The tex t of doc ment CISPR / D/ 32 /CDV , future edition 6 of CISPR 12, pre ar ed by CISPR SC D, Electromag etic disturban es related to electr ic/ electronic eq ipment on vehicles an i
Trang 1Vehicles, boats and
Trang 2National foreword
This British Stand rd is the UK implementation of
EN 5 01 :20 7+A1:20 9 I is identical to CISPR 1 :20 7, incorporating
amendment 1:20 9 I super edes BS EN 5 01 :20 2 which wi l be
withdrawn 1 September 2010 an BS EN 5 01 :20 7 which wi l be
withdrawn 1 July 201
The s ar and finish of text int oduced or altered b amendment is
indicated in the text b tag s Tag s indicating chang es to IEC text car y
the n mber of the IEC amend ment For ex mple, text altered b IEC
amendment 1 is indicated b !"
The UK p r icip tion in it prep ration was ent us ed b Tech ical
Commit e GEL/210, EMC — Polcy commit e , to S bcommit e
GEL/ 210/11, EMC produc s and ards
A ls of org anizations represented on this subcommite can be obtained
on reques to it sec etary
This publcation do s not purpor to includ e al the neces ary prov isions of
a cont ac User are responsible for it cor ec a plcation
Complanc with a British Standard cannot confer imm unity f om
leg al obl g ations
This Bri sh Stan ard was
publshed u der the authoriy
of the Stan ards Polcy an
31 J n ary 2010 Implementation of IEC amendment 1:20 9 with
CENELEC endor ement A1:20 9
Trang 3NORME EUROPÉENNE
July 2009
Euro e n Commite for Electrotec nical Stan ardiz ation
Comité Euro pé n de Normalsation Electro te ch iq e
Euro äis hes K omite für Elektro tec nis he No rmu g
Ce ntral Se creta ria t: ru d Sta ss a rt 3 5, B - 10 0 Bru s els
© 2 0 CENELEC - All rig ts of e ploitatio in a y form a d b a y me ns reserv ed worldwid for CENELEC memb rs
R ef No EN 5 012:2 0 E
En ls version
Vehicles, boats and internal combust ion engines -
R adio dist urbance characteristics -
Limit s and met hods of measurement
for the protection of of -board receiv ers
(CISPR 12:2007)
Véhic les, bateaux et
mot eurs à c mbus on int erne -
Caract éris ques
de perturbation radioélect rique -
Limites et méthodes de mesure
pour la prot ect ion
des récept eurs ext érieurs
(CISPR 12:2007)
Fahrz euge, Boot e und
v n Verbrennungsmot oren
This Euro e n Stan ard was a pprove b CENELEC o 2 0 -0 -01 CENELEC me mb rs are b u d t o c o mply
w it h t he CEN/CENELEC Int ernal Re gulatio s whic h s p lat e the c on itio s fo r giv in this Euro e n Sta d rd
the st at us of a n tio al st an ard wit ho t a y alt eratio n
Up-t o-d t e lst s a d biblo ra phic a l re fe re c es c o nc ernin suc h n t io al st an ards ma b o btain d o
a plc atio t o the Ce tral Se retariat o r to a y CENELEC member
This Europe n St an ard ex ists in t hree o fficial ve rsio s (En lsh, Fre c h, Germa ) A versio in a y ot her
la g a ge ma e b t ra slat io u d r the resp nsibi ty of a CENELEC me mb r int o it s o wn la g a ge a d n tifie
to t he Ce tra lSec reta riat h s the sa me st at us as t he oficial versio s
CENELEC memb rs are t he n tio al ele t rotec hnic al c o mmit t ees of Austria, Belgium, Bulg ria, Cy rus, the
Cze h Repu lc , De ma rk, Est onia, Finla d, Fra c e , Germa y, Gre c e, Hu ga ry, Ic ela d, Irela d, Italy, L t v ia,
Lithu nia, L x emb urg, Malt a, the Nethe a ds, Norwa , Pola d, Portug l, Ro ma ia, Slova k ia, Slo ve ia, Sp in,
Swe e , Swit zerla d a d the United Kin do m
Trang 4The tex t of doc ment CISPR / D/ 32 /CDV , future edition 6 of CISPR 12, pre ar ed by CISPR SC D,
Electromag etic disturban es related to electr ic/ electronic eq ipment on vehicles an internal combu tion
en ine p wered devices, was s bmited to the IEC-CENELEC p r alel Uniq e A cce tan e Proced re
an was a proved by CENELEC as EN 5 012 on 2 0 -0 -01
This Euro e n Stan ard s p rsedes EN 5 012:2 0 + A 1:2 0
The folowin c an es were made with resp ct to EN 5 012:2 0 + A 1:2 0 :
– deletion of nar rowban / bro db n determination;
– general improvement of wordin
The folowin dates were fi ed:
– latest date by whic the EN has to b implemented
at national level by publcation of an identical
– latest date by w hic the national stan ard conflctin
This Europ an Stan ard has b en pre ared u der a man ate given to CENELEC by the Euro e n
Commis ion an the Euro e n Fr ee Tr ade A ssociation an covers es ential req irements of
EC Directive EMC (2 0 / 10 / EC) Se A nnex Z
A nnexes ZA an Z have b en ad ed by CENELEC
_ _ _ _ _
Endorsement notice
The text of the International Stan ard CISPR 12:2 0 was a pr oved by CENELEC as a Euro e n
Stan ard without an modification
_ _ _ _ _
Foreword to amendment A1
The t ex t of doc ment CISPR /D/ 35 / CDV, fut ure amen ment 1 t o CISPR 12:2 0 , pre ared by
CISPR SC D, Elect romag et ic dist urb n es relat ed t o elect ric/ elect ronic eq ipment on v ehicles an
