Iec 62561 3 2017

IEC 62561 3 Edition 2 0 201 7 06 INTERNATIONAL STANDARD Lightning protection system components (LPSC) – Part 3 Requirements for isolating spark gaps (ISG) IE C 6 2 5 6 1 3 2 0 1 7 0 6 (e n ) ® TH IS P[.]

IEC 62561 - 3

Editio 2.0 2 17-0

Light ning prot ect ion syst em component s (LPSC) –

Part 3: Requirement s for isolat ing spark gaps (ISG)

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IEC 62561- 3

Edit io 2.0 2 17-0

Light ning prot ect ion syst em component s (LPSC) –

Part 3: R equirement s for isolat ing spark gaps (ISG)

FOREWORD 4

INTRODUCTION 6

1 Sco e 7

2 Normative ref eren es 7

3 Terms an def i ition 8

4 Clas ification 9

4.1 Ac ordin to ISGs ca a i ty to with tan lg tnin c r ent 9

4.2 Ac ordin to ISGs location in tal ation 9

5 Req irements 10 5.1 General 10 5.2 En ironmental req irements 10 5.3 In tal ation in tru tion 10 5.4 Lig tnin c r ent car yin ca a i ty 10 5.5 Rated impulse sp rkover voltage 10 5.6 Rated with tan voltage 10 5.6.1 Rated DC with tan voltage 10 5.6.2 Rated p wer feq en y with tan voltage 10 5.7 Isolation resistan e 10 5 8 Markin 1

5.9 UV (ultraviolet resistan e 1

6 Tests 1

6.1 General con ition for tests 1

6 2 UV (ultraviolet l g t test 1

2

6.3 Resistan e tests to cor osion 12

6.4 Mec anical tests 12

6.5 Electrical tests 14

6.5.1 Isolation resistan e 14

6.5.2 With tan voltage 14

6.5.3 Rated impulse sp rkover voltage 15

6.5.4 Lig tnin c r ent 15

6.6 In tal ation in tru tion 16

6.6.1 General con ition for tests 16

6.6.2 Ac e tan e criteria 16

6.7 Markin test 16

6.7.1 General con ition for tests 16

6.7.2 Ac e tan e criteria 16

7 Electromag etic comp tibi ty (EMC) 16

8 Stru ture an content of the test re ort 16

8.1 General 16

8.2 Re ort identification 17

8.3 Sp cimen des ription 17

8.4 Stan ard an ref eren es 17

8.5 Test proced re 17

8.6 Testin eq ipment des ription 18

8.7 Me s rin in truments des ription 18

8.9 Statement of p s /fai 18

An ex A (normative) Flow c art of tests 19

An ex B (normative) En ironmental test f or isolatin sp rk ga s 21

B.1 General 21

B.2 Salt mist tre tment 21

B.3 Humid s lph rou atmosphere tre tment 21

B.4 Ammonia atmosphere tre tment 21

An ex C (normative) En ironmental test for outdo r isolatin sp rk ga s – Resistan e to ultraviolet l g t 2

C.1 General 2

C.2 The tests 2

C.3 First alternative test to C.2 2

C.4 Secon alternative test to C.2 2

Biblogra h 2

Fig re 1 – Pen ulum hammer test a p ratu 13 Fig re A.1 – Flow c art of the seq en e of tests for ISGs 2

Ta le 1 – Lig tnin impulse c r ent (I

imp ) p rameters 15

INTERNATIONAL ELECTROTECHNICAL COMMISSION

_

Part 3: Requirements for isolating spark gaps (ISG)

1 Th Intern tio al Ele trote h ic l Commis io (IEC) is a worldwid org niz tio for sta d rdiz tio c mprisin

al n tio al ele trote h ic l c mmite s (IEC Natio al Commite s) Th o je t of IEC is to promote

intern tio al c -o eratio o al q e tio s c n ernin sta d rdiz tio in th ele tric l a d ele tro ic f i ld To

this e d a d in a ditio to oth r a tivitie , IEC p bls e Intern tio al Sta d rd , Te h ic l Sp cif i atio s,

Te h ic l Re orts, Pu lcly Av ia le Sp cif i atio s (P S) a d Guid s (h re fter refer e to a “IEC

