Chipangizo Choteteza Kuwonjezeka: Mitundu, Ntchito, ndi Mapulogalamu

Ndaona chochitika chimodzi chokhudza kuwonjezeka kwa magetsi chikuwononga miyezi yambiri yokonzekera kupanga ndikutseka mzere wonse usiku wonse.

A chipangizo choteteza kugwedezeka kwa mafunde Zimaletsa mphamvu yamagetsi yosakhalitsa komanso zimayendetsa mphamvu yamagetsi kupita pansi mosamala, kuteteza makina amagetsi, zida zodziwikiratu, komanso kudalirika kwa ntchito kwa nthawi yayitali.

Pansipa, ndikufotokoza momwe zipangizo zotetezera ma surge zimagwirira ntchito, komwe mitundu yosiyanasiyana imagwiritsidwa ntchito, komanso momwe magulu ogula zinthu amasankhira njira yoyenera.

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Kodi Chipangizo Choteteza Kuwonjezeka N'chiyani?

Chipangizo choteteza mafunde chimateteza magetsi ku mphamvu zamagetsi zosakhalitsa zomwe zimayambitsidwa ndi mphezi, kusintha kwa magetsi, kapena kusokonezeka kwa gridi, zomwe zimateteza kulephera kwa insulation ndi kuwonongeka kwa zida.

Chipangizo choteteza ma surge (SPD) chimayikidwa pamodzi ndi magetsi. Pa voltage yabwinobwino, sichigwira ntchito. Voltage ikapitirira malire okhazikika, SPD imasinthira ku low-impedance state ndikutumiza ma surge current ku Earth. Izi zimachitika mu nanoseconds, mofulumira kwambiri kuposa ma circuit breakers kapena ma fuse.

Zipangizo zodzitetezera ku mafunde zimagwiritsidwa ntchito kwambiri mu:

• Mabodi ogawa mafakitale

• Makabati owongolera ndi mapanelo a PLC

• Makina amphamvu a dzuwa ndi mphepo

• Malo osungira deta ndi zomangamanga za telecom

Mosiyana ndi zida zoyambira zochepetsera ma surge, zida zoteteza ma surge m'mafakitale zimayesedwa malinga ndi miyezo ya IEC 61643 ndi UL. Zimagawidwa m'mitundu yosiyanasiyana kutengera malo oyikamo ndi mphamvu ya ma surge current.

Zipangizo Zoteteza Kuthamanga vs Chitetezo Chachikhalidwe Chamakono

Zipangizo zoteteza mafunde sizilowa m'malo mwa ma fuse kapena ma breaker. M'malo mwake, zimawonjezera izi mwa kuthana ndi ma transients afupiafupi komanso amphamvu kwambiri omwe zida zamagetsi zopitilira muyeso sizingazindikire.

Kusiyana kwakukulu kumaphatikizapo:

• Kutalika kwa nthawi yowonjezereka: microseconds vs masekondi

• Gwero la mphamvu: mphezi kapena kusinthana, osati zolakwika pa katundu

• Njira yodzitetezera: kukanikiza magetsi, osati kulekanitsa

Zigawo Zazikulu M'kati mwa Chipangizo Choteteza Kuwonjezeka

Zipangizo zambiri zodzitetezera ku ma surge zimagwiritsa ntchito:

• Ma Metal Oxide Varistors (MOVs)

• Mipata ya spark kapena machubu otulutsa mpweya

• Zolumikizira kutentha kuti zikhale zotetezeka

Chigawo chilichonse chimathandizira kuyankha mwachangu komanso kulephera kolamulidwa.

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Kodi Chipangizo Choteteza Kuthamanga Chimateteza Bwanji Kuwonongeka kwa Magetsi?

Chipangizo choteteza kugwedezeka kwa magetsi chimateteza kuwonongeka mwa kutseka magetsi ndikuchotsa mphamvu yochulukirapo kuchokera ku njira zoyambira zida.

Pamene mphamvu yamagetsi imalowa mu dongosolo, mphamvu yamagetsi imakwera mofulumira. SPD imamva kukwera kumeneku ndipo imayamba kugwira ntchito nthawi yomweyo. Imapanga njira yocheperako yolowera pansi, kuonetsetsa kuti mphamvu yamagetsi imadutsa katundu wovuta monga ma drive, magetsi, ndi owongolera.

Njira yotetezera imeneyi ndi yofunika kwambiri pa zamagetsi zamakono, zomwe nthawi zambiri zimalekerera malire ang'onoang'ono a overvoltage.

Kukanikiza kwa Voltage ndi Kutaya Mphamvu

Kutseka kwa voliyumu kumachepetsa voliyumu yapamwamba yomwe imawonedwa ndi zida zotsika. Magawo ofunikira ndi awa:

• Kutulutsa kwamadzina (Mu)

• Mphamvu yotulutsa mphamvu yayikulu (Imax)

• Mulingo woteteza mphamvu yamagetsi (Kukwera)

Ma Lower Up values ​​amapereka chitetezo chabwino koma amafunika kuyanjana bwino.

