Mndandanda wa AC SPDs T2 + T3 SLP20

Chipangizo cha AC Surge Protection SPD T2 + T3 C + D II + III SLP20

Kuteteza kwakanthawi komanso mphamvu pafupipafupi poteteza chitetezo
Zipangizo zotetezera (SPD) zamagetsi zamagetsi ku IEC / EN (njanji ya DIN)
T2 + T3 / Class C + D / Class II + III kuti mugwiritse ntchito pamagetsi a AC

Mbiri yotetezera yowonjezera ikuphatikiza mayankho oteteza machitidwe mpaka 1,000 V ac motsutsana ndi ma surges oyambitsidwa ndi kutulutsa kwamlengalenga ndikusintha.

Chida cha AC Surge Protection Chipangizo cha SPD T2 + T3 SLP20 ndi gulu la Zipangizo Zotetezera za Class III. Amawateteza kuti asatengeke kwakanthawi kwakanthawi, ndikuyika kutsika kwa Class II SPDs. Gawo logwiritsira ntchito la SLP20 ndikuteteza zamagetsi zamagetsi zomwe zimagwiritsidwa ntchito mkati kapena pafupi ndi bolodi yogawa, makamaka makina apanyumba, makina a IT ndi zina. Kulumikizana kwa zinthu zogwirira ntchito kumapereka chitetezo choyenera cha wochititsa L ndi N kulowera kwa PE chifukwa cha ma MOV ofanana onse ogwira ntchito otsogolera komanso kudzipatula kwathunthu chifukwa cholumikizidwa ndi PE kudzera pa Spark Gap.

Ma SPD a Class III akuyenera kukhazikitsidwa pamtunda wa 5 mita kuchokera pachida chotetezedwa. Kuphatikiza ndi Class II SPDs SLP20 kumatanthauzidwanso kuti kuyika pafupi. Kuti mukwaniritse magawo abwino, tikulimbikitsidwa kuyika makalasi onse awiriwa mtunda wolumikizana wa zingwe zisanu.

Kapangidwe ka AC Surge Protection Device SPD T2 + T3 SLP20 kutengera Metal Oxide Varistors. Kupanga koteroko kumapereka nthawi yotsika kwambiri. Kapangidwe kabwino ka ma plug-in omwe amalowetsa amalola kusintha kosavuta komanso mwachangu kwa ma module amachitidwe ngati MOV itha kupitirira ngati utali wamoyo wake chifukwa chakuchuluka kwazitali zazitali.

Malemba ndi Mafotokozedwe

Mphamvu yamagetsi U_N

Voliyumu yamagetsi imayimira ma voliyumu amtundu wa makina kuti atetezedwe. Mtengo wamagetsi amtunduwu nthawi zambiri umakhala ngati mtundu wazida zodzitchinjiriza pazida zaukadaulo wazidziwitso. Zimasonyezedwa ngati mtengo wa rms kwa machitidwe a ac.

Zolemba malire ntchito voteji U_C

Mphamvu yamagetsi yamagetsi yopitilira muyeso (mphamvu yamagetsi yovomerezeka yovomerezeka) ndiye kufunika kwa mphamvu yamagetsi yamagetsi yomwe ingagwirizane ndi zotumphukira zomwe zimagwiritsidwa ntchito poteteza. Awa ndiye mphamvu yayikulu kwambiri yomwe imagwira omwe akumangidwa mdziko lomwe sakuyendetsa, lomwe limabwezeretsa womangayo kubwerera kudziko lino atapunthwa ndikutulutsa. Mtengo wa UC umatengera mphamvu zamagetsi zadongosolo lomwe liyenera kutetezedwa ndikufotokozera kwa okhazikitsa (IEC 60364-5-534).

Mwadzina kumaliseche pano I_n

Zomwe zimatulutsa pakali pano ndizopindulitsa kwambiri za 8/20 μs zomwe zimapangitsa kuti chida chotetezera chiwerengedwe mu pulogalamu inayake yoyeserera komanso chomwe chida chotetezera chimatha kutulutsa kangapo.

Zolemba malire kumaliseche panopa I_Max

Kutulutsa kwakukulu pakadali pano ndizokwera kwambiri kwa ma 8/20 μs pakulimbikitsa komwe chipangizocho chimatha kutulutsa bwino.

Mphezi zimakopa pano_Ndondocha

Mphezi yomwe imakhudzidwa pano ndi yokhazikika pakapangidwe kazomwe zili ndi mawonekedwe a 10/350 μs. Magawo ake (mtengo wapamwamba, kulipiritsa, mphamvu inayake) amatsanzira katundu woyambitsidwa ndi mphezi zachilengedwe. Mphezi zaposachedwa komanso zophatikizika zophatikizika ziyenera kukhala zotheka kutulutsa mphezi ngati izi popanda kuwonongedwa.