int ernal combu t ion en ine p wer ed dev ices, w as s bmit t ed t o t he IEC-CENELEC p ralel v ot e an w as
a prov ed by CENELEC as amen ment A1 to EN 5 012:2 0 on 2 0 -0 -01
The folowin dat es w ere fix ed:
– lat est date by whic the amen ment has to b
implement ed at nat ional level by publcation of
an ident ical nat ional st an ard or by en orsement (do ) 2 10-0 -01
– lat est date by whic the national st an ar ds conflct in
Endorsement notice
The t ex t of amen ment 1:2 0 t o t he Int ernational St an ard CISPR 12:2 0 w as a prov ed by CENELEC
as an amen ment t o t he Euro e n St an ard w ithout an modification
Trang 5INTRODUCTION 6
1 Sco e .7
2 Normative ref eren es .8
3 Terms an definition 8
4 Limits of disturb n e 10 4.1 Determination of conforman e of vehicle/b atdevice with l mits 10 4.2 Pe k an q asi-pe k detector l mits 12 4.3 Average detector lmit 12 5 Method of me s rement 13 5.1 Me s rin in trument 13 5.1.1 Sp ctrum analy er p rameters 14 5.1.2 Scan in receiver p rameters 14 5.1.3 Anten a typ s 15 5.1.4 Ac urac 15 5.2 Me s rin location req irements 16 5.2.1 Outdo r test site (OTS) req irements 16 5.2.2 Absorb r l ned s ielded en los re (ALSE) req irements .18 5.2.3 Anten a req irements 19 5.3 Test o ject con ition 21
5.3.1 General 21
5.3 2 Vehicles an b ats 21
5.3.3 Devices 2
5.4 Data col ection 2
6 Method of c ec in for compl an e with CISPR req irements 2
6.1 General 2
6.2 Ap lcation of l mit c rves 2
6.2.1 Me s rements u der dry con ition 2
6.2.2 Me s rements u der wet con ition 2
6.3 Evaluation (general) 2
6.4 Typ a proval test 2
6.4.1 Sin le sample 2
6.4.2 Multiple samples (o tional) 2
6.5 Survei an e (q al ty au it of series prod ction 2
6.5.1 Sin le sample 2
6.5.2 Multiple samples (o tional) 2
6.6 Quic prototyp c ec f or develo ment testin (o tional, q asi-p ak detector emis ion only) 2
An ex A (normative) Statistical analy is of the res lts of me s rements 2
An ex B (normative) Proced re to determine an alternative emis ion l mit for
Trang 6An ex C (informative) Anten a an tran mis ion lne maintenan e an
c aracterization 2
An ex D (inf ormative) Con tru tion fe tures of motor vehicles af fectin the emis ion of ig ition noise 3
An ex E (informative) Me s rement of the in ertion los of ig ition noise s p res ors 3
An ex F (inf ormative) Method of me s rement to determine the at en ation c aracteristic of ig ition noise s p res ors for hig voltage ignition s stems 41
An ex G (inf ormative) Flow c art for c ec in the a plca i ty of CISPR 12 51
An ex H (informative) Items u der con ideration 5
Bibl ogra h 5
Fig re 1 – Method of determination of conf orman e 1
Fig re 2 – Limit of disturb n e (p ak an q asi-p ak detector) at 10 m anten a distan e 12 Fig re 3 – Limits of disturb n e (average detector) at 10 m anten a distan e .13 Fig re 4 – Me s rin site (OTS) f or vehicles an devices 17 Fig re 5 – Me s rin site (OTS) for b ats 18 Fig re 6 – Anten a p sition to me s re emis ion – Vertical p larization 19 Fig re 7 – Anten a p sition to me s re emis ion – Horizontal p larization .2
Fig re B.1 – Determination of the maximum anten a an le .2
Fig re B.2 – Calc lation of the res ltin gain red ction a 2
Fig re C.1 – Alternate anten a factor determination (10 m anten a distan e) 3
Fig re E.1 – Test circ it 3
Fig re E.2 – General ar an ement of the test b x 3
Fig re E.3 – Detais of the test b x l d 3
Fig re E.4 – Detais of the test b x 3
Fig re E.5 – Straig t sp rk-plu ig ition noise s p res or (s re ned or u s re ned) 3
Fig re E.6 – Rig t-an le sp rk-plu ig ition noise s p res or (s re ned or u s re ned) 3
Fig re E.7 – Noise s p res ion sp rk-plu 3
Fig re E.8 – Resistive distributor bru h 3
Fig re E.9 – Noise s p res or in distributor ca 4
Fig re E.10 – Noise s p res ion distributor rotor .4
Fig re E.1 – Noise s p res ion ig ition ca le (resistive or re ctive) 4
Fig re F.1 – Test set-up, side view 4
Fig re F.2 – Test set-up, to view 4
Fig re F.3 – Pres ure c amb r with venti ation 4
Fig re F.4 – To view of the set-up of a rig t-an le ig ition noise s p res or f or distributors 4
Fig re F.5 – L cation of hig voltage ig ition comp nents 4
Annex ZA (normat iv e) Normat iv e referenc es t o int ernat ional publc at ion w it h t heir c oresp n in Euro e n publc at ion 5
Annex Z (informat iv e) Cov erage of Es en al R eq irement s of EC Direc t iv es .5
Trang 7Fig re F.7 – Side view of the test set-up for re d -to-u e resistive ig ition ca les 4
Ta le 1 – Sp ctrum analy er p rameters 14 Ta le 2 – Scan in receiver p rameters 14 Ta le 3 – Internal combu tion en ine o eratin sp ed 2
Ta le A.1 – Statistical f actors 2
Ta le A.2 – Example of feq en y s b-b n s 2
Ta le F.1 – Limits 41
Trang 8INTRODUCTION
There is a sp cific ne d for stan ard to def i e ac e ta le radio f req en y p r orman e of al