Nthawi Yoyankha ndi Kugwirizana

Zipangizo zoteteza kugwedezeka kwa mafunde zimayankha mumasekondi ang'onoang'ono. Komabe, kugwirizana pakati pa ma SPD akumtunda ndi akumunsi ndikofunikira kwambiri.

Kugwirizana koyenera kumatsimikizira:

• Zipangizo za mtundu woyamba zimayamwa mphamvu zambiri za mphezi

• Zipangizo zoteteza ma surge 2 zimatseka magetsi otsala

• Ma SPD a pamlingo wa zida amapereka chitetezo chabwino

Ubwino Wokhazikika ndi Kuchita Bwino Kwambiri

Palibe chipangizo choteteza mafunde chomwe chimagwira ntchito popanda nthaka yoyenera. Njira zochepetsera mphamvu zamagetsi zimachepetsa mphamvu yamagetsi yolowera ndikuwonjezera nthawi ya moyo wa SPD.

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Mitundu ya Zipangizo Zoteteza Kuwonjezeka Zofotokozedwa

Zipangizo zotetezera ma surge zimagawidwa m'magulu a Mtundu 1, Mtundu 2, ndi Mtundu 3 kutengera miyezo ya IEC ndi malo oyika.

Mtundu uliwonse umagwira ntchito yapadera pakupanga chitetezo cha ma surge okhala ndi zigawo.

Chidule cha Chipangizo Choteteza Kukwera kwa Mtundu 1

Chipangizo choteteza ma surge cha mtundu wa 1 chayikidwa pakhomo lolowera. Chapangidwa kuti chizitha kunyamula mafunde a mphezi mwachindunji ochokera pamwamba pa chingwe.

Chidule cha Chipangizo cha Chitetezo cha Surge 2

A chipangizo choteteza matenda a surge cha mtundu wa 2 imateteza ma circuits otsika ku ma surges oyambitsidwa ndi kusintha kwa transients.

Zipangizo Zophatikizana za Mtundu 1+2

Mu mapanelo opanda malo ambiri, ma SPD ophatikizidwa amapereka mphamvu yamagetsi komanso mphamvu yamagetsi.

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Kodi Zipangizo Zoteteza Kuthamanga kwa Mtundu 1 ndi Mtundu 2 Zimagwiritsidwa Ntchito Kuti?

Zipangizo zoteteza ma surge za mtundu 1 ndi mtundu 2 zimagwiritsidwa ntchito pamlingo wosiyanasiyana wa makina ogawa magetsi kuti apange chitetezo cha magawo.

Zipangizo za mtundu woyamba zimayikidwa pamalo olowera nyumba, pomwe zida zoteteza kugwedezeka kwa mtundu wachiwiri zimayikidwa m'magawo ogawa mkati omwe ali pafupi ndi katundu.

Gwiritsani ntchito Chipangizo Choteteza Kuthamanga kwa 1

Ntchito zodziwika bwino zikuphatikizapo:

• Malo opangira mafakitale omwe ali ndi mphezi zakunja

• Nyumba zokhala ndi mawaya amagetsi pamwamba

• Malo opangira magetsi a dzuwa omwe ali pachiwopsezo cha mphezi

Zipangizozi zimateteza malo onse ku mphepo yamkuntho yomwe ikubwera.

Gwiritsani ntchito Zipangizo Zoteteza Chitetezo cha 2

Zipangizo zodzitetezera ku surge za Type 2 zimagwiritsidwa ntchito kwambiri m'magawo otsatirawa:

• Mabodi ogawa mafakitale

• Makabati owongolera ndi mapanelo a MCC

• Nyumba zamalonda ndi zipinda zosungira deta

A chipangizo choteteza kugwedezeka kwamphamvu mtundu wa 2 amachepetsa mphamvu yotsalira pambuyo pa chitetezo cha mtundu 1 ndikuteteza zamagetsi zomwe zimakhala zovuta.

Chitsanzo Chokhazikitsa Chogwirizana

Kukhazikitsa kwachizolowezi kumaphatikizapo:

• Mtundu 1 SPD pa munthu wamkulu wopeza ndalama

• Chipangizo choteteza cha mtundu wa 2 pa ma sub-panels

• Mtundu wa 3 SPDs pa malo ogwiritsira ntchito zida

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Kodi Mungasankhe Bwanji Pakati pa Zipangizo Zoteteza Mtundu 1 ndi Mtundu 2?

Kusankha pakati pa zipangizo zoteteza kugwedezeka kwa mtundu woyamba ndi mtundu wachiwiri kumadalira malo oikira, chiopsezo cha mphezi, ndi kapangidwe ka makina.

Magulu ogula zinthu sayenera kuona izi ngati chisankho chosavuta cha "kusankha chimodzi kapena ziwiri". M'mafakitale ambiri, mitundu yonse iwiri imafunika.