Kutulutsa kwathunthu pano I_okwana

Zamakono zomwe zimadutsa mu PE, PEN kapena kulumikizana kwapadziko lapansi kwa ma SPD angapo pakamayesedwe kathunthu pakadali pano. Kuyesaku kumagwiritsidwa ntchito kudziwa kuchuluka kwathunthu ngati pakadali pano ikuyenda munthawi zingapo zodzitetezera za SPD yamagulu angapo. Chizindikiro ichi ndichofunikira kwambiri pakutha kwathunthu komwe kumayendetsedwa molondola ndi kuchuluka kwa munthuyo

njira za SPD.

Mulingo wachitetezo cha Voltage U_P

Mulingo wachitetezo cha ma voliyumu azida zotetezera ndikumagwiritsa ntchito mphamvu yama voliyumu pafupipafupi pazida zotetezera, zotsimikizika kuchokera kumayeso oyenerera a munthu aliyense:

- Mphezi yotulutsa mphamvu yamagetsi yamagetsi 1.2 / 50 μs (100%)

- Sparkover voltage ndi kuchuluka kwakukwera kwa 1kV / μs

- Anayesa malire a voliyumu potulutsa dzina pano I_n

Mulingo wachitetezo chamagetsi umadziwika ndi chida choteteza choteteza kuti muchepetse milingo yotsalira. Mulingo wachitetezo chamagetsi umatanthauzira komwe kuli malo okhudzana ndi kuchuluka kwa magetsi malinga ndi IEC 60664-1 yamagetsi. Kuti zida zodzitetezera zigwiritsidwe ntchito muukadaulo wazidziwitso, mulingo wachitetezo chamagetsi uyenera kusinthidwa kuti ukhale chitetezo cha zida zomwe ziyenera kutetezedwa (IEC 61000-4-5: 2001).

Mulingo wapafupipafupi wa I_SCCR

Kutalika kwaposachedwa kwambiri kwakanthawi kogwiritsa ntchito magetsi komwe SPD, mu

cholumikizira ndi cholumikizira chomwe chatchulidwa, chidavoteredwa

Kupirira kwakanthawi kochepa kumatha

Kutha kwakanthawi kochepa ndikofunika kwa oyembekezera pafupipafupi omwe amayendetsedwa ndi chida chotetezera pomwe fyuzi yolumikizira yolumikizira yolumikizidwa kumtunda.

Chiwerengero chachifupi I_Zamgululi ya SPD mu dongosolo la photovoltaic (PV)

Maulendo afupipafupi osasunthika omwe SPD, yokha kapena molumikizana ndi zida zake zolumikizira, imatha kupirira.

Kutentha kwakanthawi (TOV)

Kutulutsa kwakanthawi kwakanthawi kochepa kumatha kupezeka pazida zoteteza kwa kanthawi kochepa chifukwa cha vuto lamphamvu yamagetsi. Izi zikuyenera kusiyanitsidwa ndi kwakanthawi kochepa komwe kumachitika chifukwa cha kuwomba kwa mphezi kapena kusintha kosintha, komwe sikukhala pafupifupi 1 ms. Matalikidwe a U_T ndipo kutalika kwakanthawi kwakanthawi kotereku kwafotokozedwa mu EN 61643-11 (200 ms, 5 s kapena 120 min.) ndipo amayesedwa payekhapayekha ma SPD oyenera malinga ndi kasinthidwe kachitidwe (TN, TT, etc.). SPD itha a) kulephera moyenera (chitetezo cha TOV) kapena b) kukhala yosagwira TOV (TOV kuyimilira), kutanthauza kuti imagwira ntchito kwathunthu pakutsatira kwakanthawi kwakanthawi.

Mwadzina katundu panopa (mwadzina panopa)_L

Zomwe zilipo pakali pano ndizovomerezeka kwambiri pakadali pano zomwe zimatha kuyenda mpaka kumapeto.

Wotetezera wotsogolera pano I_PE

Makina otetezera pano ndi omwe amayenda kudzera mu kulumikizana kwa PE pomwe chida chotetezera chikalumikizidwa kumtunda wopitilira muyeso wa U_C, malinga ndi malangizo okhazikitsa komanso osagwiritsa ntchito katundu.

Mbali yamafupa yotetezera / kugwirizira fuseti yosungira

Chida chotetezera chapamwamba (mwachitsanzo fyuzi kapena chosokoneza dera) chomwe chili kunja kwa womangayo mbali yomwe infeed kuti isokoneze kuchuluka kwa mphamvu pakutsatira mphamvu posachedwa pomwe chida chotetezera chikadutsa. Palibe fuseti yowonjezera yowonjezera yomwe ikufunika popeza fuse ya backup idalumikizidwa kale mu SPD (onani gawo loyenera).

Kutentha kotentha T_U

Kutentha kwa magwiridwe antchito kumawonetsera mtundu womwe zida zingagwiritsidwe ntchito. Kwa zida zopanda kudziletsa, zimakhala zofanana ndi kutentha kwapakati. Kutentha kwazida zodziyimira panokha sikuyenera kupitirira kuchuluka komwe kukuwonetsedwa.

