Babban kariya ta karuwa da aiki don ire-iren aikace-aikacen kasuwanci, masana'antu, ko aikace-aikacen zama. Ya hada da cikakkiyar kariya ta cikin gida ga masu gida ko ‘yan kwangila.
Ana amfani da kewayon aikace-aikacen mai ba da kariya akan wutar lantarki · AM * - * Ana amfani da mai kare lafiyar wutar lantarki don hana lalacewar tsarin wutar DC da kayan aikin lantarki wanda ya haifar da tsawan wutar lantarki da tsaftataccen yanayi, da kuma kare amincin kayan aiki da masu amfani. Ya dace da kowane nau'ikan tsarin DC, kamar ƙarshen kayan aikin wutar lantarki na sakandare, allo na rarraba DC da kuma kayan aikin wutar lantarki daban-daban. Ana amfani dashi sosai cikin kariyar ikon DC na tashoshin sadarwa ta salula, ofisoshin sadarwa na microwave (tashoshin), dakunan sadarwa, masana'antu, sufurin jiragen sama, kudade, tsaro da sauran tsare-tsaren.
Mai zuwa samfurin samfurin da gabatarwar ：
EA9L209F230, EA9L409F230, EA9L659F230, EA9L208Fr400, EA9L208F400, EA9L408Fr400, EA9L208F400, EA9L658Fr400, EA9L658F400, A9L020600, A9L040401, A9L040500, A9L202022, A9L020400, A9L16634, A9L065401, EA9L65, A9L065101, A9L065501, A9L065201, A9L065301, A9L065601, A9L065401, A9L065102, A9L040101, A9L040201, A9L040501, A9L040301, A9L040601, RD 65r 65kA 1P 275V PRD 65r 65kA 1P + N PRD 65r 65kA
Na'urar kariya ta Surge, Easy9, iMAX 65KA EA9L659F230
Naúrar Kariya ta Surge, Imax65 KA, A cikin 35KA, Sama 1.9KV, Uc 350V IPRU65 / IPRUGN
Naúrar kariya ta Surge, I Max-40KA, In-20KA, Up-1.5KV, Uc-340V IPR40
Naúrar kare kariya, iMax-65KA, In-35KA, Up-2 KV, Uc-340V IST65 3P
Bala'in walƙiya na ɗaya daga cikin mummunan bala'o'in bala'i, kuma akwai asarar rayuka da asarar dukiya da bala'i ya haifar a duniya kowace shekara. Tare da babban sikelin kayan haɗin lantarki da kayan lantarki na microelectronic, lalacewar tsarin da kayan aiki wanda lalacewa ta hanyar walƙiya ta walƙiya da matattarar wutar lantarki wanda ya haifar da yaduwar walƙiya ke ƙaruwa. Sabili da haka, yana da matukar muhimmanci a magance matsalolin kariyar bala'i na gine-gine da tsarin bayanan lantarki da wuri-wuri.
Tare da ƙara tsauraran buƙatu don kariya ta walƙiya na kayan aiki masu haɗari, shigar da na'urorin kariya na karuwa (SPDs) don murƙushe ɗakuna da rikice-rikice na kan layi, kuma wuce gona da iri akan layin zub da jini sun zama mahimman hanyoyi a cikin fasahar kariyar walƙiya ta zamani.
1. Halayen walƙiya
Kariyar walƙiya ya haɗa da kariya ta walƙiya ta waje da kariya ta walƙiya na ciki. Kariyar walƙiya ta waje an dogara ne kacokam akan masu karɓar walƙiya (igiyoyin walƙiya, raga na walƙiya, belis na kare kariya, layin kare filaye), masu ɗaukar hoto, da na’urar ƙasa.The babban aikin shine tabbatar da cewa rukunin ginin yana kariya daga walƙiyar kai tsaye da zai iya bugawa. Walƙiya daga gine-ginen ana zubar da ƙasa a cikin ƙasa ta hanyar igiyoyi (belts, raga, igiyoyi), masu ɗaukar hoto, da dai sauransu. Kariyar walkiya ta ciki ta haɗa da matakan hana fitowar walƙiya, tashin layin ƙasa, ƙyalƙyawar walƙiya, walƙiyar walƙiya, da induction na lantarki da wutar lantarki . Hanyar asali ita ce amfani da haɗin kayan wuta, gami da haɗin kai tsaye da haɗin kai tsaye ta hanyar SPD, ta yadda jikunan ƙarfe, layin kayan aiki da ƙasa ya samar da jikin mutum na yanayi, wanda zai rufe da kuma haifar da abubuwan ciki na ciki wanda ya haifar da walƙiya da sauran lamuran. Walƙiya mai gudana ko ta halin yanzu ana zubar da shi cikin ƙasa, ta haka yana kiyaye amincin mutane da kayan aiki a ginin.
