Idivayisi evikelayo yamapulangwe amaningi, idivayisi yokuvikela, isiboshwa
Ukuvikelwa kwemvamisa yesikhashana namandla
Idivayisi yokuvikela (i-SPD) amanethiwekhi wokuphakelwa kwamandla kagesi ku-IEC / EN (DIN rail)
I-T2 / Uhlobo 2 / Class C / Class II ukuze isetshenziswe ezinhlelweni zokuphakelwa kwamandla kwe-AC
Idivayisi yokuvikela i-Multi-pole compact, SPD, idivayisi yokuvikela ukuqhuma, isiboshwa sokuqina
Ukufakwa okulula nokubonga okwenziwe kabusha kumklamo omncane wesikhala esincane (ububanzi obungu-18/36 mm)
Idivayisi evikelayo yamapulangwe amaningi, idivaysi yokuvikela, iphothifoliyo yokubamba ifaka izixazululo zokuvikela amasistimu angafika kuma-440 V ac kuma-surges abangelwa ukukhishwa komkhathi nokusebenza kokushintsha.
- - Idivayisi Yokuvikela ye-AC T2 / Uhlobo 2 / Isigaba C / Isigaba II
- - Ukucushwa kwenethiwekhi ye-AC (Isigaba esisodwa / 3-Isigaba)
- - Ukukhipha imisinga (Iimp, Imax, In)
- - Ubuchwepheshe bokuvikela (varistors, GDT)
- - Izici (i-plug-in, ukusayina okukude, icwecwe, umklamo omncane wesikhala esincane)
Idivayisi yokuvikela i-multi-pole compact surge, i-SPD, i-surge protection device, i-surge arrester SLP40K chungechunge liqembu lamadivayisi wokuvikela wohlobo lwe-2 T2 Class C. Zenzelwe njengesivikelo ekuvutheni kwesikhashana okudalwe yimisebenzi yokushintsha ngokushesha noma ukushaya okungaqondile kwemivimbo yombani (imiphumela ye-residuum).
Kunconywa ukufaka ama-Class SPDs njalo ngamamitha ayi-10 - 20 ubude bekhebula ngokuphindaphindiwe, imvamisa kumabhodi amakhulu nokusabalalisa. I-SLP40K-440 yakhelwe ukuxhumanisa okuqondile nama-Class I SPD omugqa FLP25. Endabeni ye-SLP40K-275, ukuxhumana nomugqa i-FLP25 kwenziwa ngamakhebula we-10 m ubude.
Idizayini ye-AC Surge Protector Device T2 isuselwa kuma-Metal Oxide Varistors. Idizayini enjalo inikeza isikhathi sokuphendula esiphansi kakhulu. Umklamo we-modular ngokufakwa kwe-plug-in uvumela ukushintshwa okulula nokusheshayo kwamamojula wokusebenza uma kwenzeka i-MOV ingaphezulu uma isikhathi sayo sokuphila sivela kaningi ngokwenzeka kweziqongo zokuvota ngokweqile.
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Imibandela Nezincazelo
Amandla okuzisholo UN
Amandla kagesi aqokiwe amele amandla kagesi ohlelo okufanele avikelwe. Inani lamandla kagesi avamile lisebenza njengokuqokwa kohlobo lwamadivayisi wokuvikela ama-system wezobuchwepheshe bolwazi. Kuboniswa njengenani le-rms lezinhlelo ze-ac.
Ubuningi bokusebenza okuqhubekayo kwamandla u-UC
Amandla okusebenza aphezulu aqhubekayo (amandla wokusebenza avunyelwe kakhulu) inani lama-rms wevolumu ephezulu engaxhunywa kumatheminali ahambisanayo wedivayisi yokuvikela yokwanda ngesikhathi sokusebenza. Lawa ngamandla aphezulu kumuntu obambayo osesimweni esichaziwe esingaqhubi, esibuyisela lowo oboshiwe emuva kulesi simo ngemuva kokuthi ekhubekile futhi esekhiphile. Inani le-UC lincike kumandla kagesi wohlelo okufanele avikelwe nemininingwane yesifaki (IEC 60364-5-534).