Nthawi yoyankha t_A

Nthawi zoyankhira makamaka zimawonetsa kuyankha kwamachitidwe azinthu zodzitchinjiriza zomwe zimagwiritsidwa ntchito pomangidwa. Kutengera kuchuluka kwa kukwera kwa du / dt kwamphamvu yamagetsi kapena di / dt yazomwe mukukakamiza, nthawi zoyankhira zimatha kusiyanasiyana pamalire ena.

Wosokoneza kutentha

Makina otetezera ogwiritsa ntchito pamagetsi okhala ndi

ma resistor olamulidwa ndi magetsi (varistors) makamaka amakhala ndi cholumikizira chophatikizira champhamvu chomwe chimatseka chida choteteza ku mains kuti chikhale chokwanira kwambiri ndikuwonetsa izi zikugwira ntchito. Cholumikizira chimayankha "kutentha komwe kulipo" komwe kumadzaza ndi varistor yodzaza ndi kutulutsa chotchingira choteteza m'mayendedwe ngati kutentha kwina kwapitilira. Cholumikizira chidapangidwa kuti chisiye chida chodzitetezera chodzaza ndi nthawi munthawi yopewa moto. Sikuti cholinga chake ndikuteteza chitetezo cha anthu osakumana nawo mwachindunji. Ntchito ya ma disconnectors otenthawa amatha kuyesedwa pogwiritsa ntchito zochulukitsa / ukalamba wa omanga.

Kusonyeza kwakutali kwakutali

Kulumikizana kwakutali kumalola kuwunikira kosavuta kwakutali ndikuwonetsa momwe ntchito ikugwiritsidwira ntchito. Imakhala ndi malo okhala ndi mitengo itatu ngati cholumikizira choyandama. Kulumikizaku kumatha kugwiritsidwa ntchito ngati nthawi yopumira komanso / kapena kulumikizana ndipo itha kuphatikizidwa mosavuta mu makina owongolera nyumba, woyang'anira switchgear kabati, ndi zina zambiri.

Kumangidwa kwa N-PE

Zipangizo zodzitchinjiriza zopangidwira kukhazikitsa pakati pa woyendetsa N ndi PE.

Kuphatikiza funde

Mafunde osakanikirana amapangidwa ndi jenereta wosakanizidwa (1.2 / 50 μs, 8/20 μs) wokhala ndi mphekesera yopeka ya 2 Ω. Mphamvu yamagetsi yotseguka ya jenereta iyi amatchedwa UOC. UOC ndiye chisonyezero chosankhika cha omangidwa amtundu wa 3 popeza omangidwa okhawo ndi omwe angayesedwe ndi mafunde osakanikirana (malinga ndi EN 61643-11).

Degree of chitetezo

Kutetezedwa kwa IP kumagwirizana ndi magulu achitetezo omwe afotokozedwa mu IEC 60529.

Mafupipafupi

Mawonekedwe amtunduwu amayimira kuchuluka kwa kufalikira kapena kudula pafupipafupi kwa womangidwa kutengera mawonekedwe omwe afotokozedwa.

ziyenera kutengera kuchuluka kwa dongosolo.

Kuteteza mphezi kwa EMC - lingaliro la zone malinga ndi IEC 62305-4: 2010 Malo Otetezera Mphezi (LPZ)

Zigawo zakunja:

Chithunzi cha LPZ0: Malo omwe chiwopsezocho chimachitika chifukwa cha gawo lamagetsi lamagetsi lamagetsi lamagetsi lamagetsi lamagetsi lamagetsi lamagetsi lamagetsi lamagetsi lamagetsi lamagetsi lamagetsi.

LPZ 0 yagawika mu:

Chithunzi cha LPZ0_A: Malo omwe chiwopsezo chimachitika chifukwa cha kung'anima kwa mphezi komanso gawo lamagetsi lamagetsi. Makina amkati amatha kuyang'aniridwa ndi mphezi.

Chithunzi cha LPZ0_B: Malo amatetezedwa ku mphezi zowongoka koma komwe kuli chiwopsezo kumunda wonse wamagetsi wamagetsi. Machitidwe amkati amatha kukhala ndi mafunde owala pang'ono.

Zigawo zamkati (zotetezedwa ku mphezi zowunikira):

Chithunzi cha LPZ1: Malo omwe mafunde akuchulukirachulukira amakhala ochepa pakugawana pakadali pano ndi kupatula mawonekedwe ndi / kapena ma SPD pamalire. Kutetezedwa kwa malo kumachepetsa mphamvu yamagetsi yamagetsi yamagetsi.

Chithunzi cha LPZ2 … N: Malo omwe mafunde akuchulukirachulukira amatha kuchepetsedwa ndikugawana pano

ndi kupatula malo olumikizirana ndi / kapena ndi ma SPD ena pamalire. Kuteteza kwina kwa malo kungagwiritsidwe ntchito kupititsa patsogolo mphamvu yamagetsi yamagetsi yamagetsi.