electrical/electronic prod cts CISPR 12 has b en develo ed to serve the ro d vehicle an
related in u tries with test method an lmits that provide satisf actory protection for radio
rece tion
CISPR 12 has b en u ed f or man ye rs as a reg latory req irement in n merou cou tries,
to provide protection for radio receivers in the residential en ironment It has b en extremely
ef f ective in protectin the radio environment outside the vehicle
Trang 9VEHICLES, BOA TS AND INTERNAL COMBUSTION ENGINES –
RA DIO DISTURBA NCE CHA RACTERISTICS –
The l mits in this International Stan ard are
desig ed to provide protection for bro d ast
receivers in the f req en y ran e of 3 MHz
to 1 0 0 MHz when u ed in the residential
en ironment Compl an e with this stan ard
may not provide adeq ate protection f or new
typ s of radio tran mis ion or receivers
u ed in the residential en ironment ne rer
than 10 m to the vehicle, b at or device
NOT 1 Ex erie c h s s own th t c mpla c with
this sta d rd ma pro id s tisf actory prote tio for
re eiv rs of oth r ty e of tra smis io s wh n u e in
th re id ntial e viro me t, in lu in ra io
tra smis io s in f re u n y ra g s oth r th n th t
s e ifie
This stan ard a pl es to the emis ion of electromag etic energ whic may cau e
interf eren e to radio rece tion an whic is emited fom
a) vehicles pro el ed by an internal combu tion en ine, electrical me n or b th (se 3.1);
b) b ats pro el ed by an internal combu tion en ine, electrical me n or b th (se 3.2)
Bo ts are to b tested in the same man er as vehicles ex e t where they have u iq e
c aracteristic as explcitly stated in this standard;
Se An ex G f or a f low c art to help determine the a pl ca i ty of CISPR 12
NOT 2 Prote tio of re eiv rs u e o b ard th s me v hicle a th disturb n e s urc (s) are c v re b
CISPR 2
The me s rement of electromag etic disturb n es whi e the vehicle is con ected to p wer
main f or c argin is not covered in this stan ard The u er is refer ed to a propriate IEC an
CISPR stan ard whic define me s rement tec niq es an lmits f or this con ition
An ex H l sts work b in con idered for f uture revision
R esidential En ironment
or traction b t eries
This stan ard do s not a ply to aircrafts, hou ehold a pl an es, traction s stems (rai way,
tramway an electric trol ey bu ), or to in omplete vehicles In the case of a d al-mode trol ey
bu (e.g pro el ed by p wer f om either a.c./d.c main or an internal combu tion en ine), the
internal combu tion pro ulsion s stem s al b in lu ed, but the a.c./d.c main p rtion of the
vehicle pro ulsion s stem s al b ex lu ed f rom this stan ard
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!
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Trang 102 Normative references
The f ol owin ref eren ed doc ments are in isp n a le for the a plcation of this doc ment
For dated ref eren es, only the edition cited a ples For u dated referen es, the latest edition
of the ref eren ed doc ment (in lu in any amen ments) a pl es
IEC 6 0 0-161, Intern ti on l E l ectrot ec nic l Vo a ulary (IEV) – Ch pter 161: Ele
tro-ma n tic c mp ti bil ity
CISPR 16-1-1:2 0 , Sp cific tion for rad io d ist urb n e a d immu ity me suring a p rat us
a d methods – Part 1-1: Rad io d isturb n e a d immu ity me surin a p rat us – Measuring
a p rat us
CISPR 16-1-3:2 0 , Sp cific tion for rad io d ist urb n e a d immu ity me suring a p rat us
a d meth ds – Part 1-3: Rad io d isturb n e a d immu ity me suring a p ratus – An il lary
e ui pme t – Disturb n e p wer
CISPR 16-1-4:2 0 , Sp cific t ion for rad io d ist urb n e a d immu ity me suring a p rat us
a d meth ds – Part 1-4: Rad io d isturb n e a d immu ity me suring a p ratus – An il lary
e uipme t – Rad iated d isturb n es
CISPR 16-2-3:2 0 , Sp cific tion for rad io d ist urb n e a d immu ity me suring a p rat us
a d methods – P art 2-3: Met hods of me sureme t of d ist urb n es a d immunity – Rad iated
d isturb n e me sureme ts
CISPR 2 , Rad io d ist urb n e c ara teristics for th prote t io of re eiv rs used o b ard
v hicles, b ats, a d o d evic s – Limit s a d methods of me sureme t
impulsiv ignition nois
u wanted emis ion of electromag etic energ , predominantly impulsive in content, arisin
!
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3.1
v hicle
mac ine o eratin on lan whic is inten ed to car y p rson or go d
NOT Ve icle in lu e, b t are n t lmite to, c rs, tru k , b s s, mo e s, a ric ltural ma hin ry, e rth-mo in
ma hin ry, material-h n ln e uipme t, minin e uipme t, flo r tre tme t ma hin s a d s ow o ie
3.3
de ic
mac ine driven by an internal combu tion en ine whic is not primari y inten ed to car y
p rson or go d
NOT De ic s in lu e, b t are n t lmite to, c ain aws, irig tio p mp , s ow blowers, air c mpre s rs, wal
k-b hin f l or tre tme t ma hin s a d la d c pin e uipme t
!
