Ilizwe lam libe selona candelo lemveliso iphela lezinto zekhaya kunye neemveliso ze-elektroniki kunye nombane, kwaye i-vory yayo yokuthumela kwelinye ilizwe iyaqhubeka ikhula. Ngokudibeneyo nabathengi bemveliso yokhuseleko, ngokuhambelana nemithetho nemigaqo efanelekileyo yehlabathi, abavelisi baqhubeka nokuphucula imigangatho yokhuseleko lemveliso. Ukongeza, umenzi uthatha ingqalelo enkulu ekuhlolweni ngokukhuselekileyo kwemveliso ngaphambi kokuba ahambe umzi-mveliso. Okwangoku, ukhuseleko lwemisebenzi yombane yemveliso, mhlawumbi ukhuseleko ngokuchasene nokothusa umbane, yindawo ebaluleke kakhulu yokutshekisha okwangoku.
Ukwenzela ukuba uqonde umsebenzi wokufakelwa kwemveliso, ucwangciso lwemveliso, isakhiwo, kunye nezinto zokwenza i-inshontes ziyinkcazo okanye imigaqo. Ngokubanzi, abavelisi baya kusebenzisa iindlela ezahlukeneyo ukukhangela okanye kuvavanyo. Nangona kunjalo, kwiimveliso zombane, luhlobo lovavanyo ekufuneka lwenziwe, loo-disteric kunye novavanyo lweHipot okanye uvavanyo lwe-hipot, uvavanyo lombane, njl. Njl. Iimveliso zilungile okanye zimbi; Inokuboniswa luvavanyo lwamandla ombane.
Zininzi iintlobo zokumelana ne-voltage testers kwimarike kule mihla. Ngokubhekisele kubavelisi, indlela yokugcina utyalomali imali kunye neemfuno zabo zokuthenga eziluncedo kwi-testages testers testers testers aqonde ngakumbi.
1. Uhlobo lokuvavanywa kwe-voltage (unxibelelwano okanye i-DC)
Intambo yokuvelisa i-voltage vavanyo, ebizwa ngokuba yi-Procie (Veestie), ngokubhekisele kwiimveliso ezahlukeneyo, kukho unxibelelwano olohlukileyo kuvavanyo lwe-voltage kwaye i-DC iphinde ihlolwe i-voltage. Ngokucacileyo, unxibelelwano luye kuvavanywa nge-voltage kufuneka uqwalasele ukuba ngaba i-frequency ye-nerestage yovavanyo lwe-voltage iyahambelana nokusebenza kwento evavanyiweyo; Ke ngoko, ukukwazi ukutshintsha ngokuguquguqukayo khetha uhlobo lovavanyo lovavanyo kunye nokukhethwa kwe-vortage ye-voltage yonxibelelwano yimisebenzi esisiseko ye-voltage titer. .
2. Uvavanyo lwe-voltage
Ngokubanzi, isilinganiselo sokukhuphela kwe-voltage yonxibelelwano sinyamezele i-Tester Tester i-3KV, i-5KV ye-DC iyadinisa i-DC i-5kv, i-6KV okanye i-6kv okanye i-6kv. Umsebenzisi ukhetha njani isibindi esifanelekileyo se-voltage kwisicelo sakhe? Ngokweentlobo ezahlukeneyo zemveliso, i-voltage yovavanyo yemveliso inemigaqo ehambelanayo yokhuseleko. Umzekelo, kwi-IEC60335-1: 2001 (GB4706.1), ukuvavanywa kwe-voltagend ye-voltage kwiqondo lokusebenza linexabiso lovavanyo kwi-voltage. Kwi-IEC60950-1: 2001 (GB4943), ivolthi yovavanyo yeentlobo ezahlukeneyo zokufakelwa i-insultise ikwakho.
Ngokutsho kohlobo lwemveliso kunye neenkcazo ezihambelana nayo, i-voltage yovavanyo nayo yahlukile. Ngokuphathelele ukukhetha koMvelisi Jikelele we-5KV kunye ne-DC 6KV Tostrestems, ngokusisiseko kuyazihlangabezana neemfuno, kodwa malunga nemibutho ekhethekileyo yovavanyo, kunokuba yimfuneko ekuphenduleni iimveliso ezisebenzisa i-10KV kunye ne-20KV Unxibelelwano okanye i-DC. Ke ngoko, ukukwazi ukulawula ngenene i-voltage yemveliso ikwayimfuneko esisiseko ye-cestage titer.