Ukukhishwa kwegama okwamanje In
Okwamanje ukukhishwa kwamanani inani eliphakeme le-8/20 μs current impulse lapho idivayisi yokuvikela ekalwa khona ilinganiselwe kuhlelo oluthile lokuhlola nokuthi leyo divayisi yokuvikela ingakhipha kaningi.
Ukukhishwa okukhulu kwamanje Imax
Isikhathi samanje sokukhishwa esiphezulu yinani eliphakeme kakhulu le-8/20 μs current impulse lapho idivayisi ingakwazi ukuyikhipha ngokuphepha.
Ukushaywa umbani njengamanje Iimp
I-current impulse current is a standard standard impulse current with a 10/350 μs form wave. Imingcele yayo (inani eliphakeme, ukukhokhisa, amandla athile) lingisa umthwalo obangelwe yimisinga yombani wemvelo. Umbani wamanje nababoshiwe abahlanganisiwe kumele bakwazi ukudedela imisinga yokushayela umbani kaningi ngaphandle kokubhujiswa.
Ukukhishwa okuphelele kwamanje IInani
Okwamanje okugeleza nge-PE, PEN noma ukuxhumana komhlaba kwe-SPD ye-multipole ngesikhathi sokuhlolwa okuphelele kwamanje kokukhishwa. Lokhu kuhlolwa kusetshenziselwa ukunquma umthwalo ophelele uma okwamanje kugeleza ngasikhathi sinye ezindleleni eziningana zokuvikela ze-SPD ye-multipole. Le pharamitha inquma amandla okuphela okuphelele aphethwe ngokuthembekile yisamba somuntu ngamunye
izindlela ze-SPD.
Izinga lokuvikelwa kwe-Voltage UP
Izinga lokuvikelwa kwamandla kagesi lwedivayisi yokuvikela ukuqhuma inani eliphakeme kakhulu lamandla wamandla kumatheminali wedivayisi yokuvikela ukuqhuma, enqunywa kusuka ekuhlolweni okujwayelekile komuntu ngamunye:
- I-lightning impulse sparkover voltage 1.2 / 50 μs (100%)
- Amandla we-Sparkover voltage ngezinga lokukhuphuka kwe-1kV / μs
- Kukalwa umkhawulo wamandla wamandla lapho kukhishwa ngegama okwamanje In
Izinga lokuvikelwa kwamandla kagesi libonisa amandla wedivayisi yokuvikela ukuqeda ukukhuphukela kuma-residual level. Izinga lokuvikelwa kwamandla lichaza indawo yokufaka maqondana nesigaba sevoltage ngokwe-IEC 60664-1 ezinhlelweni zokuphakelwa kwamandla. Ukuze amadivayisi wokuvikela asetshenziswe ezinhlelweni zobuchwepheshe bolwazi, izinga lokuvikelwa kwamandla kagesi kufanele liguqulelwe ezingeni lokuzivikela kwemishini ezovikelwa (IEC 61000-4-5: 2001).
Isilinganiso samanje sesifunda esifushane II-SCCR
Umkhawulo wamanje wesikhashana wesikhashana ovela kusistimu yamandla i-SPD, kuwo
Isihlanganisi esinqunyiwe sinqanyuliwe
Ikhono lokumelana nesifunda esifushane
Ikhono lokumelana nesekethe elifushane yinani lamandla esikhathi esifushane samandla-ombane aphethwe yidivayisi yokuvikela ukuqhuma lapho i-fuse yesipele ephezulu kakhulu ixhunywe ngomfula.
Isilinganiso esifushane sesekethe II-SCPV ye-SPD ohlelweni lwe-photovoltaic (PV)
Isikhathi samanje sesikhashana esifushane esingenathonya i-SPD, iyodwa noma ngokuhlangana namadivayisi wayo wokunqamula, ekwazi ukumelana nawo.