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Trang 113.5
ig ition nois s ppre sor
that p rtion of a hig -voltage ig ition circ it inten ed to l mit the emis ion of impulsive ig ition
noise
3.6
outdo r te t site (OTS)
me s rement site simi ar to an o en are test site as sp cified in CISPR 16, however a
grou d plane is not req ired an there are dimen ional c an es
NOT Sp cific re uireme ts are d f i e in this d c me t
3.7
re istiv distributor brus
resistive pic -up bru h in an ig ition distributor ca
3.8
segment of the f req en y sp ctrum (3 MHz to 1 0 0 MHz) defined to ena le statistical
evaluation of the test data ac uired by swe t f req en y testin
3.9
repre e tativ fre ue c
as ig ed f req en y of a feq en y s b-b n to b u ed f or comp rison of the data to the lmit
3.10
c ara teristic le el
control n (or dominant emis ion level exp rien ed in e c f req en y s b-b n The
c aracteristic level is the maximum me s rement o tained f or b th anten a p larization an
f or al the sp cif ied me s rement p sition of the vehicle, b at or device Known ambient
sig als are not con idered p rt of the c aracteristic level
RF disturba c power
RF p wer me s red with a c r ent tran f ormer of an a sorbin clamp an an RF me s rin
in trument It may b me s red – as the RF disturb n e voltage – in a p ak or quasi-p ak
re istiv high-volta e (HV) ig ition c ble
ig ition ca le whose con u tor has a hig resistan e (at en ation)
3.15
re ide tial e vironme t
en ironment havin a 10 m protection distan e b twe n the source an the p int of radio
rece tion an where the source u es the publc low voltage p wer s stem or b t ery p wer
NOT Ex mple of a re id ntial e viro me t in lu e ro min h u e , priv te dwel n s, e tertainme t h ls,
Trang 124 Limits of disturbance
4.1 Determin tion of conf orma c of v hicle/b at/de ic with l mits
In the 3 MHz – 1 GHz f req en y ran e, the vehicle/b atdevice s al comply with b th:
• average lmits when the vehicle/b at device is in “Key-On, En ine-Of f ” mode (se 5.3.2.1),
an
• p ak or q asi-p ak l mits when the vehicle/b at device is in “En ine-Run in ” mode (se
5.3.2.2)
The l mits given in this stan ard take into ac ou t u certainties
Fig re 1 defines the method f or determination of conforman e
!
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3.16
tra tion bat erie
high p wer b teries u ed f or electric vehicle traction a plcation
Trang 13a Be a s me s reme t with p a d te tor is alwa s hig er th n or e u l to me s reme t with q a
i-p a d te tor (a d a era e d te tor re p ctiv ly) a d a plc ble p a lmit is alwa s hig er th n or
e u l to a plc ble q a i-p a lmit (a d a era e lmit re p ctiv ly), this sin le d te tor me s reme t
c n le d to a simplf i d a d q ic er c nf orma c pro e s
b This f l w-c art is a plc ble for e c in ivid al fe u n y, e.g o ly f re u n ie th t are a o e th
a plc ble lmit n e to b reme s re with q a i-p a d te tor (a d a era e d te tor re p ctiv ly)
Trang 144.2 Pe k a d qua i-pe k dete tor l mits
The l mit f or emis ion me s red with p ak or q asi-p ak detector at 10 m anten a distan e
is given in the ta le of Fig re 2 an is s own gra hical y in Fig re 2 Only one of the
b n width l sted ne d to b c osen f or testin For more ac urate determination, the
eq ation given in Fig re 2 s al b u ed For me s rements at 3 m anten a distan e, 10 dB
MH z
75 - 400
M H z 30- 75
MH z L
Freq en cy in MH z - log arith m ic plot
Lin ear plot
dB (μV/m)
Lin ar plot
dB (μV/m) Lin ear plot
NOT 3 Th c relatio f actor b twe n q a i-p a a d p a me s reme ts is + 0 dB at 12 kHz b n width,
b s d o e p rime tal d ta a c mulate in ma y c u trie
Figure 2 – Limit of disturba c (pe k a d qua i-pe k d te tor)
at 10 m a te na dista c
4.3 Av ra e dete tor l mit
The l mit f or emis ion me s red with the average detector at 10 m anten a distan e is
s own in Fig re 3 Vehicles/b ats/devices not in lu in electronic os i ators with an
o eratin f req en y gre ter than 9 kHz s al b de med to b in compl an e with the average
req irements of this clau e without p rf ormin tests f or emis ion with average detector
Vehicles/b ats/devices whic me t the average emis ion req irements of CISPR 2 ,
Clau e 5 s al also b de med to b in complan e with the average req irements of this
Trang 15For me s rements at 3 m anten a distan e, 10 dB s al b ad ed to the l mit
An ex D of CISPR 16-2-3 explain the dif f eren es b twe n the CISPR AV detector an an AV
detector (complyin with CISPR 16-1:19 9) For the purp se of this stan ard either detector
may b u ed, sin e the pulse re etition rate f or internal combu tion en ines is a ove 10 Hz
NOT For ty e-a pro al te tin p r 6.4, u e of a altern tiv te t meth d b s d u o oth r re ulatory sta d rd
is p rmite a d taie h rein This altern te ty e-a pro al te t a ple to th s v hicle /b ats/d vic s f or whic
o -b ard re eiv rs c n b in tale If , wh n me s re in a c rd n e with th v hicle te t meth d lo y of
CISPR 2 for emis io s u in a a era e d te tor, th sig al stre gth at th v hicle/b atd vic bro d a t ra io
IEC 78/0
Figure 3 – Limits of disturba ce (a era e dete tor) at 10 m a te na dista c
5 Methods of measurement
5.1 Me s ring instrume t
The me s rin in trument s al comply with the req irements of CISPR 16-1-1 Either man al
or automatic f req en y s an in may b u ed
NOT Sp ctrum a aly ers a d s a nin re eiv rs are p rtic larly u ef ul for disturb n e me s reme ts Th
p a d te tio mo e of s e trum a aly ers a d s a nin re eiv rs pro id s a dis la in ic tio whic is n v r
le s th n th q a i-p a in ic tio f or th s me b n width It ma b c n e ie t to me s re emis io s u in p a
d te tio b c u e of th fa ter s a p s ible th n with q a i-p a d te tio
When q asi-p ak l mits are b in u ed, and a p ak detector is u ed for time ef f icien y, an
