+ (!al+e%o3)", )a&o !a 3e pro3)or o&o a%)e%eo"'%o !"+el" %a )r" 0o%e/rea&)"1%( 0o%(, ra!"+ac"+3&( l"3&(0o%(:Fre3%elo1( 0o%(< " !ala&( 0o%( :Fra(%hofero1(0o%(<.Na+'ee 3e " rea&)"1%a " Fre3%elo1a 0o%a %a0"1a*l"3&a 0o%a.B rea&)"1%o+ l"3&o+ 0o%" !o#"%"ra rea&)"1%o

pol+e '"+a ele&)ro#a%e)%a e%er"+a o3c"l(+e "0#e( pro3)ora" a%)e%e " %e 0ra'" 3e ( pro3)or.B Fre3%elo1o+ 0o%" rea&)"1%o

pol+e +e 0%a)%o pr"(e%o, )a&o !a preo1la!a1a pol+e &o+e 3e0ra'" ( pro3)or.B )o+ 0o%" )ala3 %e#a 31e &ara&)er"3)"&e

!ale&e 0o%e, al" 3a po1ea%+e# (!al+e%o3)" ra3po!+ela +a'"%e pol+a " )ala3%a "#pe!a%c"+a 3( !o3)a l"3&e o%"#a ( !ale&o+0o%". ol+e ( o1o+ 0o%" %e 3l"+e!" 0a&o% opa!a%+a 3 fa&)oro#>r, &o+" 1a" )e& 0a !ale&( 0o%( a%)e%e, )a&o !a ( 0o%"

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l"3&o pol+a 1r"+e!%o3) )ala3%e "#pe!a%c"+e #oe popr"#")"ra0l"'")e 1r"+e!%o3)" :3l"&a 4<.

l.4.a1"3%o3) "#pe!a%c"+e pol+a o! (!al+e%o3)" o! "01ora

a#o ( !ale&o+ 0o%" 1r"+e!e para#e)r" a%)e%e 0a!a%e3pec"f"&ac"+o# ( &o+o+ +e )ala3 pla%ara% )o +e3) !a 3( 1e&)or ele&)r"'%o " #a%e)3&o pol+a #e(3o%o %or#al%" ")ra%31er0al%" %a 3#+er "re%+a )ala3a, " !+e +e o!%o3 "0#e(ele&)r"'%o " #a%e)3&o pol+a !a) )ala3%o# "#pe!a%c"+o#.

#!# Pe't+'2a3),a /%(,a

o)o 3e 31e pro1o!" pla%3&" )o 3e " %or#a#a 0a EM; prop"3(+e ora%"0ac"+a 3a#o #+er%o #+e3)a )o +e3) po0"c"+(a%)a%e " &or!"%a)e #+er%"h )a'a&a ( o!%o3( %a "01or 0ra'e%+a" o3)ale o&ol%e o+e&)e po!ra0(#"+e1a+(" !a +e po)re%o

&o%)rol"3a)" po0"c"+( a%)e%e " o!ra1a)" +e 3)a"l%o# 0a1r"+e#e pr"&(pl+a%+a #+er%"h po!a)a&a 0a o!o1ara+((#+er%( )a'&(.")%o +e 3po#e%()" per)(rac"+( #+er%o pol+a&ao propra)%( po+a1( pr" #+ere%+(, po)o "0#+ere%a +a'"%a

pol+a )rea !a 3e o!%o3" %a %eper)(r"3a%o pol+e.A%)e%a &o+a3e %ala0" %a 3)al&(, pr"&l+('e%" &alo1" %a a%)e%(, pr"+e#%"& ,l"ce &o+e 1r" #+ere%+e " !r(" ele#e%)" per)(r"ra+( pol+e)a&o !a +e po)re%o 31e ()"ca+e re!(&o1a)".

4! METODE PRORAČUNA JAČINE ELEKTRIČNO$ IMA$NETSKO$ POLJA

8a! " 3e ele#"%"3al" 31" o%" ele#e%)" ( 1e0" per)(rac"+e pol+a " #a&3"#al%o 3pro1o!"le %or#e pr" #+ere%+( #ol" ""#a)" &1al")e)%o #+ere%+e &o+e !a+e %ao+e&)"1%"+e 3)a%+e (1e0" +a'"%e pol+a %a %e&o# #+e3)(.Me()"#, a&o 3e 0%a+(

para#e)r" "01ora 0ra'e%+a #oe 3e prora'(%o# !o" !o!ore proc+e%e o +a'"%" pol+a, %a r0, +e!%o3)a1a% "e&o%o#"'a% %a'"%, (0 !oro 0%a%+e " pra1"l%o o!ara%(#e)o!(.Vrlo 'e3)o 3e prora'(% &o#"%(+e 3a #+ere%+e#,

poo)o1( &a! 3e "!e &ora& po &ora&.rora'(% ele&)ro#a%e)3&o pol+a 3a3)o+" 3e o! %e&ol"&ofa0a/3ale!a1a%+e prole#a " &r")"'%"h )a'a&a, "0or op)"#al%o po3)(p&a,pr"#+e%a o!ara%o po3)(p&a.

