Gabaɗaya, jikin mutum zai iya jin ƙimar motsa jiki na yanzu game da 1 ma. Lokacin da jikin mutum ya wuce 5 ~ 20oma, tsokoki zai kwangila da murƙushe, saboda mutum ba zai rabu da waya ba. Samfuran tsananin wutar lantarki da lokaci wanda yawancin ƙasashe suka yarda da su shine 300 OLMS
Za'a iya samun darajar lafiya mai aminci daga amsawar jikin mutum zuwa na yanzu da kuma juriya na jikin mutum: darajar ƙarfin lantarki a cikin ƙasarmu gabaɗaya 12 ~ 50v
Tsayayya da wutar lantarki, leakage na yanzu da amincin wutar EMI tace:
Matsa lamba da aminci
1. Idan CX Capacitor a cikin tace ya rushe, ya yi daidai da gajeren da'irar AC Grid, aƙalla yana haifar da kayan aikin don dakatar da aiki; Idan ctar carcacoror ya rushe,
Ya yi daidai da ƙara ƙarfin lantarki a cikin AC Power Grid zuwa casing na kayan aikin, wanda ke razana lafiyar ku kai tsaye kuma yana shafar kayan aikin tare da ƙwayoyin ƙarfe.
Tsaro ko amincin kayan aiki, sau da yawa suna haifar da ƙona wasu da'irori ko kayan aiki.
2. Wasu ka'idojin aminci na kasa da kasa sune kamar haka:
Jamus Vde0565.2 Gwajin Voltage.2 P, n zuwa e 1.5kv / 50hz 1 min
Switzerland switz115 gwajin Voldage (AC) P, n zuwa e 2 * UN + 1.5kV / 50HZ 1 min
Test Ul1283 Babban Ginin Vol12 (AC) P, n zuwa e 1.0kv / 60hz 1 min
Jamus Vde0565.2 Gwajin Voltage.2 (DC) P zuwa N 4.3 * UN 1 min
Switzerland switzerland switz115 (DC) P zuwa N 4.3 * UN 1 min
US UL1283 Babban gwajin Vol12 (DC) P zuwa N 1.414kV 1 minti
kwatanta:
(1) dalilin amfani da DC voltage a cikin PN yana tsayayya da gwajin wutar lantarki shine cewa cre ƙarfin yana da girma. Idan ana amfani da gwajin AC, ƙarfin na yanzu da ke da tsayayya da wutar lantarki mai ƙarfi
Yana da girma sosai, yana haifar da babban girma da tsada sosai; Wannan matsalar ba ta wanzu lokacin da ake amfani da DC. Amma don sauya irin aikin da ke aiki a cikin daidai gwargwadon ƙarfin DC
Misali, matsakaicin matsakaicin aiki dutsen aiki shine 250V (AC) = 250 * 2 * 1.414V (DC), don haka ƙayyadadden aminci na UL1283
1414V (DC) = 707 * 2.
(2) The hadadden yanayin gwajin dutsen da ke cikin littafin 'yan wasan da aka shahara a duniya:
Kamfanin Korcom (Amurka) P, n zuwa e: 2250v (DC) na minti daya p zuwa N: 1450v (DC) na minti daya
Schaffner (Switzerland) p, n zuwa e: 2000v (DC) na minti daya p zuwa n: banda
Masu ƙirar ƙwararrun na gida gabaɗaya suna nufin ƙa'idodin aminci na Jamusanci ko ƙa'idodin Tsaro na Amurka
Yanke na yanzu da aminci
Capacitor na gama gari yana daɗaɗɗen kowane yanki na kewaye yana da ƙarshen ƙarshen ɗaya a cikin yanayin ƙarfe. Daga ra'ayi na Rikicin lantarki, ƙarfe na tace yana da
1/2 na wutar lantarki, don haka daga ra'ayi na aminci, tsinkaye na yanzu (leakage a halin yanzu) daga matattara zuwa ƙasa ta hanyar Hyama ya zama kaɗan.
zai lalata amincin mutum.
Ka'idojin aminci don yin leakage na yanzu a cikin wasu manyan ƙasashe na masana'antu a duniya sune kamar haka:
SAURARA: 1. Lamuni na yanzu yana daidai gwargwado da ƙarfin ƙarfin lantarki da midi mita. Lamuni na yanzu na tace 400Hz Grid shine sau 8 cewa na 50Hz Grid (watau
Murmushi da ke haduwa da ka'idojin aminci na iya biyan ka'idojin tsaro a cikin mitarfin lantarki mafi girma)
2. Lokacin da ake bincika lalacewa na halin yanzu, kewaya mai nauyi wanda ya dace da ka'idodin kasa da kasa (kamar yadda aka nuna a cikin adadi a ƙasa). Lokacin auna, karar ƙarfe ba zai iya ba
Grounded, dole ne a dakatar dashi.
Zabe zane na zane na gwajin zagayowar gwaji na yanzu:
Aikace-aikace
1: Kayan kayan gida - suna tsayayya da gwajin lantarki na firiji:
Gwada yin tsayayya da ƙarfin lantarki tsakanin ikon samar da wutar lantarki da ƙasa. Yanayin gwaji: AC1500V, 60s. Sakamakon gwajin: Babu Rage da Flashover. Kariyar tsaro: Mai aiki da ke sanya insulating safofin hannu, an dage da aikin aiki da insulating pads, kuma kayan aikin an sanya shi yadda ya kamata. Ingancin mai aiki: Gudanar da horo na aikatawa, masu ƙwarewa a cikin kayan aikin aiki, kuma suna iya gano asali da kuma magance gazawar kayan aiki.