I-3. Ixesha le-Quiz
Ngokutsho kwemveliso yemveliso, jikelele novavanyo lwe-voltagel fun lufuna imizuzwana engama-60 ngelo xesha. Oku kufuneka kwenziwe ngokungqongqo kwimibutho yokuhlola ngokhuseleko kunye neelebhu zefektri. Nangona kunjalo, uvavanyo olunjalo luphantle ukuba luphunyezwe kumgca wemveliso ngelo xesha. Eyona nto kugxilwe kuyo kukwinkqutyana yemveliso kunye nokusebenza kwemveliso, iimvavanyo zexesha elide azinakwanelisa iimfuno ezisebenzayo. Ngethamsanqa, imibutho emininzi ngoku iyavumela ukuba ukhetho linciphise ixesha lovavanyo kwaye lonyuse i-voltage yovavanyo. Ukongeza, eminye imigaqo entsha yokhuseleko nawo chaza ngokucacileyo ixesha lovavanyo. Umzekelo, kwiSihlomelo A se-IEC60335-1, IEC60950-1 kunye nolunye uvavanyo lwendlela (uvavanyo lwe-RE) 1Sec. Ke ngoko, ukumiselwa kwexesha lovavanyo kukwangumsebenzi ofunekayo we-test ye-voltage.
Okwesine, umsebenzi we-voltage up
Imigaqo emininzi yokhuseleko, njengeec60950-1, ichaza iimpawu zemveliso yovavanyo ngolu hlobo lulandelayo: IEC60333-1 Ingcaciso ngaphakathi: "Ekuqaleni kovavanyo, i-voltage esetyenzisiweyo ayizange idlule kwisiqingatha sexabiso le-voltage rhoqo, emva koko linyuke liye kwixabiso elipheleleyo." Olunye imigaqo-mthetho lukwaneemfuno ezifanayo, oko kukuthi, i-voltage ayinakusebenza ngequbuliso kwinto elinganiswa, kwaye kufuneka kubekho inkqubo yokunyuka kancinci. Nangona inkcazo ingayisebenzisi iimfuno ezineenkcukacha zokunyuka kancinci kwezenkcukacha, injongo yazo kukuthintela utshintsho ngequbuliso. Umbane ophezulu unokuyonakalisa umsebenzi wokufakelwa kwento elinganiswa.
Siyazi ukuba uvavanyo lwe-voltage bittage akufuneki lube luvavanyo olutshabalalisayo, kodwa indlela yokujonga iziphene zemveliso. Ke ngoko, i-tister ye-voltage ye-voltage kufuneka ibe nomsebenzi ohlisayo. Ewe kunjalo, ukuba ukungaqhelekanga kufunyanwa ngexesha lenkqubo yokunyuka kancinci, isixhobo kufuneka sikwazi ukuyeka kwangoko iziphumo, ukuze indibaniselwano yovavanyo yenza ukuba umsebenzi ucace up.
Ezintlanu, ukhetho lovavanyo lwangoku
Ukusuka kwezi mfuno zingasentla, sinokufumana oko, enyanisweni, kwiimfuno zeMigaqo yoKhuseleko malunga ne-Intestage ye-voltage titer ngokusisiseko inika iimfuno ezicacileyo. Nangona kunjalo, enye ingqwalaselo ekukhetheni i-test ye-voltage ye-voltage sisikali semilinganiselo yokuvuza yangoku. Ngaphambi kovavanyo, kuyimfuneko ukuseta i-voltage yovavanyo, ixesha lokuvavanywa kunye nokuzimisela (umda ophezulu wokuvuselelwa okuvunyiweyo). I-Ofisi ye-voltand yombane kwintengiso ithathe unxibelelwano lwangoku njengomzekelo. Owona mgangatho wobuncinci bokuvuza okwangoku unokulinganiswa phantse kwi-3ma ukuya kwi-100mma. Ewe, ukuphakama komgangatho wokuvuza ngokuvuza, ixabiso eliphezulu. Ewe kunjalo, apha siqwalasele okwethutyana imeko yokulinganisa ngoku kunye nesisombululo kwinqanaba elinye! Ke, njani ukukhetha isixhobo esikufaneleyo? Apha, sijonga ezinye iimpendulo kwinkcazo.