Ne!o3)ac" prora'(%a 3(/%(%o +e 0%a)" para#e)re "01ora

0ra'e%+a, #o(%o3) re&e po3e%o &o! &o#ple&3%"+e prole#a , 1ea 0ah)+e1%o3) pre#a har!1er( " 3of)1er( 0a&o#ple&3%"+e prole#e.

rora'(% pol+a #oe ")" a%al")"'&" " %(#er"'&".A%al")"'&" prora'(%" 3e ( o3%o1" a0"ra+( %a po+e!%o3)a1l+e%+( prole#a poo)o1( &a! +e ( p")a%+( eo#e)r"+a " (3lo1" pro3)"ra%+a )ala3a. N(#er"'&e #e)o!e prora'(%a 3e a0"ra+( !a !"re&)%o r"+eeo3%o1%e +e!%a'"%e pol+a, po)(+(" ra%"'%e (3lo1e 0a!a)eeo#e)r"+o# prole#a.o3)o+" 0%a)a% ro+ %(#er"'&"h

po3)(pa&a 0a r+ea1a%+e prole#a ele&)ro#a%e)"0#ao!%o3%o EM;.1a&" o! )"h po3)(pa&a +e a!e&1a)a% 0ao!ree%( 1r3)( prole#a, )a&o !a 3e 0a &o%&re)a% prole#%e #oe &or"3)")" "lo &o+" po3)(pa&.Na+'ee &or")e%"%(#er"'&" po3)(pc" 3(/#e)o! &o%a'%"h ele#e%a)a, #e)o!#o#e%a)a,#e)o! &o%a'%"h ra0l"&a ( 1re#e%3&o# !o#e%(,#e)o! &o%a'%"h ra0l"&a ( fre&1e%)%o# !o#e%( ?>@.I a%al")"'&e " %(#er"'&e #e)o!e "#a+( 31o+e %e!o3)a)&e )a&o!a 3e ra01"+a+( " 31e 1"e &or"3)e h"r"!%e #e)o!e.

4 ! ZAKLJUČAK

role#" ele&)ro#a%e)%e (3&lae%o3)" 3( 31e 1"e "0raa+%"" &o#ple&3%" " 0a)o po!ra0(#"+a1a+( &oor!"%"3a%( 3ara!%+( pro+e&)a%a)a ele&)ro%"&e, e%ere)"&e, #eha%"&e, ele&)r"'%"h "#eha%"'&"h &o#po%e%)", "3p")%"h #e)o!a " #+ere%+a.ra'e%e"0la0%e ele&)ro#a%e)3&e 3#e)%+e " ele&)ro#a%e)3&ao3+e)l+"1o3) %a 0ra'e%+e "3p")(+e 3e #+ere%+e# +a'"%eele&)r"'%o " #a%e)3&o pol+a op"3a%"# #+er%"##e)o!a#a +er o%e !a+( %a+o+e&)"1%"+( pre!3)a1( o +a'"%"

pol+a %a %e&o# #+e3)(.8or"3)e" a%al")"'&e " %(#er"'&e po3)(p&e prora'(%a +a'"%e pol+a, #%o" prole#" ( o1o+ola3)" #o( 3e r"+e") %a +e!%o3)a1%"+" " e&o%o#"'%"+" %a'"%.

5! LITERATURA

?>@ H(h . e%%=, rouding #or t"e control o# EM'

:chap)er 7, oKer 3(ppl= f"l)er ro(%!"% pae N.7.C.?2@ R. F"cc&", /ractical design #or elektromagnetic

compatibilit$ 'EEE, 8ol.94,:o.-,9;<=

?G@ E(e%e H%a)e&, Cut noise in s%itc"ing regulators

b$ using simple #ilters, Electronic Design , >97> ?4@ He%r= . O))/ :oise reduction tec"ni2ues in

electronic s$stems, >976?5@ T. "ll"a#3., EMC #or /roduct Designers> 2>. Th"r!e!")"o% :oo&<

?6@ V. $"%"&, L ?edan pristup re@avanja problemavisoko#rekventni" smetnji u statičkim prekidačkim napojnim

uređajimaA Ee %o1e#ar 2G, No1" a!?7@ E. e%)%er, /roblemi rada uređaja i sistema kad su

prisutne elektromagnetske smetnje, or%"& ra!o1aJBREMA 2C, >9CG., 31e0a& >?C@ A.$arol"., /rocjena @trtnosti i problemi pri mjerenju

elektromagnetskog polja, 2. 3e#"%ar o ele&)ro#a%e)3&o+&o#pa)""l%o3)" " )ele&o#(%"&ac"+a#a-0or%"& ra!o1a,EDMA;O, pl"), >99C?9@ hp/KKK.co#pl"a%ce-cl(.co#arch"1e>>>2>.h)#?>@ Ha0%a!ar, .,$)"h,.,Ele&)ro#a%e)"0a#-31e0a& II,$&ol3&a &%+"a, are, >997.

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