Kayan kida:RK2670 / 71/72/74 jerin, Shirin sarrafawar RK7100 / Rk9910 / 20 jerin.
Dalilai na gwaji
Sanya wutar samar da kayan aikin dogaro da kayan aikin, kuma gwada da tsayayya da halayen kayan lantarki.
Tsarin gwaji
1.Connect babban fitarwa na kayan aikin zuwa tashar shigar da wuta ta firiji (LN an haɗa tare) zuwa yankin wutar. A ƙasa tashar (dawo) na kayan aiki an haɗa shi da tashar firiji.
2. An saita ƙararrawa na yanzu bisa ga matsayin mai amfani. Saita lokaci zuwa 60s.
3. Fara kayan aiki, daidaita wutar lantarki don nuna 1.5kv, da karanta darajar ta yanzu. A yayin aiwatar da gwajin, kayan aikin bashi da ƙararrawa mai yawa, yana nuna cewa yana tsayayya da wutar lantarki ta wuce. Idan ƙararrawa yakan faru, an yi hukunci da samfurin da ba a daidaita ba.
Matakan kariya
Bayan an kammala gwajin, dole ne a kashe ikon kayan aikin kafin samfurin kuma layin gwajin za'a iya ɗauka don gujewa mugun haɗari da hatsarori.
2.Jiki na yanzu gwajin kayan aikin gida
Yanayin gwaji: A kan 1.06 sau na aikin ƙarfin lantarki, gwada haƙƙin lalacewa na yanzu tsakanin hanyar samar da wutar lantarki da kariya ta cibiyar sadarwa. Dalilin gwaji: ko da aka fallasa sassan ƙarfe na casing suna da igiyoyin da ba su dace ba lokacin da kayan aikin lantarki a ƙarƙashin gwaji yake aiki.
Sakamakon gwaji: Karanta ƙimar na yanzu, ko ya wuce ƙimar, kayan aikin zai ƙararrawa tare da sauti da haske. Bayani na aminci: Yayin gwajin, ana iya tuhumar kayan aikin kuma Do Dutsen, kuma an haramta shi sosai tare da hanzarta hana wutar lantarki.
Model na zaɓi:Jerin rk2675 jerin, Rk9950abubuwa a jere, bisa ga ikon samfurin gwajin. Lokaci guda ba na tilas ne daga 500va-5000va, da kashi uku baRk267Wt, wanda ke da ayyuka biyu na kashi uku da guda.
Matakan gwada:
1: Ana amfani da kayan aikin, kuma samar da wutar lantarki ana dogara.
2: Kunna kunna wutar lantarki na kayan aikin, bayyanar da Window taga zai haskaka. Latsa maɓallin gwaji / Saiti-Saiti, zaɓi kewayon lokacin 2ma / 20ma, daidaita pre-adj potenen -imoometer. Sai ka fito da maɓallin saiti / maɓallin gwaji don gwaji.
3: Haɗa samfurin lantarki ƙarƙashin gwaji tare da kayan aiki, fara kayan aikin ƙwallon waje, kuma bayan karanta kayan aikin na yau da kullun, sake saita kayan aiki da daidaitawa da ƙarfin lantarki zuwa mafi karancin.
SAURARA: A lokacin gwajin, kar a taɓa kwasfa da kayan aikin da Dut.
Uku: gwajin juriya
Yanayin gwaji: A halin yanzu, jure ƙasa da Milliohms 100. Gwada kan-juriya tsakanin ƙasa na shigarwar wutar da kuma abubuwan ƙarfe da aka fallasa su.
Kayan kida:Jerin rk2678xm jerin (na yau da kullun 30/32/70 zaɓi zaɓi),Rk7305 jerin abubuwan sarrafawa,Rk9930 Jerin (yanzu 30/40/60 Ampere zaɓi), jerin shirye-shirye tare da fitarwa siginar PLC, RS485 Sadarwar Sadarwa.
matakai na gwaji
1: fulogi a cikin igiyar wutan kayan aikin don tabbatar da cewa kayan aikin dogara ne.
2: Kunna wuta ka shirya iyakar juriya na ƙararrawa.
3: Haɗa waya ta gwajin zuwa tashar kayan aiki bisa ga launi da kauri (lokacin farin ciki waya an haɗa da babban post, kuma waya mai kauri an haɗa da karamin post).
4: Shirye-shiryen gwajin sun haɗa da ƙasa na na'urar a ƙarƙashin gwaji) da kuma ƙasa mai kariya (ba a kunna sassan jikin ba), in ba haka ba a kunna gwajin. Ba za a iya daidaita gwaji a halin yanzu ba.
5: Fara kayan aiki (danna Fara don farawa), hasken kayan aiki yana kunne, yana buƙatar jerin abubuwan da ake buƙata na yanzu (shirye-shiryen sarrafawa na yau da kullun don gwajin, kuma karanta darajar tsadar.
6: Idan gwajin ya kasa, kayan aikin zai sami ƙararrawa mai ban tsoro (sauti da haske), kuma jerin abubuwan da ke tattare da hasken wuta da sauti mai haske da kuma ƙararrawa mai haske.
Lokaci: Oct-19-2022
