Nigute Wahitamo Igikoresho Gikwiye Gikingira Gutera Indwara mu Gihe Kimwe?

Nigute Wahitamo Igikoresho Gikwiye Gikingira Gutera Indwara mu Gihe Kimwe?

Nakaranga imashini ebyiri za kawa n'icyuma gipima agaciro ka CNC cya $ 3,800 mbere yuko nemera ko ntari nzi uko umuvuduko w'amazi umeze.

Nahisemo SPD y’icyiciro kimwe ngenzura imibare itatu: umuyoboro wa surge current max (kA), urwego rwo kurinda voltage (VPR), n’igipimo cya short-circuit (SCCR). Huza iyo mibare n’ingano y’umuvuduko wawe n’uburyo umutwaro wawe uhagaze, maze igikoresho kizamara igihe kirekire kurusha ibikoresho birinda.

Komeza usome niba ushaka akayunguruzo k'iminota itatu nkoresha kugira ngo ntazongera gutakaza umwanya kuri dosiye itari yo.

Urasobanukirwa imbaraga z'icyiciro kimwe?

Nahoraga ntekereza ko "igice kimwe" bivuze insinga imwe kugeza ubwo navushije fuse maze mbona insinga ebyiri hamwe n'ubutaka muri panel.

Ingufu z'amashanyarazi zikoresha ikoranabuhanga rya "single-phase" ni serivisi ya 230 V cyangwa 120 V ifite insinga ebyiri igaburira amazu n'amaduka mato. Ingufu imwe ishyushye, imwe idafite aho ibogamiye, hamwe n'umuraba usubiramo utanga ingufu zose ukeneye ku matara, mudasobwa zigendanwa, n'ibikoresho byo gusimbuza.

Impamvu imiterere y'umuraba ari ingenzi

Umuraba wa sine ugera ku murambararo wa 325 V muri sisitemu ya 230 V. Umuraba uzamuka hejuru y'uwo murambararo kandi ushobora kugera kuri 600 V mu masegonda make. Niba SPD yawe ifite amanota ya 275 V RMS, izashya kare kandi ikagabanya hejuru y'umuraba. Iyo ufashe moderi ya 420 V kuko ihendutse, umurambararo uzahita winjira muri VFD yawe. Mfite oscilloscope mu gasanduku kanjye k'ibikoresho; kureba rimwe ku muraba ucagaguye bimbwira niba nahisemo icyiciro gikwiye cy'amashanyarazi.

Imbonerahamwe ya 1: Voltage isanzwe y'icyiciro kimwe ugereranije n'icyiciro cya SPD cy'voltage gisabwa

Uburinzi bwo kuzamuka mu cyiciro kimwe ni iki?

Nabwiye umuguzi wanjye ko imashini irinda umuriro ari agakoresho k'amashanyarazi gakomeye; yanyoherereje fagitire yo gusana imashini ikata umuriro hakoreshejwe laser.

Igikoresho cyo kurinda isuri y’ingufu gifite icyiciro kimwe ni igice gito gishyirwa iruhande rw’agasanduku kawe k’imashini. Imbere, metal-oxide varistors (MOVs) cyangwa imiyoboro ya gaze ijyana umuriro urenze urugero ku butaka mu masegonda 25, bigatuma imizigo yawe iguma munsi y’imbaraga zayo zo kwihanganira.

Ibice ushobora kubona

Fungura agasanduku ka pulasitiki maze uhasanga disiki eshatu zisa n'ibiceri. Izo ni MOV. Fuse y'ubushyuhe iri iruhande rwa buri disiki; iyo MOV ishyushye cyane, fuse irafunguka maze LED y'icyatsi kibisi irazimya. Nari narafunguye igice cyangiritse; insinga ya fuse yari yashize kandi MOV yari yahindutse umukara. Iryo genzura ryatumye ntashyiramo icyuma gikingira cyapfuye.

Imbonerahamwe ya 2: Ibice by'imbere n'icyabihitanye

Igikoresho cyo kurinda isuri mu cyiciro kimwe (Single Phase SPD) gikora gite?

Narebye 40 kA ikubita kuri logger yanjye; voltage yo ku isoko yazamutseho 90 V aho kuba 1.200 V.

SPD iri hagati y’umurongo utagira umurongo n’umurongo w’ubutaka. Iyo umuvuduko ugeze, ibice byayo by’imbere bihinduka imiterere y’umuvuduko muto mu masegonda make. Umuvuduko w’umuvuduko unyura muri SPD, ntabwo unyura muri printer yawe, kandi voltage yo gufunga iguma munsi y’umubare w’ibyangiritse by’umutwaro w’ibanga.

Umugozi wo gufunga

Buri MOV ifite umurongo ugaragaza voltage ugereranije n'amashanyarazi. Kuri 1 mA MOV itangira gukora; kuri 1 kA voltage iba iri hejuru ya 50%. Nshyira uwo murongo hejuru y'imiterere ya CNC yanjye. Iyo CNC ipfuye kuri 800 V maze MOV ikagera kuri 820 V kuri 3 kA, nimukira kuri MOV nini cyangwa nkongeraho ikindi cyiciro. Sinigeze nizera catalogue yonyine; nshushanya imirongo ibiri nkareba aho iherereye.

Ihame ry'imikorere ry'uburinzi bw'ingufu mu cyiciro kimwe (Single Phase Surge Protection)?

Nahoraga ntekereza ko "ihame ry'imikorere" ari ukwibeshya mu kwamamaza kugeza ubwo nabonye ikibatsi cyanyuze mu gice cy'inyuma cy'ikigo.