Ukusuka kolu luhlu lulandelayo, siyayibona indlela uvavanyo lwe-volumus ye-voltage lumiselwe kwinkcazo:
ISICWANGCISO SOKUGQIBELA Inkcazo yenkcazo yokuchonga ukwenzeka kokuqhekezwa
IEC60065: 2001 (GB8898)
"Iimfuneko zokhuseleko zevidiyo, ividiyo kunye nezixhobo ze-elektroniki ezifanayo" 10.3.2 ...... Ngexesha lovavanyo lombane, ukuba akukho kukhanya okanye izixhobo zokuqhekezwa, izixhobo zithathwa njengokufezekisa iimfuno.
IEC60335-1: 2001 (GB4706.1)
"Ukhuseleko lwekhaya kunye nezixhobo ezifanayo zombane Icandelo loku-1: Iimfuno Jikelele" 13.3 Ngexesha lokuvavanywa, kungabikho saphulelo.
IEC60950-1: 2001 (GB4943)
"Ukhuseleko lwezixhobo zeTekhnoloji yoLwazi" 5.2.1 Ngexesha lokuvavanywa, ukubutha akufuneki kuchithwe.
IEC60598-1: 1999 (GB7000.1)
"Iimfuneko zokhuseleko ngokubanzi kunye novavanyo lweZibane kunye nezibane" 10.2.2 ... ngexesha lovavanyo, akukho kukhanya okanye ukophula umthetho.
Itafile i
Ingabonwa kwiTheyibhile 1 eyoko, kwezi ngxelo, akukho datha icacileyo yolwazi ukufumanisa ukuba i-inshonter ayisebenzi. Ngamanye amagama, ayikuxeleli ukuba zingaphi iimveliso ezikhoyo ezikhoyo ezifanelekileyo okanye ezingafanelekanga. Ewe, kukho imithetho efanelekileyo malunga nomda ophezulu wokuzimisela okwangoku kunye neemfuno zexabiso le-queter ye-voltage kwinkcazo; Owona mda uphezulu wezinto ezenziweyo kukwenza umkhuseli wokulayisha (kwi-Hostand Wortuge) Umthetho we-testter titer) ubonise ukwenzeka kokuqhekeka okukhoyo, okwabizwa ngokuba luhambo lwangoku. Inkcazo yalo mda kwinkcazo eyahlukileyo ibonisiwe kwiTheyibhile 2.
Isihloko senkcazo ikakhulu
IEC60065: 2001 (GB8898)
"Iimfuneko zokhuseleko zevidiyo yevidiyo, ividiyo kunye nezixhobo ze-elektroniki ezifanayo" 10.3.2 ...... Xa iziphumo zangoku zingaphantsi kwe-100mma, isixhobo esingaphezulu akufuneki sinqunyulwe. I-Voltage yoVavanyo kufuneka ibonelelwe kukuhambisa amandla. Uncedo lwamandla kufuneka lucetywe ukuqinisekisa ukuba xa i-Voltage yoVavanyo ihlengahlengiswa kwinqanaba elihambelanayo kunye ne-terminal yemveliso ijikelezwe nje, iziphumo zangoku kufuneka zibe ngama-200M.
IEC60335-1: 2001 (GB4706.1)
"Ukhuseleko lwekhaya kunye nezixhobo ezifanayo zombane Icandelo loku-1: Iimfuno ngokubanzi" 13.3: Ukuhamba ngoku
<4000 IR = 100ma 200MA 200
≧ 4000 kwaye <10000 IR = 40MA 80MA
I-10000 ne-≦ 20000 IR = 20ma 40MA
IEC60950-1: 2001 (GB4943)
"Ukhuseleko lwezixhobo zetekhnoloji yolwazi" azange zichazwe ngokucacileyo
IEC60598-1: 1999 (GB7000.1002)
"Iimfuneko zokhuseleko ngokubanzi kunye novavanyo lwezibane kunye nezibane" 10.2.2 ...... xa iziphumo ezikhoyo zingaphantsi kwe-100mma, ukudlulisela phambili okungaphezulu akufuneki kuncitshiswe. Kwimidlalo ye-Voltage ephezulu esetyenziswe kuvavanyo, xa ivolomu yemveliso ihlengahlengiswa kwi-voltage ehambelanayo kwaye ikhutshiwe ijikelezwe, iziphumo zangoku ziyi-200m
Itheyibhile II
Ungabeka njani ixabiso elifanelekileyo lokuvuza okwangoku
Ukusuka kule migaqo yokhuseleko entlandlolo, abavelisi abaninzi baya kuba nemibuzo. Yimalini ekufuneka yenziwe ukuba inyuswe? Kwinqanaba lokuqala, sichaza ngokucacileyo ukuba umthamo we-tetrogege titer titer kufuneka ibe yi-500va. Ukuba i-voltage yovavanyo yi-5kv, emva koko ukuvuza okwangoku kufuneka kube yi-100mma. Ngoku kubonakala ngathi imfuno yesikhundla se-800va ukuya kwi-1000va ifuneka. Kodwa ngaba umvelisi wesicelo jikelele usenze le ntswelo? Kuba sisazi ukuba isikhundla esikhulu, ukuphakama kweendleko zezixhobo ezityalwe, kwaye kukwayingozi kakhulu kumqhubi. Ukukhethwa kwesixhobo kufuneka siqwalasele ngokupheleleyo ubudlelwane obuphathekayo phakathi kweemfuno zenkcazo kunye nodidi lwesixhobo.