Pu lc tio (s)”) Th ir pre aratio is e tru te to te h ic l c mmite s; a y IEC Natio al Commite intere te

in th s bje t d alt with ma p rticip te in this pre aratory work Intern tio al g v rnme tal a d n n

-g v rnme tal org niz tio s laisin with th IEC als p rticip te in this pre aratio IEC c la orate clo ely

with th Intern tio al Org niz tio f or Sta d rdiz tio (ISO) in a c rd n e with c n itio s d termin d b

a re me t b twe n th two org niz tio s

2) Th f ormal d cisio s or a re me ts of IEC o te h ic l maters e pre s, a n arly a p s ible, a intern tio al

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intere te IEC Natio al Commite s

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misinterpretatio b a y e d u er

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th later

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s rvic s c rie o t b in e e d nt c rtif i atio b die

6) Al u ers s o lde s re th t th y h v th late t e itio of this p blc tio

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memb rs of its te h ic l c mmite s a d IEC Natio al Commite s f or a y p rs n l injury, pro erty d ma e or

oth r d ma e of a y n ture wh ts e er, wh th r dire t or in ire t, or for c sts (in lu in le al f ee ) a d

e p n e arisin o t of th p blc tio , u e of, or rela c u o , this IEC Pu lc tio or a y oth r IEC

Pu lc tio s

8) Ate tio is drawn to th Normativ refere c s cite in this p blc tio Us of th refere c d p blc tio s is

in is e s ble f or th c r e t a plc tio of this p blc tio

9) Ate tio is drawn to th p s ibi ty th t s me of th eleme ts of this IEC Pu lc tio ma b th s bje t of

p te t rig ts IEC s al n t b h ld re p n ible for id ntif yin a y or al s c p te t rig ts

International Stan ard IEC 6 5 1-3 has b en pre ared by IEC tec nical commit e 81:

Lig tnin protection

This secon edition can els an re laces the first edition, publ s ed in 2 12 This edition

con titutes a tec nical revision

This edition in lu es the f ol owin sig if i ant tec nical c an es with resp ct to the previou

edition

a) a new clas if i ation has b en ad ed related to ISGs location in talation;

The text of this International Stan ard is b sed on the fol owin doc ments:

Ful inf ormation on the votin for the a proval of this International Stan ard can b f ou d in

the re ort on votin in icated in the a ove ta le

This doc ment has b en draf ted in ac ordan e with the ISO/IEC Directives, Part 2

A l st of al p rts in the IEC 6 5 1 series, publ s ed u der the general title Lig tning

prot ect ion syst em c mp n nts (LPSC), can b fou d on the IEC we site

The commite has decided that the contents of this doc ment wi remain u c an ed u ti the

sta i ty date in icated on the IEC we site u der "htp:/ we store.iec.c " in the data related to

This p rt of IEC 6 5 1 de ls with the req irements an tests f or l g tnin protection s stem

comp nents (LPSC), sp cifical y isolatin sp rk ga s (ISG) u ed for the in tal ation of a

l g tnin protection s stem (LPS) desig ed an implemented ac ordin to the IEC 6 3 5

series

LIGHTNING PROTECTION SYSTEM COMPONENTS (LPSC) –

Part 3: Requirements for isolating spark gaps (ISG)

This p rt of IEC 6 5 1 sp cifies the req irements an tests for isolatin sp rk ga s (ISG) for

l g tnin protection s stems

ISGs can b u ed to in irectly b n a l g tnin protection s stem to other ne rby metalwork

where a direct b n is not p rmis ible f or f un tional re son

Typical a pl cation in lu e the con ection to

• e rth-termination s stems of p wer in talation ,

• e rth-termination s stems of telecommu ication s stems,

• au i ary e rth electrodes of voltage-o erated, e rth f ault circ it bre kers,

• rai e rth electrode of p wer an DC rai way ,

• me s rin e rth electrodes for la oratories,

• in tal ation with cathodic protection an stray c r ent s stems,

• service entry masts f or low-voltage overhe d ca les,

• byp s in in ulated f lan es an in ulated coupl n s of pip l nes

This do s not cover a pl cation where fol ow c r ents oc ur

NOT Lig tnin prote tio s stem c mp n nts (LPSC) c n als b s ita le for u e in h z rd u c n itio s s c

a f ire a d e plo iv atmo p ere Du re ard wi b ta e of th e tra re uireme ts n c s ary f or th

c mp n nts to b in tale in s c c n itio s

The f ol owin doc ments are ref er ed to in the text in s c a way that some or al of their

content con titutes req irements of this doc ment For dated referen es, only the edition

cited a ples For u dated ref eren es, the latest edition of the ref eren ed doc ment (in lu in

an amen ments) a pl es

IEC 6 0 8-2-5 :19 6, Enviro me tal testing – Part 2-52: Tests – Test Kb: Salt mist, c clc