Ukuqothuka kwesikhashana (TOV)
Ukuqubuka kwesikhashana kungahle kube khona kudivayisi yokuvikela yokwanda isikhathi esifushane ngenxa yephutha ohlelweni olunamandla amakhulu. Lokhu kufanele kuhlukaniswe ngokucacile kusuka kwesikhashana okubangelwe isiteleka sombani noma ukusebenza kokushintshwa, okungapheli isikhathi esingaphezu kwe-1 ms. Ukuphakama u-UT futhi ubude bale mali engaphezulu yesikhashana bucacisiwe ku-EN 61643-11 (200 ms, 5 s noma 120 min.) Futhi zivivinywa ngawodwa ama-SPD afanele ngokusethwa kohlelo (TN, TT, njll.). I-SPD inga (a) yehluleke ngokuthembekile (ukuphepha kwe-TOV) noma b) ibe ukumelana ne-TOV (TOV ukumelana), okusho ukuthi isebenza ngokuphelele ngesikhathi nangemva kokuqhuma kwesikhashana.
Okwamanje umthwalo wamanje (owokuqanjwa njengamanje) IL
Okwamanje umthwalo wokulayisha ubukhulu besikhathi esivumelekile bokusebenza obungagobhoza unomphela kumatheminali ahambisanayo.
Umqhubi wesivikelo wamanje IPE
Okwamanje okokuqhuba okokuvikela yikhona manje okugeleza ngokuxhumeka kwe-PE lapho idivayisi yokuvikela yokwanda ixhunywe kumthamo wokusebenza oqhubekayo ophakeme kakhulu we-UC, ngokusho kwemiyalo yokufaka nangaphandle kwabasebenzisi abasebenza ngokulayisha.
I-fuse yesipele yokuvikela / yokubamba eseceleni kwamapayipi
Isisetshenziswa esivikela ngokweqile (isb. I-fuse noma i-breaker breaker) esendaweni engaphandle kwesibambi ngasohlangothini oluhluthisiwe ukuphazamisa imvamisa yokulandela amandla kagesi ngokushesha nje lapho amandla okwephuka kwensimbi yokuvikela ukuqhuma eyedlulisiwe. Ayikho i-fuse yesipele eyengeziwe edingekayo ngoba i-fuse yokusekelayo isivele ihlanganiswe ku-SPD (bheka isigaba esifanele).
Ububanzi bokushisa obusebenzayo TU
Ibanga lokushisa elisebenzayo libonisa ibanga lapho amadivayisi angasetshenziswa khona. Kumadivayisi angafudumezi, ilingana nebanga lokushisa elikhona. Ukukhuphuka kwezinga lokushisa lamadivayisi wokuzifudumeza akumele kweqe inani eliphakeme elibonisiwe.
Isikhathi sokuphendula tA
Izikhathi zokuphendula ikakhulukazi ziveza ukusebenza kwempendulo yezakhi zokuvikela ngazinye ezisetshenziswe ekuboshweni. Ngokuya ngesilinganiso sokukhuphuka kwe-du / dt samandla we-impulse noma i-di / dt yamanje wempembelelo, izikhathi zokuphendula zingahluka ngaphakathi kwemikhawulo ethile.
Isixhumi esinqamulayo
Khuphula amadivayisi wokuvikela ukuze usetshenziswe ezinhlelweni zokuphakelwa kukagesi ezifakwe
ama-resistors alawulwa ngama-voltage (varistors) ikakhulukazi afaka i-disconnector eshisayo ehlanganisiwe enqamula insimbi yokuvikela ukuqhuma kuma-mains uma kwenzeka kugcwala ngokweqile futhi kukhombisa lesi simo sokusebenza. Isinqamuli siphendula "ukushisa kwamanje" okwenziwe i-varistor egcwele ngokweqile futhi sinqamule okokuvikela okuvela kuma-mains uma izinga lokushisa elithile lidluliwe. I-disconnector yenzelwe ukunqamula okokuvikela okugcwala ngokweqile ngesikhathi ukuvikela umlilo. Akuhloselwe ukuqinisekisa ukuvikelwa ekuthintaneni okungaqondile. Umsebenzi walezi zinto ezinqamulelayo ezishisayo ungahlolwa ngokusebenzisa ukugcwala ngokweqile / ukuguga okwenziwe ababoshiwe.