p ak me s rements with res lts at or a ove the test lmit s al b re-me s red u in the
q asi-p ak detector
Trang 165.1.1 Spe trum a aly er parameters
The s an rate of the sp ctrum analy er s al b adju ted f or the CISPR f req en y b n an
detection mode u ed The maximum s an rate s al comply with the req irements of
CISPR 16-2-3
The b n width of the sp ctrum analy er s al b c osen s c that the noise f lo r is at le st
6 dB lower than the l mit c rve
NOT A pre mplf i r ma b u e b twe n th a te n a d th s e trum a aly er in ord r to a hie e th 6 dB
n is flo r re uireme t
The recommen ed s an time an b n width are l sted in Ta le 1:
Table 1 – Spectrum a aly er parameters
The dwel time of the s an in receiver s al b adju ted f or the CISPR f req en y b n an
detection mode u ed The minimum dwel time s al comply with the req irements of
CISPR 16-2-3
The b n width of the s an in receiver s al b c osen s c that the noise f lo r is at le st
6 dB lower than the l mit c rve
NOT A pre mplfier ma b u e b twe n th a te n a d th s a nin re eiv r in ord r to a hie e th 6 dB
n is f l or re uireme t
The recommen ed dwel time, maximum ste size an b n width are lsted in Ta le 2:
Table 2 – Sc nning re eiv r parameters
Trang 175.1.3 Ante na type
5.1.3.1 Refere c a te na
The anten a s al b a b lan ed dip le (se CISPR 16-1-4) Fre -sp ce anten a f actors are
to b u ed For f req en ies of 8 MHz or a ove, the anten a s al b resonant in len th, an
f or f req en ies b low 8 MHz it s al b the len th eq al to the 8 MHz resonant len th It
s al b matc ed to the f eeder by a s ita le sy mmetric-asy mmetric tran f ormer device
5.1.3.2 Broa ba d a te na
Any l ne rly p larized receivin anten a is p rmit ed, provided that it can b normal zed to the
ref eren e anten a
A bro db n anten a s al b u ed when makin me s rements with an automated receivin
s stem u in a s an in me s rin in trument Su h a bro db n anten a is u a le f or
me s rin emis ion levels (over the f req en y sp ctrum covered by this stan ard), provided
that its output can b normal zed to the output of the ref eren e anten a in the actual test
en ironment at the actual test site
When bro db n anten as are u ed, they s al me t the req irements f or complex anten as
given in CISPR 16-1-4 Examples of f actors to b con idered in lu e:
a) the ef f ective a erture are of the anten a, in lu in its p lar resp n e (horizontal an
vertical planes)
b) the ef f ect of a phase centre whic moves with f req en y
c) the ef f ect of grou d ref lection c aracteristic (in lu in multiple ray reflection whic may
arise at sp cif i f req en ies at a out 5 0 MHz vertical p larization an 9 0 MHz
horizontal p larization)
Se An ex C f or alternate anten a c aracterization
5.1.4 Ac ura y
The me s rement s stem con istin of the anten a, tran mis ion l ne an the me s rin
in trument, but ex lu in the source an the me s rin site, s al me s re electric f ield
stren th over the f req en y ran e of 3 MHz to 1 0 0 MHz with an ac urac of ± dB Se
Clau e 4 of CISPR 16-1-4 The f req en y ac urac s al b b t er than ±1 %
NOT 1 To e s re th t th me s reme ts d f i e in this sta d rd are within th state tolera c s, c n id ratio
s o ld b giv n to al p rtin nt c ara teristic of me s rin e uipme t (or e ample, f re u n y a d ampltu e
sta i ty, ima e reje tio , cro s-mo ulatio , o erlo d le els, s le tivity, time c n ta ts, a d sig al/n is ratio), a
wel a th s aff ectin th a te n a d tra smis io ln
NOT 2 It is re s n ble to e p ct a ditio al v riatio s in me s reme ts ma e of a ele tric f i ld (s e C.13)
within th ra g of 3 MHz to 1 0 0 MHz Th s are c u e b v riatio s in gro n c n u tivity a d oth r f actors
in u n in re e ta i ty
Trang 185.2 Me s ring loc tion re uireme ts
5.2.1 Outdoor te t site (OTS) re uireme ts
5.2.1.1 OTS f or ve icle a d de ic s
The test site s al b a cle r are , f re f rom electromag etic ref lectin s r aces within a circle
of minimum radiu 3 m me s red f rom a p int midway b twe n the vehicle or device an the
anten a As an ex e tion, the me s rin eq ipment, an test h t or vehicle in whic the
me s rin eq ipment is located (when u ed) may b within the test site, but only in the
p rmit ed region in icated by the cros hatc ed are of Fig re 4
NOT Th site re uireme ts d fin d in 5.2.1.1 a d Fig re 4 are th a plc tio of CISPR 16- -4 to larg
a tomotiv o je ts
Vehicles an devices smal er than 2 m in len th an width ma b tested on an OTS with
dimen ion cor esp n in to CISPR 16-1-4, Fig res 2 or 3
5.2.1.2 OTS f or b ats
The test site s al b a cle r are f re f rom electromag etic reflectin s rf aces within a circle
of minimum radiu 3 m me s red f rom a p int midway b twe n the en ine u der test an
the anten a Ex e tion f or the me s rin eq ipment are sp cified in 5.2.1.2.1 an also in
5.2.1.2.2 As an ex e tion, the me s rin eq ipment may b within the test site, but only in
the p rmited region in icated by the cros hatc ed are of Fig re 5 The test h t or vehicle or
non-metal c b at of test f i ture in/on whic the me s rin eq ipment is located may b within
the test site
Bo ts or en ines/motors f or b ats tested se arately s al b tested in salt or f res water at a
me s rin site as s own in Fig re 5
5.2.1.2.1 La d-ba e me s ring e uipme t
When the me s rin eq ipment is on lan , the test h t or vehicle in whic the me s rin
eq ipment is located may be within the test site, but only in the p rmit ed region in icated by
the cros -hatc ed are of Fig re 5
5.2.1.2.2 Water-ba e me s rin e uipme t
The me s rin eq ipment s al b in tal ed in a non-metal c b at or non-metal c test f i ture
whic may b within the test site, but only within the p rmited region indicated by the cros
-hatc ed are of Fig re 5
Trang 19NOT Th 10,0 m ± 0,2 m dime sio ma b c a g d to 3,0 m ± 0,0 m in a c rd n e with 5.2.3.2 a d 5.2.3.4.