Ana nuna walƙiya ta hanyar wutar lantarki mai sauri sosai (a cikin 10 )s), manyan girma voltages (dubun dubbai zuwa miliyoyin volts), manyan igiyoyin ruwa (dubun zuwa dubban daruruwan amps), da kuma lokutan gajeren lokaci (dubun zuwa daruruwan microse seconds) ), Saurin watsawa yana da sauri (yana yaduwa da saurin haske), kuma makamashi yana da girma sosai, wanda shine nau'in wutar lantarki mai lalacewa.
2 Raba nau'in Mafutocin Surge
SPD na'ura ce mai mahimmanci don walƙiya don kare kayan lantarki.Hajan rawa shine iyakance madaidaiciyar ikon jujjuya kai tsaye wanda ya ratsa cikin layin wuta da layin watsa siginar zuwa zangon wutar lantarki wanda kayan aiki ko tsarin zai iya jurewa, ko kuma fitar da wata walƙiya mai ƙarfi a cikin ƙasa Kare kayan aikin kariya ko tsarin daga tasirin.
2. 1 rarrabuwa ta hanyar aiki
An rarrabasu gwargwadon ka'idodinsu na aiki, ana iya rarraba SPD zuwa nau'in sauyawa mai canzawa, nau'in iyakancewar ƙarfin lantarki da nau'in haɗuwa.
(1) nau'in sauyawa irin na SPD. Yana nuna babban cikas lokacinda babu wani takaddama mai wucewa. Da zarar ta amsa tuddai na walƙiya, ikonta ya canza zuwa ƙarancin haske, da barin walƙiyar yanzu ta ratsa. Ana kuma kiranta "short-circuit swing SPD".
(2) tageaukar nauyin VolD. Lokacin da babu madaidaicin rikitarwa na lokaci, yana da babban illa, amma tare da karuwa a halin yanzu da kuma ƙarfin lantarki, tofincinta zai ci gaba da raguwa, kuma halayensa na yanzu da na ƙarfin lantarki suna da ƙarfi marasa layi, waɗanda a wasu lokuta ake kira "clamping SPD".
(3) Hada SPD. Haɗaɗɗun nau'ikan juyawa ne na nau'ikan juyawa da nau'ikan nau'ikan ƙwaƙwalwa, wanda za'a iya nuna shi azaman nau'in sauyawa mara nauyi ko nau'in mai iyakancewar ƙarfin lantarki ko kuma duka biyun, ya danganta da halayen ƙarfin wutar lantarki.
2. 2 rarrabuwa ta manufa
Dangane da rarrabuwarsu, ana iya rarraba SPD zuwa layin wuta SPD da layin siginar SPD.
2. 2.1 Layin Lantarki na SPD
Saboda yawan walƙiyar walƙiya tana da girma ƙwarai, ya zama dole a hankali a saki ƙarfin walƙiyar walƙiya zuwa ƙasa ta hanyar fitowar shuwagabannin. Shigar da masu kariya ta jiki ko masu ba da kariya ta hanyar ƙarfin lantarki waɗanda suka wuce gwajin Class Class a matakin kariya ta walƙiya kai tsaye (LPZ0A) ko kuma a ƙarshen yankin kariya ta walƙiya kai tsaye (LPZ0B) da kuma yankin kariya na farko (LPZ1). Kariyar matakin farko, saki walƙiyar kai tsaye ta yau, ko kuma sakin babban kuzarin da aka gudanar yayin layin wutar lantarki yana fuskantar yajin aiki kai tsaye. Sanya kariyar mai iyakancewa-mai iyakancewar ƙarfin lantarki a ƙarshen kowane yanki (gami da yankin LPZ1) bayan yankin na farko na kariya, azaman matakin na biyu, na uku ko mafi girma. Mai kare matakin na biyu shine na'urar kariya domin karfin komputa na mai kare matakin farko da kuma yajin aiki na walƙiya a yankin. Lokacin da babban ɗamarar walƙiyar haske ya faru a matakin farko, wani ɓangare har yanzu ya kasance babba ga na'urar ko kuma mai kare matakin na uku. Za'a gudanar da kuzarin kuma yana buƙatar karɓar mai kare matakin na biyu. A lokaci guda, layin watsa wanda ya wuce wanda ke kama mai matakin farko zai kuma haifar da bugun wutar lantarki na yajin aiki. Lokacin da layin ya isa, makamashin walƙiyar da aka jawo ya zama mai girma, kuma ana buƙatar mai tsaro na matakin na biyu don ƙarin ƙarfin wutar yajin aiki. Mai kare matakin na uku yana kare ragowar walƙiyar walƙiya da ke wucewa ta kariya ta biyu. Dangane da matsin lamba na ƙarfin lantarki na kayan aikin kariya, idan za a iya amfani da matakan kare walƙiya biyu don iyakantar da ƙarfin ƙarfin lantarki sama da ƙarfin ƙarfin ƙarfin na'urar, to, matakan kare biyu kawai ake buƙata; idan ƙarfin ƙarfin ƙarfin komputa na na'urar ya yi ƙasa, matakan huɗu ko levelsarin matakan kariya.