Zofunikira Zosankha Makiyi

Taganizirani zinthu zotsatirazi:

• Mtundu wa magetsi (pamwamba kapena pansi pa nthaka)

• Mulingo woteteza mphezi (LPL)

• Kuzindikira kwa zida ndi mtengo wa nthawi yopuma

• Miyezo yogwira ntchito (IEC, UL)

Tebulo Losankha Mtundu 1 vs Mtundu 2

Zolakwika Zofala Zogula

Nthawi zambiri ndimaona ogula:

• Kukhazikitsa zipangizo zamtundu wachiwiri zokha kwa munthu wamkulu

• Kunyalanyaza kukana kwa nthaka

• Kusankha ma SPD kutengera mtengo, osati mtengo wokwera

Zolakwa izi zimapangitsa kuti pakhale kulephera mobwerezabwereza komanso mikangano ya chitsimikizo.

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Machitidwe Odziwika a Zamalonda a Zipangizo Zoteteza Kuthamanga

Zipangizo zotetezera kukwera kwa magetsi ndizofunikira kwambiri m'mafakitale komwe nthawi yopuma imatanthauza kutayika kwa ndalama.

Mafakitale opanga, makina ogwiritsira ntchito mphamvu zongowonjezwdwanso, ndi mapulojekiti omanga nyumba zonse zimadalira njira zodzitetezera ku mafunde.

Makina Opangira ndi Odzipangira Okha

Ma SPD amateteza:

• Ma PLC ndi Ma HMI

• Ma drive osinthasintha osinthika

• Mphamvu zamagetsi zamafakitale

Ngakhale kukwera pang'ono kungayambitse zolakwika zamaganizo kapena kukalamba msanga.

Machitidwe a Mphamvu Zongowonjezedwanso

Makina ogwiritsira ntchito mphamvu ya dzuwa ndi mphepo amagwiritsa ntchito zipangizo zotetezera kutentha kwa dzuwa pa:

• Zingwe za DC

• Zotulutsa za Inverter AC

• Kuwunika ndi kulumikizana

Zomangamanga za Deta ndi Kulankhulana

Zipangizo zodzitetezera ku mafunde zimagwiranso ntchito pa:

• Mizere ya Ethernet ndi fieldbus

• Mabwalo owongolera ndi zida

Ma SPD amagetsi ndi ma signali ayenera kugwirizanitsidwa.

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Njira Zabwino Zokhazikitsira ndi Kusamalira

Kukhazikitsa bwino ndikofunikira monga kusankha chipangizo choyenera choteteza mafunde.

Kugwiritsa ntchito mawaya molakwika kungachepetse mphamvu ya SPD ndi zoposa 50%.

Malangizo Okhazikitsa

Njira zabwino kwambiri ndi izi:

• Sungani ma lead olumikizirana afupiafupi momwe mungathere

• Gwiritsani ntchito ma grounding conductor apadera

• Tsatirani zofunikira za torque ya wopanga

Kuwunika ndi Kusintha

Zipangizo zamakono zotetezera kugwedezeka kwa mafunde ndi izi:

• Zizindikiro za momwe zinthu zilili

• Maulalo a alamu akutali

Zinthu zimenezi zimathandiza magulu okonza zinthu kuzindikira mavuto omwe angabwere chifukwa cha kutha kwa moyo wawo.

Kutsatira Malamulo ndi Zolemba

Tsimikizirani nthawi zonse:

• Malipoti a mayeso a IEC 61643

• Zolemba zogwirizanitsa

• Miyeso ya nthaka

Izi zimateteza magwiridwe antchito ndi udindo.

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Mapeto

Chosankhidwa bwino chipangizo choteteza kugwedezeka kwa mafunde imachepetsa nthawi yogwira ntchito, imateteza katundu, ndipo imalimbitsa kudalirika kwa dongosolo kwa nthawi yayitali. Sankhani kutengera kapangidwe ka dongosolo, osati mtengo wa chipangizocho.

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FAQ

1. Kodi kusiyana pakati pa chipangizo choteteza ma surge ndi choletsa ma surge ndi kotani?

Chipangizo choteteza mafunde nthawi zambiri chimagwiritsidwa ntchito m'makina otsika mphamvu zamagetsi, pomwe zoletsa mafunde zimakhala zofala m'maukonde apakati ndi apamwamba mphamvu zamagetsi.

2. Kodi ndingagwiritse ntchito chipangizo choteteza matenda a surge cha mtundu wa 2 chokha?

M'mafakitale ambiri, ayi. Popanda chipangizo choteteza kugwedezeka kwa mtundu 1, mphamvu ya mphezi ingapitirire malire a mtundu 2.

3. Kodi chipangizo choteteza cha mtundu wa 2 surge chiyenera kuyikidwa kuti?

Chipangizo choteteza cha mtundu wa 2 surge chimayikidwa m'magawo ogawa omwe ali pafupi ndi katundu wovuta.

4. Kodi chipangizo choteteza ma surge chimatenga nthawi yayitali bwanji?

Kutalika kwa moyo kumadalira kuchuluka kwa mafunde, mtundu wa nthaka, ndi kuchuluka kwa mphamvu yotulutsa madzi.