Figure 4 – Me s ring site (OTS) for v hicle a d de ic s
5.2.1.3 Ambie t re uireme ts
To en ure that there is no extrane u noise or sig als of s ff i ient mag itu e or den ity to
af f ect material y the vehicle me s rement, ambient me s rements s al b taken b f ore an
af ter the main test, but without the vehicle/b at device u der test ru nin In b th of these
me s rements, the ambient noise s al b at le st 6 dB b low the l mits of disturb n e given
in Clau e 4, ex lu in intentional radiators When as es in compl an e in ac ordan e with
Clau e 6 an emis ion ex e din the l mits s al req ire in estigation to en ure that they are
not at ributa le to the vehicle/b atdevice in order to b ex lu ed
NOT For furth r g id n e, s e5.4 of CISPR 16- -4
Trang 20Ce tre of 3 m ra ius cle r are
at mid oint b t we n refere c
En in mid oint p sitio e o
n rmal fom a te n mid oint
Note - Th h riz ontal dist an e is fom t he c entre of t he refere c
a te n to t he n arest p rip eral p rt of t he marin instalat io (or
e gin if teste se arat ely)
IE 710 /0 7
Figure 5 – Me s ring site (OTS) for b ats
5.2.2 Absorber l n d s ielde e clos re (ALSE) re uirements
5.2.2.1 Cor elation
Absorb r l ned s ielded en los res may b u ed provided that the res lts o tained can b
cor elated with those o tained u in the OTS des rib d in 5.2.1
NOT Su h c amb rs h v th a v nta e of al we th r te tin , c ntrole e viro me t a d impro e
re e ta i ty b c u e of sta le c amb r ele tric lc ara teristic
5.2.2.2 Ambie t re uireme ts
The ambient noise level s al b at le st 6 dB b low the l mits of disturb n e given in
Clau e 4 The ambient level s al b verified p riodical y or when test res lts in icate the
Trang 215.2.3 Ante na re uireme ts
At e c me s rement feq en y (in lu in the en feq en ies), me s rements s al b
taken f or horizontal an vertical p larization (se Fig res 6 an 7)
Electrical interaction b twe n the anten a elements an the anten a s p ort g y s stem
s al b avoided
The retical con ideration of anten a an tran mis ion l ne ge metry deman that the
tran mis ion l ne do s not interact electrical y with the anten a elements
NOT On a c pta le tra smis io ln g ometry f or a dip le a te n ro te th tra smis io ln h riz ntaly
re rward f or a dista c of 6 m at a h ig t of 3 m (or 1,8 m for th 3 m a te n dista c ) b fore d s e din to
gro n le el or b low Oth r g ometrie are a c pta le if th y c n b s own n t to af fe t th me s reme ts, or if
th ef fe ts c n b in lu e in e uipme t c lbratio
5.2.3.1 Heig t
For an anten a distan e of 10 m, the centre of the anten a s al b 3,0 m ± 0,0 m a ove
the grou d/f lo r or water s rf ace For an anten a distan e of 3 m, the heig t s al b 1,8 m
Trang 22IEC 712/0
(Dime sio s in bra k ts for 3 m a te n dista c te tin ) Drawin n t to s ale
Key
1 Eq ipme t u d r te t
2 En in mid oint p sitio e o n rmal f rom a te n mid oint
Figure 7 – Ante na position to me s re emis ions – Horizontal polarization
5.2.3.2 Dista c
The prefer ed horizontal distan e b twe n the ref eren e p int of the anten a an to the
ne rest metal p rt of the vehicle/b at device s al b 10,0 m ± 0,2 m; as an alternative
me s rements may b made at a distan e of 3,0 m ± 0,0 m, provided that the req irements
of 5.2.3.4 are met
5.2.3.3 Auxi ary (multiple) a te na
Au i ary anten as are p rmit ed, but if two anten as are f acin e c other, one s al b
vertical y p larized whi e the other is horizontal y p larized
The test site cle r are req irement of 5.2.1.1 s al b a pl ed also to the p int midway
b twe n the vehicle/b at device and the au i ary anten a(s)
5.2.3.4 Multiple a te na positions (3 m a te na dista c only)
Multiple anten a p sition are req ired if the len th of the vehicle or device is gre ter than
the 3 dB b amwidth of the anten a The same position s al b u ed for b th horizontal an
vertical p larization me s rements
Trang 23Multiple anten a p sition can b avoided in the case where the me s red emis ion are
lower than the original l mit values min s a gain red ction calc lated f om the ge metric
dimen ion of the test set-up an the anten a gain data (se An ex B)
NOT A ty ic l lo p rio ic a te n h s a 3 dB b amwidth of a pro imately 6 ° This re ults in a o t 3,5 m of
i umin tio at 3 m a te n dista c , e.g 1,7 m eith r sid of th a te n c ntreln Th s, a v hicle 8 m lo g
re uire thre a te n p sitio s o e c sid to q a tify th ra iatio sig ature of th t v hicle
5.3 Te t obje t con itions
Me s rements made whi e the vehicle/b at device is dry or made more than 10 min after
precipitation has sto p d f al n are prefer ed F r outb ard en ines or pro ulsion motors an
devices, al s r aces normal y in contact with water whi e in u e s al b exempt f rom the
dry es criteria
NOT Dew or lg t moisture ma s rio sly aff ect re din s o tain d o te t o je ts h vin pla tic e clo ure