Lokacin zabar SPD, da farko kuna buƙatar fahimtar wasu sigogi da yadda yake aiki.
(1) Yankin 10 / 350's shine zazzagewar mai sauƙin kunnawa ta kai tsaye, kuma ƙarfin motsi yana da girma; igiyar 8 / 20's mai motsi ce wacce tayi kwalliya da shigo da walkiya da kuma walkiya.
(2) Sakin mara mara karfi a halin yanzu Ana nufin matsin lamba wanda yake gudana a cikin SPD, igiyar ruwa ta 8 / 20's.
(3) Matsakaicin matsakaicin zangon Imax ana kuma kiranta matsakaicin matsakaicin kwararar ruwa, wanda yana nufin matsakaicin yawan fitarwa wanda SPD zai iya tsayawa sau ɗaya tare da motsin 8/20 na yanzu.
(4) Matsakaicin matsakaici mai tsaurin ƙarfin lantarki Uc (rms) yana nufin matsakaicin ingantacciyar darajar ƙarfin wutar lantarki ta AC ko ƙarfin DC wanda za'a iya ci gaba da amfani da SPD.
(5) Rashin wutar lantarki Ur yana nufin ƙimar wutar lantarki ta saura a cikin ɗinka mai ɗorawa a halin yanzu In.
(6) Tsarin ƙarfin lantarki yana bayyanar da sigar halin haɓakawa tsakanin tashoshin iyakance ƙaddarar SPD. Za'a iya zaɓar ƙimar ta daga jerin ƙimar abubuwan da aka fi so kuma ya kamata ya fi girma fiye da ƙimar mafi girman ƙarfin ƙarfin lantarki.
(7) Nauyin juyawa na lantarki mai lamba SPD wanda yake yawan motsawar 10/350 na halin yanzu, kuma nau'in iyakancewar karfin wutar lantarki da ake amfani da shi SPD ya haskaka guguwa na 8 / 20μ a halin yanzu.
Abubuwan da aka gyara na asali na mai kariya mai motsa jiki
1. Fitar zubar da ruwa (kuma ana kiranta rarar kariya):
Gabaɗaya ya ƙunshi sandunan ƙarfe biyu waɗanda aka fallasa su ga iska tare da takamaiman rata. Connectedaya daga cikin sandunan ƙarfe an haɗa shi zuwa layin wuta na L1 ko tsaka-tsakin layin (N) na kayan da za a kiyaye shi, kuma sauran sandar ƙarfe an haɗa shi da haɗin ƙasa (PE). Lokacin da rikitarwa na wucin gadi ya fadi, ragargaza ta karye, kuma an gabatar da wani ɓangare na cajin overvoltage a cikin ƙasa, wanda ke hana ƙarfin lantarki akan kayan aikin kariya. Za'a iya daidaita tazara tsakanin sandar karfe biyu na irin wannan rarar fitarwa kamar yadda ake buƙata, kuma tsarin yana da sauƙi. Rashin kyau shine aikin kashe wutar lantarki mai kyau. Inganta ragin cirewar tazara ce, tazara, kuma aikin kashe wutar lantarki ya fi na farkon. An kashe ta da wutar lantarki F na kewaye da tashin tashin iska mai zafi.
2. bututun mai:
Ya ƙunshi nau'i biyu faranti cathode faranti da aka keɓe daga juna kuma a rufe su a cikin gilashin bututu ko kuma yumbu mai cike da takaddar gas inert (Ar). Don haɓakar yiwuwar bututun dake fitowar bututun, ana kuma bayar da wakili mai shiga cikin bututun mai. Akwai nau'ikan gas na cika mai da gas biyu:
Sigogin fasaha na bututun iskar gas sun fi yawa: DC fitarwa ƙarfin lantarki Udc; voltage ƙarfin fitarwa na ƙarfi Up (Up ≈ (2 ~ 3) Udc a ƙarƙashin yanayi na yau da kullun; mitar ƙarfin tsayayya da halin yanzu A; motsi ya tsayayya da Ip na yanzu; juriya mai rufin R (> 109Ω); acarfin (1-5PF)
Za'a iya amfani da bututun mai a ƙarƙashin ruwan DC da AC. Fitar voltages na DC wanda aka zaba Udc sune kamar haka: Amfani da shi ƙarƙashin yanayin DC: Udc ≥ 1.8U0 (U0 shine ƙarfin wutar lantarki DC don aikin layi)
Yi amfani da shi a ƙarƙashin yanayin AC: U dc≥1.44Un (Un shine ƙimar ƙarfin wutar lantarki ta AC don aikin layin al'ada)
SurgeArrest mahimmanci
Kare asali na Tsare Surarfin Powerarfi don Kwamfutoci da Lantarki
Partangare na SurgeArrest
Tabbatacce kariya daga ragi da walƙiya
SurgeArrest Home / Office
Protectionwararrun Gwanayen Kula da Wutar Lantarki na Kwamfuta da Lantarki
Partangare na SurgeArrest
Kawai keken kare duniya don hada jagorar kebul na cirewa da mai riƙe da igiya.