Ngapha koko, ngexesha lenkqubo yokuvavanywa kwemveliso yabavelisi abaninzi, umda ophezulu wokuvuza ngokumiselweyo usebenzisa amaxabiso amanani amaninzi amiselweyo: njenge-5ma, i-20MA, kwi-40ma ukuya kwi-100ma ukuya kwi-100. Ngapha koko, amava asixelela ukuba amaxabiso alinganiswa nyani kunye neemfuno zale mida zikude kakhulu omnye komnye. Nangona kunjalo, kuyacetyiswa ukuba xa ukhetha i-test ye-voltage efanelekileyo, kungcono ukuqinisekisa ngokucaciswa kwemveliso.
Khetha ngokuchanekileyo kwakhona izixhobo zovavanyo lwe-voltage
Ngokubanzi, xa ukhetha i-tistter ye-voltage, kunokubakho impazamo yokwazi nokuqonda imigaqo yokhuseleko. Ngokwemigaqo yokhuseleko ngokubanzi, uhambo lwangoku yi-100mma, kunye neemfuno ezifutshane zesekethe zokufikelela kuma-200m. Ukuba ichazwe ngokuthe ngqo njenge-200m ebizwa ngokuba yi-200ME kwaye i-test ye-voltage titer lityala elikhulu. Njengoko sisazi, xa impatho iyolula i-voltage yi-5kv; Ukuba imveliso yangoku yi-100MA, i-test ye-voltage ye-voltage inomthamo wokukhuphela i-500va (5kv x 100ma). Xa iziphumo zangoku zingama-200ME, kufuneka iphindwe kabini isikhundla se-1000va. Inkcazo yempazamo enjalo iya kubangela umthwalo weendleko ekuthengweni kwezixhobo. Ukuba uhlahlo-lwabiwo mali lulinganiselwe; Ekuqaleni ukwazi ukuthenga izixhobo ezimbini, ngenxa yempazamo yengcaciso, enye kuphela inokuthengwa. Ke ngoko, koku kucaciswa ngasentla, inokufunyanwa ukuba umenzi ukhetha i-test ye-voltage. Nokuba ukhetha isixhobo esikhulu kunye nobubanzi bomgangatho obanzi buxhomekeke kwiimpawu zemveliso kunye neemfuno zenkcazo. Ukuba ukhetha isixhobo sababanzi kunye nezixhobo, iya kuba yinkunkuma enkulu kakhulu, imigaqo esisiseko kukuba ukuba kwanele, yeyona meko yoqoqosho.
Ukuququmbela
Ewe kunjalo, ngenxa yemeko yokuvavanywa kwemveliso yendlela, iziphumo zovavanyo zichaphazeleke kakhulu zizinto ezinje ngemibandela eyenziwe ngumntu nezesimongileyo, kwaye eziya kuyichaphazela ngokuthe ngqo iziphumo ezithe ngqo kwisiphene se Imveliso. Khetha i-cester elungileyo i-testter titer, qalisa la manqaku aphambili, kwaye uthembele ukuba uya kukwazi ukukhetha i-temstal tester ilungele iimveliso zenkampani yakho. Ngokuphathelele indlela yokuthintela nokuthoba kakubi, ikwayinxalenye ebalulekileyo yovavanyo loxinzelelo.
I-Post: Feb-06-2021