For method of evaluatin compl an e b sed on test o ject dry es se Clau e 6
5.3.2 Ve icle a d boats
Me s rements s al b made on the left an rig t sides of the vehicle or b at (se Fig res 6
an 7)
Al eq ipment whic is automatical y switc ed on together with the pro ulsion s stem s al b
me s red whi e o eratin in a man er whic is as re resentative of normal o eration as
p s ible The en ine s al b at normal o eratin temp rature
For vehicles or b ats with in e en ent electric an internal combu tion pro ulsion s stems in
the same vehicle or b at, the pro ulsion s stems s al b tested se arately
Au i ary en ines s al b o erated in their normal inten ed man er an tested se arately
f rom the main en ine, if p s ible
De en in up n the location of au i ary en ines, this req irement may dictate multiple tests
of the vehicle or b at with the several en ines s c es ively p sitioned in f ont of the anten a
d rin s c es ive tests
When tested se arately, inb ard, stern drive, an outb ard en ines or pro ulsion motors f or
b ats s al b atac ed to a non-metal c b ard or non-metal c test f i ture an tested in a way
simi ar to that sp cified for b ats with inb ard en ines/motors
Me s rements s al be made for two dif ferent o eratin con ition of vehicles an b ats
– "Key-On, En ine-Of f ” mode, an
– "En ine-Ru nin ” mode
These two o eratin con ition are a pl ca le f or vehicles/b ats with an internal combu tion
en ine an /or eq ip ed with an electric pro ulsion motor (in lu in h brid pro ulsion
Trang 245.3.2.1 "Ke -On, Engin -Of f ” mode operating con itions
The “Key-On, En ine-Off ” mode o eratin con ition are
• The ig ition switc s al b switc ed on
• The en ine s al not b o eratin
• The vehicle's electronic s stems s al al b in their normal o eratin mode
Al eq ipment with internal os i ators > kHz or re etitive sig als, whic can b o erated
contin ou ly, s ould b in normal o eration
5.3.2.2 "En ine-Run ing” mode operatin conditions
Vehicles/b ats with an internal combu tion en ine, s al b tested with the en ine o erated
as s own in Ta le 3 The sp cif ied en ine sp ed is the same for q asi-p ak or p ak
me s rements
Table 3 – Intern l combustion e gine operating spe ds
min-
Vehicles/b ats eq ip ed with an electric pro ulsion motor s al b tested with the vehicle
driven on a dy amometer without a lo d, or on non-con u tive axle stan s, with a con tant
sp ed of 4 km/h, or the maximum sp ed, if this is les than 4 km/h
Vehicles with hybrid pro ulsion s stems s al b tested with b th the electrical an the
internal combu tion pro ulsion s stems fu ctionin to o erate the vehicle at 4 km/h If this is
not p s ible, the vehicle s al b tested with the internal combu tion en ine o eratin at the
sp ed defined in Ta le 3 an the electric pro ulsion s stem o eratin the vehicle at 4 km/h
or the maximum sp ed if this is les than 4 km/h
5.3.3 De ic s
Me s rements s al b made in normal o eration p sition(s) an heig t s), u der normal ful
lo d an without lo d at idle sp ed, an in the direction of the maximum disturb n e
emis ion Where practical, the device u der test s al b me s red in thre orthogonal
planes
The o eratin con itions for devices ("Key-On, En ine-Of f” mode an "En ine-Ru nin ”
mode) s al b def i ed in the test plan
De en in on the situation, the f ol owin con ition s al also b taken into ac ou t:
• if the o eratin p sition an heig t are varia le, the device to b tested s al b so
p sitioned that the sp rk-plu is 1,0 m ± 0,2 m a ove the grou d;
• no o erator s al b present, but, if neces ary, a mec anical ar an ement s al b made,
u in non-metal c material as far as p s ible, to ke p the device in normal p sition(s) an
Trang 255.4 Data col e tion
The entire req ired f req en y ran e s al b me s red Sp t f req en y testin is only
ac e ta le as u ed in 6.6, or for typ a proval purp ses if the res lts of prior me s rements
coverin the entire f req en y ran e are avai a le an prove compl an e
The res lts of average, q asi-p ak an p ak me s rements s al b expres ed in terms of
dB (μV/m) for statistical evaluation
The res lts of p ak me s rements s al b expres ed in ac ordan e with one of the
b n width s own in Fig re 2
For p ak detector me s rements, the lmits given in Fig re 2 may b related to b n width
other than 12 kHz or 1 MHz by ad in a cor ection f actor of 2 lg [b n width (kHz) 12 kHz]
or 2 lg [b n width (MHz) 1 MHz]
6 Methods of c ecking f or compl ance with CISPR requireme ts
Some dif feren es in the con tru tion of vehicles/b ats/devices are u l kely to have a
sig ificant ef fect on ig ition noise emis ion For ro d vehicles, examples of s c dif feren es
are given in An ex D
6.2 Appl c tion of l mit c rv s
6.2.1 Me s reme ts u der dry conditions
Certif i ation me s rements made whi e the vehicle/b atdevice is dry (se 5.3.1), or made