Aikin SurgeArrest
Matsakaicin Karfin gearancin gearancin Karfafawa ga Kwamfutoci, Littattafai da sauran Lantarki
Partangare na SurgeArrest
Kawai keken kare duniya don hada jagorar kebul na cirewa da mai riƙe da igiya.
Kare Surge
Mafi tsaran kariya ta hanyar, mai kafaffiyar kaho, ya bayyana ne a karshen karni na 19. An yi amfani da shi don layin watsa wutar lantarki sama don hana yaduwar walƙiya ta lalata lalata kayan aiki da haifar da katsewar wutar lantarki. A cikin 1920s, masu kare karfen alumini, masu kare finafinai na kare sinadarin madara da nau'ikan kariya masu daukar kwaya sun bayyana. A cikin shekarun 1930, masu ba da kariya irin wannan bututu suka bayyana. Masu kama walƙiya na silicon carbide sun bayyana a cikin shekarun 1950s. A shekarun 1970, masu ba da maganin ƙarfe sun bayyana. Ba za a yi amfani da masu kariya na wutar lantarki na zamani ba kawai don iyakance abubuwan tawaye da ke faruwa ta hanyar walƙiya a cikin tsarin wutar lantarki, har ma don iyakance abubuwan tawaye da ke faruwa ta tsarin aiki.
Surge
Surges shima ana kiranta surges. Kamar yadda sunan ya nuna, suna wuce gona da iri wanda ya wuce ƙarfin aiki na yau da kullun. A zahirin gaskiya, saurin yaduwa wani tashin hankali ne wanda yake faruwa a cikin 'yan miliyoyin kaɗan na sakan. Surges na iya lalacewa ta hanyar kayan aiki masu ƙarfi, gajeriyar da'irori, sauyawar wutar lantarki, ko manyan injuna. Kayayyakin da suke ɗauke da masu kama da hancin suna iya ɗaukar makamashi mai yawa kwatsam don kare kayan haɗi daga lalacewa.
Mai kama walƙiya
Kare Surge, wanda kuma ake kira mai walƙiya, na'urar lantarki ce wacce ke ba da kariya ta aminci ga kayan lantarki, kayan kida da layin sadarwa. Lokacin da lantarki kewaye ko layin sadarwa ba zato ba tsammani ya haifar da mafi girman halin yanzu ko ƙarfin lantarki saboda tsangwama na waje, mai kare mai kariyar na iya gudanar da shunshe a cikin ɗan gajeren lokaci, don haka guje wa lalacewar karuwa ga wasu kayan aiki a cikin kewaye.
Asali da halaye
Babban juyi na kariya, matsanancin matsi mai ƙarancin ƙarfi da lokacin amsa sauri;
Yi amfani da sabuwar fasahar buɗe wutar ta zamani don kauracewa wuta;
Use Yi amfani da da'irar kariya na zazzabi, kariya a cikin;
With Tare da nuna matsayin iko, yana nuna yanayin aiki mai kare lafiyar ne;
Tsari mai tsauri da tsayayyen aiki ingantacce.
Na'urar kariya ta Surge (Na'urar kariya ta Surge) ita ce na'urar da ake buƙata don kariya ta walƙiya na kayan lantarki. An kira shi sau da yawa
Mai ba da izini mai kariya mai aiki da tsarin zane
"An kame wanda aka kama din" ko kuma "overvoltage kariya" a matsayin SPD a Turanci. Matsayin mai kare mai saurin motsa jiki shine iyakance madaidaicin rikicewar hanzari wanda ke shiga cikin layin wuta da layin watsa sakonni zuwa kewayon wutar lantarki wanda kayan aiki ko tsarin zai iya jurewa, ko zuwa Hasken walƙiya na yanzu zuwa cikin ƙasa don kare kayan aiki mai kariya ko tsarin daga lalacewa.
Nau'in da tsari na SPD sun bambanta saboda dalilai daban-daban, amma yakamata ya haɗa da oneanƙantar da ƙarancin wutar lantarki mai lalacewa ta ƙarancin layi. Abubuwan haɗin da aka yi amfani da su a cikin masu kariya na jijiyoyin sune: ratayar fitarwa, bututun mai cike da mai, mai bambanci, diode da coke coke.