Oxhumana naye osayina kude
Oxhumana naye osayina kude uvumela ukuqapha okukude okulula nokukhombisa isimo sokusebenza sedivayisi. Ifaka ukuphela kwamapali amathathu ngesimo soxhumana noshintsho ezintantayo. Lokhu kuxhumana kungasetshenziswa njengekhefu kanye / noma ukuxhumana, ngakho-ke kungahlanganiswa kalula ohlelweni lokulawula ukwakhiwa, isilawuli seKhabhinethi yokushintsha, njll.
Ukuboshwa kwe-N-PE
Amadivayisi wokuvikela akhelwe kuphela ukufakwa phakathi komqhubi we-N no-PE.
Inhlanganisela wave
Igagasi lenhlanganisela likhiqizwa yi-hybrid generator (1.2 / 50 μs, 8/20 μs) ene-impedance yamanga ka-2 Ω. Amandla kagesi avulekile ale generator abizwa nge-UOC. I-UOC iyinkomba encanyelwayo yokubanjwa kohlobo lwe-3 ngoba yilaba ababoshiwe kuphela abangahlolwa ngegagasi elihlanganisiwe (ngokusho kwe-EN 61643-11).
I-Degree yokuvikela
Izinga lokuvikelwa le-IP lihambelana nezigaba zokuvikela ezichazwe ku-IEC 60529.
Uhlu lwamaphutha
Ibanga lemvamisa limelela ibanga lokudlulisa noma imvamisa yokusika yesiboshwa ngokuya ngezimpawu zokuncishiswa ezichaziwe.
kufanele isuselwe kunani le-oda.
Ukuvikelwa kombani we-EMC - umqondo wezoni ngokuya nge-IEC 62305-4: 2010 I-Lightning Protection Zone (LPZ)
Umqondo wendawo yokuvikela umbani we-EMC ngokuya nge-IEC 62305-4-2010 LPZ_1
Izindawo ezingaphandle:
I-LPZ 0Indawo lapho usongo lungenxa yenkambu kagesi engakhanyiswanga futhi lapho amasistimu angaphakathi angabhekelwa ngokuphelele njengamanje.
I-LPZ 0 ihlukaniswe yaba:
I-LPZ 0A: Indawo lapho usongo lubangelwa ukukhanya okuqondile kombani kanye nensimu ephelele yombani kagesi. Izinhlelo zangaphakathi zingabhekelwa njengamanje njengokwenyuka kombani.
I-LPZ 0B: Indawo ivikelwe emibani eqonde ngqo kepha lapho usongo luyi-field light kagesi ogcwele. Izinhlelo zangaphakathi zingabhekana nemisinga yokwanda kombani ngokwengxenye.
Izindawo ezingaphakathi (zivikelwe emibani eqondile):
I-LPZ 1Indawo lapho umkhawulo wokukhuphuka unqunyelwe ngokwabelana kwamanje nokuhlukanisa okwehlukile kanye / noma ngama-SPD emngceleni. Ukuvikelwa kwendawo kunganciphisa inkambu yombane kagesi.
I-LPZ 2 … N: Indawo lapho i-surge current ingahle ikhawulelwe ngokwabelana kwamanje
nokuhlukanisa izindawo zokuhlangana kanye / noma ngama-SPD angeziwe emngceleni. Ukuvikelwa kwendawo okwengeziwe kungasetshenziselwa ukuqhubeka kunciphise inkambu kagesi kagesi.