more than 10 min after the precipitation has sto p d fal n s al u e the l mit c rves s own in
Fig res 2 an 3
6.2.2 Me s reme ts u der wet condition
If circ mstan es dictate that typ a proval me s rements b made whi e precipitation is
f al n , or within 10 min after it has sto p d, the vehicle/b at device s al b de med to
comply with the req irements of this stan ard if the me s red levels do not ex e d a level of
10 dB b low that s own in Fig res 2 an 3
In the event of any dispute con ernin compl an e, it s al b resolved by car yin out
me s rements u der dry con ition
Compl an e b sed on go d-f aith wet me s rements (an with the p r orman e p nalty
mentioned a ove) s al remain vald u ti s c time as it may b contested an dry
me s rements prove non-compl an e In s c cases retrofit in of vehicles/b ats/devices sold
d rin the p riod when there was de med compl an e s al not b req ired
When compl an e is de med on the b sis of wet me s rements, p rtic lar at ention s al b
p id to the s rvei an e of series prod ction
Trang 266.3 Ev luation (g neral)
For evaluation of a vehicle/b atdevice the data f om a complete s an s al b u ed
For statistical analy is of multiple vehicles/b ats/devices, the c aracteristic levels an
calc lation proces of An ex A s al b u ed The levels s al b comp red to the lmit at the
re resentative f req en y f or the a pro riate s b-b n
Statistical analy is of p ak data f om multiple vehicles/b ats/devic es s al b p r ormed u in
data related to the same me s rement b n width
If o tional multiple samples are tested, f i e or more ad itional vehicles/b ats/devices s al b
tested an the res lts combined with the data f om the first test in 6.4.1 The res lt f or e c
f req en y s b-b n s al be b low the sp cified l mits of Clau e 4 at the re resentative
If o tional multiple samples are tested, f i e or more ad itional vehicles/b ats/devices s al b
tested and the res lts combined with the data f rom the first test in 6.5.1 The res lts for e c
f req en y s b-b n s al b evaluated statistical y, as des rib d in An ex A; the res lt f or
e c f req en y s b-b n s al b a maximum of 2 dB a ove the sp cified lmit of Clau e 4 at
the re resentative f req en y f or that s b-b n (se 6.3)
6.6 Quic prototype c e k f or de elo me t te ting (o tional qua i-pe k d te tor
emis ion only)
An o tional test u in sp t feq en ies may b made to evaluate the a proximate levels of
emis ion of the vehicle/b atdevice to determine whether the levels are l kely to me t the l mit
of Clau e 4 The sp t feq en ies to b u ed for sp cific me s rements are the
re resentative feq en ies given in An ex A
Trang 27Annex A
(nor mativ )
Statistical analysis of the results of measurements
A 1 Number of v hicles/boats/de ices
The f ol owin con ition s al b f ulfi ed in order to en ure, with an 8 % degre of
confiden e, that 8 % of mas -prod ced vehicles/b ats/devices conf orm to a sp cified lmit L:
iix
nx
11
k is the statistical f actor de en ent on n, as given by Ta le A.1
Table A.1 – Statistic l fa tors
xx
nS
1
22
)(
11
x an L are expres ed in identical logarithmic u its (e.g dB (μV/m), dB (μV), etc.)
If a f irst sample of n vehicles/b ats/devices do s not me t the sp cif i ation , a secon
sample of N vehicles/b ats/devices s al b tested an al res lts as es ed as comin f rom a
sample of n + N vehicles/b ats/devices
NOT Se CISPR 16-3 f or a more c mpre e siv dis u sio of statistic l th ory a d a plc tio
A 2 Frequency sub-ba ds f or analysis
For analy is, the f req en y ran e of 3 MHz to 1 0 0 MHz s al b divided into a minimum of
14 b n s with a proximately thre b n s in e c octave (2:1 f req en y ratio) For the region
where the l mit is not con tant (i.e slo es), the ratio of the hig est f req en y to lowest
f req en y in e c b n s al b no gre ter than 1,3 Se Ta le A.2 f or an example of s
Trang 28b-A 3 Data col ection
Eac s b-b n s al b s an ed to determine its maximum emis ion level (i.e the
c aracteristic level) The c aracteristic levels f or e c s b-b n s al b comp red to the l mit
at the re resentative f req en y for that s b-b n , as determined by the method of Clau e 6
Trang 29Annex B
(nor mativ )
Procedure to determine an alternative emission l mit
for measurements at 3 m antenna distance
B.1 Calc late the maximum anten a an le α
dimen ion , the anten a distan e (vehicle s rf ace – anten a ref eren e p int , an the
Becau e anten as have a f req en y de en ent gain, either the maximum gain red ction over
the whole f req en y ran e ( ypicaly at the hig est f req en y) has to b u ed or the gain
aten ation s al b determined f or a n mb r of f req en y ste s In e c of those f req en y
s b-b n s the local maximum gain red ction s al b u ed
NOT 1 Refere c for th g in is th refere c a te n (s e 5.1.3.1
NOT 2 Th ra iatio p tern pro id d fom th ma ufa turer c n b u e u le s visible d ma e of th a te n