(sod ium c lorid e solutio )

IEC 6 0 8-2-7 :19 7, Enviro me tal t esting – Part 2-7 5: Tests – Test Eh: H ammer t ests

e itio IEC 6 0 8-2-5 : Environme t al t est ing – Part 2-5 : Te t s – Te t Kb: Sal t mist ,

cycl ic (sodium c l oride sol ut ion) is u d r pre aratio Sta e at th time of p blc tio :

ISO 4 9 -2:2 0 , Plast ics – Methods of exposure to lab ratory light so rc s – Part 2: Xe o

ISO 6 5 :19 8, Co p r all oys – Ammo ia test for stres c r osio resistan e

ISO 6 8 :19 5, Metal l ic a d oth r n n-org nic c at in s – Sul ph r diox id e test wit h g n ral

c nd ensation of moisture

3 Terms a d def initions

For the purp ses of this doc ment, the f ol owin terms an def i ition a ply

ISO an IEC maintain terminological data ases for u e in stan ardization at the f ol owin

ad res es:

• IEC Electro edia: avai a le at ht p:/ www.electro edia.org/

• ISO Onl ne browsin platform: avai a le at ht p:/www.iso.org/o p

3.1

isolating spark gap

ISG

comp nent with dis harge distan e f or isolatin electricaly con u tive in tal ation section

Note 1 to e try: In th e e t of a lg tnin strik , th is late s ctio s are temp rariy c n e te c n u tiv ly a

value of the test voltage to b a pl ed u der sp cif ied con ition in a with tan test, d rin

whic a sp cified n mb r of disruptive dis harges is tolerated

3.4

power f re u nc withsta d volta e

r.m.s value of a sin soidal p wer f req en y voltage that the ISG can with tan

e itio ISO 4 9 -2:2 13, Pl ast ics – M et hod s

of e posure t o la oratory l ight so rc s – Part 2: Xe on-arc lamp

3.6

rate withsta d volta e

value of a with tan voltage declared by the man f acturer to c aracterize the isolatin

value of a p wer f req en y with tan voltage declared by the man facturer to c aracterize

the isolatin b havior of an ISG

5 Requireme ts

ISGs s al b desig ed in s c a man er that when they are in tal ed in ac ordan e with the

man facturer’s in tru tion , their p r orman e s al b rel a le, sta le an safe to p rson

an s r ou din eq ipment

5.2 Environme tal re uireme ts

ISGs s al b desig ed in s c way that they o erate satisfactori y u der the en ironmental

con ition given by the normal service con ition Outdo r ISGs s al b contained in a

we ther s ield of glas -glazed ceramic, or other ac epta le material, that is resistant to UV

(ultraviolet l g t, cor osion an erosion

Compl an e is c ec ed by testin In ac ordan e with 6.2 an 6.3

5.3 In tal ation instructions

The man f acturer of the ISG s al provide adeq ate in tru tion in their l terature to en ure

that the in tal er of the ISG can select an in tal them in a s ita le an safe man er

Compl an e is c ec ed by review as p r 6.6

5.4 Lightning c r e t c r yin c pabi ity

ISGs s al have s ff i ient l g tnin c r ent car ying ca a i ty

Compl an e is c ec ed in ac ordan e with Clau e 6 folowin the man facturer’s declaration

f or the clas of the ISG in ac ordan e with Clau e 4

5.5 Rate impuls sparkov r volta e

The ISG s al alway sp rk over at this value d rin the tests

The ISG may exp rien e some variation of sp rkover c aracteristic b fore an af ter the

l g tnin c r ent test This s al b in lu ed in the rated impulse sp rkover voltage defined by