Ihame ry'imikorere ni ugusenyuka kw'impedansi byoroshye. Mu gihe cy'amashanyarazi asanzwe, SPD isa n'uruziga rufunguye. Iyo umuvuduko wongereye ingufu nyinshi, ibinyampeke bya MOV birasenyuka, bigakora umuvuduko mugufi, hanyuma bigatwara ingufu ku butaka. Nyuma y'uko umuvuduko urangiye, MOV irasubira inyuma igategereza ikindi gitero.

Gusangira ingufu imbere muri iyo mashini

Ingufu ya 20 kA ntigwa kuri MOV imwe. Iyi mashini ikoresha MOV eshatu icyarimwe bityo buri disiki irya hafi kimwe cya gatatu. Iyo MOV imwe isaza vuba, ubushobozi bwayo bwo kuyirwanya buragabanuka maze ikiba umuriro mwinshi, igashyuha, kandi fuse y'ubushyuhe ikayica. Urwo rupfu rwiza rutuma izindi ebyiri zikomeza kubaho. Buri gihe ngenzura kode z'amatariki; MOV zo mu kigero kimwe ku gipimo kimwe, bityo ibikoresho byanjye byo gusimbuza bifite ibimenyetso by'amatariki bisa.

Nigute washyiraho "Single Phase Surge Protector"?

Nigeze gushyira SPD inyuma; LED yagumye ari icyatsi ariko uburinzi bwayo bwarazimiye nk'umwotsi.

Zimya icyuma gikuru cyo gukata. Huza umurongo wa SPD ku ruhande rw'umutwaro w'icyuma gikata, udafite aho ubogamiye ku ruhande rw'icyuma, n'ubutaka ku ruhande rw'ubutaka. Ugomba gufata imiyoboro iri munsi ya cm 30, uyizungurure hamwe, hanyuma ushyireho torque kuri 2 Nm. Funga agace k'icyuma, kacane, kandi wemeze ko amatara ya LED y'icyatsi kibisi adahindagurika.

Ikizamini cy'igihe cy'uburambe nkora kuri buri kazi

Nkoresha generator y'ibimenyetso ya 1 MHz hanyuma ngafata insinga ya cm 10 ku miyoboro ya SPD. Kugabanuka kwa voltage kwikuba kabiri iyo nongeyeho indi cm 10. Icyo kizamini cyanyeretse ko cm 30 ari yo ntarengwa ikomeye; buri santimetero y'inyongera yongeraho hafi 40 V ku gice cyoroshye. Iyo agace kuzuyemo abantu benshi, nshyira SPD ku muryango maze nkoresheje umuringa ukozwe mu buryo bwa "braided frame"; ishusho y'urutare igabanya inductance na kimwe cya kabiri.

Gukoresha Ingamba zo Kurinda Ingaruka mu Gihe Gito mu Bucuruzi Buto?

Iduka ry'imigati ry'umukiriya wanjye ryatakaje amatanura atatu mu gihe cy'umuyaga umwe; umukozi w'ubwishingizi yashinje "amahirwe mabi" kugeza ubwo twamweretse SPD yashongeshejwe twayisubije ku munsi ukurikiyeho.

SPD zo mu cyiciro kimwe zirinda ububiko bw'amafaranga, imashini za espresso, router za CNC, na CCTV mu maduka mato. Zishyirwa mu gipangu cya 1U cyangwa zimanitse ku kirahuri cya DIN iruhande rwa metero. Imashini imwe ya 20 kA ituma umurongo wose wo guteka ukomeza gukora mu gihe cy'inkuba.

Amayeri yo gushyira ibintu mu matsinda nkoresha

Ndashyira buri gikoresho munsi ya 16 A hanyuma nkagishyiraho ikimenyetso cya "sensitive" cyangwa "solid". Imitwaro ikomeye nka PLC isangiye SPD imwe na 550 V VPR. Imitwaro ikomeye nk'ibishyushya iri inyuma ya SPD ya kabiri ifite 650 V VPR. Gutandukanya bigabanya ikiguzi kuko moderi ya 650 V ihendutseho 30%. Urutonde rwanjye rwereka nyiri ikigega azigama $210 kandi igihe gito cyo kuyikoresha mu ruganda rwacu rwa Wenzhou.

Amategeko yo Gushyiramo Ibikoresho Ugomba Kugenderaho?

Naciye impande rimwe maze nkoresha indobo za cm 50 kuko umugozi wa DIN wasaga neza kurushaho; umugenzuzi yantumye ndawucamo.

Kurikiza aya mategeko ane: shyira amashami munsi ya cm 30, koresha umuringa wa mm² 16, ongeramo agace ka 32 A gashyiramo icyuma hejuru, hanyuma ushyiremo SPD nyuma ya metero ariko mbere ya RCD. Ukurikize amategeko yo mu gace utuyemo: mu Budage koresha VDE 0100-443, mu Bwongereza kurikiza BS 7671 534.

Imbonerahamwe ya 3: Urutonde rwihuse nshyikiriza abakozi banjye

Umwanzuro

Hitamo imibare, kata ibyuma, shyiramo ingufu, maze SPD yawe y'icyiciro kimwe izapfa kugira ngo imashini zawe zitazapfa.

Nyoherereza ubutumwa kuri caroline@leikexing.com kugira ngo ubone ikiguzi cy'urupapuro rumwe hanyuma tuzakohereza icyiciro cyawe cyagenewe uhereye i Wenzhou mu minsi 15.