Ndakamboona madhora zviuru zana nemakumi mashanu emadhora ($150,000) eCNC mutsetsevhara nekuti$90 SPDyakanga yakavakwa makamuri matatu kubva ipapo. Chikanganiso chimwe chete ichocho chakakonzera vhiki rose rekurasikirwa kwekugadzirwauye takarasikirwa nemutengi watakanga tatsvaga kwemakore maviri.

Mugwaro iri, ndichagovana zvishanu zvakajairika SPDzvikanganiso zvekuisaizvo zvinogona kuderedza zvakanyanya mashandiro, uye tsanangura kuti ndinozvidzivirira sei muchirimwa changu. Chidzidzo chega chega chinobva mukukundikana chandakaona mu Germany, France, US, neIndiapaunenge uchipa mapaneru eLeikexing. Tevedzera mazano aya, uye uchapasa ongororo yako inotevera yemunda pakutanga.

Maitiro ekuita Sarudza Rudzi Rwakakodzera rweSPD

MuDetroit, ndakambosarudza chiyero cheSPD chemagetsi chisina kunaka, zvichiita kuti breaker igumbukepanguva yega yega dutu remvuraNekuda kweizvozvo, timu yekugadzirisanekukurumidza kurasikirwa nechivimbomumidziyo yangu.

Ini zvino ndinogara enzanisa neUc yeSPDkune voltage yesystem pamwe chete ne10%, uye sarudza iyo Kirasi yakakodzerakuti pave nenzvimbo yepaneru. Danho iri riri nyore rine kuderedzwa kwemafambiro ekusagadzikana neanopfuura 80%.

Maitiro ekuverenga mazita eIEC neUL

UL 1449 inotsanangura maSPD se Rudzi 1, Rudzi 2, uye Rudzi 3,

nepo IEC 61643-11 ichishandisa Kirasi I, Kirasi II, uye Kirasi III.

Masisitimu ese maviri emazita anotsanangura nzvimbo yeSPD mukati mechivako chemagetsi chechivako.

Ndinodhinda tafura iyi ndoinamira mukati memusuwo wega wega wepaneru.

Inomisa nharo yekuti "chinhu chimwe chete chinokodzera zvese" isati yatanga.

Misungo yemagetsi uye yekugadzirisa

Kune Sisitimu ye277Y/480V, SPD inofanira kuverengerwa kanenge 320 V Uc, kwete 275 V. Kushandisa chiyero chakaderera kunokonzera MOVs (metal-oxide varistors) dzinopisa zvakanyanya uye dzinokundikana mukati memwedzi.
Ndinonyatsoteererawo masisitimu e delta ane zvikamu zvitatuSarudza SPD nguva dzose iyo inotsanangura zvakajeka "pfungwa dzepamusoro"mupepa rayo redata; zvikasadaro, chikamu chepakati chinogona kudzvinyirira varistor zvakanyanya, zvichipfupisa hupenyu hwayo zvakanyanya.

Nyaya chaiyo kubva kuFrance

Anzvimbo yekuchengetera zvinhu zvinotonhora iri pedyo neLyonruzivo kurasikirwa nemacompressor akawanda muchirimo chega chega.
Dare racho raive ne Rudzi rwechipiri SPD, asi chinodyisa akapinda pamusoro ndokurova chivako chisati chasvika mita huru.
Takachitsiva ne Kirasi I + Kirasi II yakabatana SPDuye akawedzera a switch yekubatanidza yakasanganiswa.
Mushure mekuchinja uku, nguva yekushanda kwemidziyo yaderera kusvika pazero, uye mutengivakasaina chibvumirano chemakore matatu.

Chengetedza SPD Yako Iri Pedyo nePaneru Guru

Ndakamboisa SPD mune imwekabhineti yekoridhonekuti nyanzvi yemagetsi yakati pane "Hapana nzvimbo mubhodhi."
Iyo kumhanya kwetambo kwaive mamita makumi maviri nemashanu, zvichikonzeravoltage inoyerera pamutoro inosvika 1,800 V—kaviri kupfuura tendero yedhiraivha.
Zvino, ndinogara ndichitungamira SPD pfupi pane mita imweuye isa iyo unit pandiro yekumashure yakafanana neyokupwanya huru pese pazvinogoneka.
Mutemo uyu uri nyore unochengetedzavoltage yekubatanidza zvakachengeteka pasi pe800 V.

Sei kureba kwemutobvu kuchikunda maohms

Waya yega yega inoshanda semubatsiri.
Kune Kukwira kwe 8/20 µs, mita imwe yewaya ye 12 AWG inowedzera inenge 1 µH, kugadzira nezve 1 kV uye 1 kA/µs.
Tafura iri pazasi inoratidza kuwedzera kwemagetsi kunokonzerwa nehurefu hwewaya hwakawedzera:

Mita yega yega yekuwedzera yewayazvinodzivisa mukana weSPD yemhando yepamusoro.
Ndinogara ndichiyeuchidza timu yangu kuti: "Kana uchida mukana wekuti pave nechinhu chakareba, chinja pane kutamisa pane SPD."