the man f acturer

5.6 Rate withsta d volta e

5.6.1 Rate DC withsta d volta e

The ISG s al never sp rk over at this value d rin the tests even after p r ormin the

l g tnin c r ent test

The ISG s al never sp rk over at this value d rin the tests even af ter p r ormin the

l g tnin c r ent test

5.7 Isolation re ista c

Before the l g tnin c r ent test the isolation resistan e s al b hig er than 5 0 kΩ an af ter

the l g tnin c r ent test isolation resistan e s al not b lower than 5 0 kΩ

5.8 Marking

Al prod cts complyin with this doc ment s al b marked at le st with the fol owin :

a) man f acturer’s or resp n ible ven or’s name or trade mark or identifyin s mb l;

5.9 UV (ultra iolet) re ista c

ISG hou in s f or outdo r in tal ation s al b made of UV resistant material

Compl an e is c ec ed by tests as p r 6.2

6.1 Ge eral conditions for te ts

The tests in ac ordan e with this doc ment are typ tests an p rf ormed in a seq en e

ac ordin to An ex A

These tests are of s c a nature that, after they have b en p rf ormed, they ne d not b

re e ted u les c an es are made to the materials, desig or typ of man facturin proces ,

whic mig t c an e the p r orman e c aracteristic of the prod ct

a) Unles otherwise sp cified, tests are car ied out with the sp cimen as embled an

in tal ed as in normal u e ac ordin to the man f acturer's or s p ler's in tru tion

b) Unles otherwise sp cif ied, thre sp cimen are s bjected to the tests an the

req irements are satisfied if al the tests are met

c) If only one of the sp cimen do s not satisfy a test d e to an as embly or a man facturin

fault, that test an an precedin one whic may have influen ed the res lts of the test

s al b re e ted an also the tests whic folow s al b car ied out in the req ired

seq en e on another ful set of sp cimen , al of whic s al comply with the

req irements

d) If the ISG has an integral con ection comp nent p rt with its desig , it s al b s bjected

to the testin regime of IEC 6 5 1-1 u in the a pro riate l g tnin c r ent given in

Ta le 1 of this doc ment

The a plcant, when s bmit in a set of sp cimen , may also s bmit an ad itional set of

sp cimen whic may b neces ary s ould one sp cimen fai The testin la oratory wi

then, without further req est, test the ad itional set of sp cimen an wi reject the sets only

if a further f ai ure oc urs If the ad itional set of sp cimen is not s bmit ed at the same time,

the fai ure of one sp cimen wi entai rejection

Prior to the testin of the ISG an clamp as embly, s ita le protection me s res s ould b

6.2 UV (ultra iolet) l ght te t

This test is neces ary for ISGs desig ed to b in tal ed outdo rs or in sp cif i en ironments

ISG hou in s for outdo r a plcation s al with tan UV l g t ef fects

One set of thre new sp cimen s al b as embled an mou ted rigidly on an in ulatin

plate (e.g bric , p lytetrafluoro th lene (PTFE) in ac ordan e with the man f acturer’s

in tal ation in tru tion

The sp cimen s al b s bjected to an en ironmental test con istin of an ultraviolet l g t

test as sp cif ied in An ex C

The sp cimen are de med to have p s ed this p rt of the test if there are no sig s of

disintegration an no crac s visible to normal or cor ected vision

En ure that the s r ace of the mou tin plate is s ita le to resist UV radiation

6.3 Re ista c te ts to cor osion

This test is neces ary for ISGs havin metal c p rts desig ed to b in tal ed outdo rs or in

sp cific en ironments

The sp cimen u ed in an complyin with the test in 6.2, s al b s bjected to cor osion

tests as p r An ex B

After the p rts have b en dried d rin 10 min in a dryin oven at a temp rature of

10 ºC ± 5 ºC, they s al not present any trace of ru t on s races

Traces of ru t on the ed es or a yel owis stain removed by rub in are not taken into

ac ou t White ru t, p tina an other s rf ace oxidation are not con idered as cor osive

IEC 6 0 8-2-7 :19 7, Clau e 4, as s own in Fig re 1 The strikin element material s al b

p lyamide as p r IEC 6 06 -2-7 :19 7, Ta le 1, an its mas s al b 2 0 g as p r