Kugadziriswa kwemunda muIndiana

Pa chirimwa chepurasitiki, SPD yakaiswa pa mezzanine 30 tsoka kurekubva pabhodhi guru.
Takawedzera a chikamu chechipiri chiri mamita maviri chete kubva pachikamu chikuruuye vakatamisa SPD.
Nekuda kweizvozvo,voltage ye let-through yakadzikira kubva pa 1,500 V kusvika 680 Vuye Ma alarm eVFD akamira.

Dzivisa waya refu kana dzakamonyoroka dzeSPD

Ndakaona pakagadzirwa magetsi pakasiya mushandi wemagetsiwaya dzakamonerwa "dzekugadzirisa mune ramangwana".

Makoiri aya aishanda se zvitubu zvinodzidzisa, kuwedzera 2 µH, izvo zvakakonzera voltage yekukwira kusvika 1,400 V.

Gara uchicheka SPD inotungamira kune hurefu hupfupiizvo zvichiri kubvumira gonhi repaneru kuti rivharwe, uye rishandemutsetse uye kusapindirana kwakabatana padivi nepadivikudzima minda yemagetsi.
Dzivisamakombama akapinza, uye mabhurugwa akasungwa ne zip.

 Mitemo yekubatanidza waya yandinotevedzera

1. Bvisa chete kureba kwewaya kunodiwayerug.

2.Chengeta mutsetse, usina kwawakarerekera, uye pasi pakafanana; usambofa wakatenderera.  

3. Tongedza magumbo ese zvichienderana nezvinodiwa nemugadziri;makumbo akasununguka anogona arc panguva yekukwira kwemvura.

Bvunzo reTwist murabhoritari

Takavakagadziriro mbiri dzekuedza: imwe ine Waya dzakamonerwa dzine 30 cm, uye imwe ine tambo dzakatwasuka dze 20 cm.
Pa3 kA 8/20 µs, iyo setup yakakoshwa inotenderedza nepakati pe1,200 V, ukuwo marodhi akatwasuka anongobvumidzwa 680 V chete.
Kuratidza mufananidzo uyu kune vanogadzira magetsi vatsva kunogadzirisa gakava nekukurumidza,zvinobudirira kupfuura mashoko.

 Iva nechokwadi chekuti SPD Yakamira Zvakanaka

SPD Kusungirirwa padanda remapuranga rakapendwa hakubatsiri zvachose.
Pane imwe nzvimbo muMumbai, ndakayera 4 Ohmkurambapakati peSPD nenyika, izvo kushanda kwakaderera zvakanyanya.
Shandisa nguva dzose chisungo chemhangura che6 AWG chakatsaurirwakubva paSPD ground bar kuenda ku main earthing terminal, uye simbisa kuti impedance iri pasi pe0.1 Ωine micro-ohmmeter.
Kupedza maminetsi mashanu ekuwedzera pano kunogona kudzivirira kudzoserwa kwemari yakawanda.

Rondedzero yehurongwa hwemagetsi epasi

Kana chipi zvacho chikatadza kuyerwa, isa imwe tsvimbo kana rin'i yekudzika usati wavhara jira racho.
Kupa mushumo kumutengi kunoita kuti vavimbe nekuiswa kwawo.

 Chidzidzo chenyaya: Berlin

Imwe nzvimbo yedata yakapasa bvunzo yehipot asi yakakundikana bvunzo ye surge.
Chigadziko cheSPD chakanga chakaiswa papendi yakaputirwa neupfu.
Mushure mekuitsiva ne star washer uye kuigadzirisazve, bvunzo yekukwira kwemvura yakabuda uye muongorori wemabhuku akabvumidza sisitimu iyi mangwanani akatevera.

Tarisa Mamiriro eSPD Nguva Dzose

"Gara ukanganwe" ipfungwa ine njodzi.
Pane imwe nzvimbo muVietnam, PLC yakakundikana nekuti SPD yakanga yatsvuka makore maviri apfuura uye haina kumboongororwa.

Ita ongororo yemamiriro e LED kota yega yega uye nyora kuverenga kwacho mupepa rekuchengetedza rakavakirwa mugore.
Kana chiratidzo chisiri chegirini, chinja module yacho nekukasika.

 Zano rekutarisa uri kure

MaSPD mazhinji ane mukana wekuti vanhu vabatane pasina dambudziko.
Batanidza nepaneru yeSCADA kuitira kuti vashandi vagamuchire yambiro yeemail dutu risati rasvika.

 Kuenzanisa mutengo: kuchinjana kwemodule vs. kutadza kwemidziyo

Nhamba idzi dzinopa zvikonzero zvakajeka zvebhajeti regore negore remamodules ekuwedzera.

Mhedziso

Ndakarasikirwa nemari pane zvese zvakakanganiswa pamusoro apa kusvika ndanyora mitemo iyi mishanu pakadhi ndokuinamira mukati mengowani yangu.

Dhinda, tevera, uye SPD yako inotevera ichadzivirira mutoro, kwete garandi chete.