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Nigute ushobora guhitamo uburinzi - ntukirengagize ibi!

Niba amakuru-yamakuru yingirakamaro cyane yibikoresho bya elegitoronike mu nyubako, ubushobozi bwabo bwo kwihanganira inkuba ni nto cyane kuruta ibikoresho byibanze byamashanyarazi, birakenewe gukoresha aumurinzikubungabunga ibicuruzwa bya elegitoroniki bisobanutse neza, noneho nigute ushobora guhitamo surge Bite kubarinda?
Mbere yo guhitamo aumurinzi. uyumunsi bisaba kwishyirirahokurinda, nkibipimo byinganda zigihugu nka GB 50057. Hasi, nzasobanura uburyo bwo guhitamo uburinzi bwa surge kuva murwego rwinshi.

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Kugirango tumenye neza ko sisitemu yo gutanga amashanyarazi hamwe na sisitemu yamakuru bitazangizwa n’umurabyo utaziguye, IEC 62305 isobanura neza ubusobanuro bw’ahantu harinda inkuba.

LPZ 0A: Guhura no gukubita inkuba, bitwara imirabyo yose hamwe numurabyo wa electromagnetic.

LPZ 0B: Kurinda inkuba itaziguye, uhanganye numurabyo wigice cyigice cyangwa cyatewe numuriro, hamwe numurabyo wuzuye.

LPZ 1: Kurinda inkuba itaziguye, imirabyo yaho cyangwa imirasire iterwa, hamwe nimirasire yumurabyo.Kwiyongera kugarukira gusa kumupaka no kurindwa nuburinzi, kandi umurima wa electromagnetique warinze ahantu hatagaragara.

LPZ 2… n: Bisa na LPZ 1, ariko hamwe no kurushaho kwiyongera kumashanyarazi ya electronique kugirango inkuba ikubite.Nka tegeko rusange ryo kurinda, ikintu gikingiwe kigomba gushyirwa muri zone ya LPZ imitungo ya electromagnetique ihuye nubushobozi bwo kwihanganira ibyangiritse kugirango igabanye ibyangiritse (kwangirika kwumubiri, kunanirwa kwamashanyarazi na elegitoronike bitewe na volvoltage, nibindi.微信图片_20220427140412

Uburyo bwo guhitamo ibikwiranyeumurinzi

Iyo bidashoboka gupima icyiciro cya 1 kirinda (Type1, Class1), Iimp≥12.5kA ikoreshwa muri rusange, nukuvuga, 12.5kA irahagije mubihe byinshi.Turasaba gukoresha Iimp = 25kA, kugirango habeho Ubushobozi bunini, ubuzima bwa serivisi buramba.

Kurwego rwa 2 rurinda (Type2, Class2), duhitamo gukoresha 20 / 40kA (Muri = 20kA, Imax = 40kA) kurinda amashanyarazi, kandi inkuba ikubise hejuru ya 40kA (nyuma ya LPZ1) ntibikunze kuboneka mubikorwa byihariye.Bya.Hariho ubwoko bwinshi bwabashinzwe kurinda icyiciro cya 2, harimo 40 / 80kA, 50 / 100kA, na 60 / 120kA birinda amashanyarazi.

Kuzuza ibisabwa byumutekano muri leta eshatu zikora

1. Gutegereza leta: ibiranga umusaza wa voltage, ubushuhe hamwe nubushyuhe bwo kurwanya ubushyuhe, gutwara neza imiyoboro ikingira ibyambu byombi;

2. Ikibazo cyo guhagarika ibintu: Usibye ingufu za sisitemu ikora voltage, umurinzi wa surge afite imbaraga zituruka kumashanyarazi;

3. TOV ikora: Guhagarika amashanyarazi yaumurinzini cyane cyane TOV ikora voltage nubu.Ibi bifitanye isano na gride nziza, amashanyarazi make yo gutanga no gukwirakwiza sisitemu yo gukwirakwiza amashanyarazi hamwe nuburyo bwo guhindagura imashini.Icyo ibi bisaba nubushobozi bwumurinzi wa surge kugirango ahangane na overvoltage yinzibacyuho, ni ukuvuga, umurinzi wa surge arashobora kwihanganira UT yerekanwe mubisanzwe.

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Icyemezo cyemewe mu gihugu no hanze yacyo

Mu kurangiza, ni ngombwa kandi guhitamo ibicuruzwa bifite ibyemezo byabandi-byemewe (nka CE, TUV, CAS, CQC, nibindi), no guhitamo ibigo bifite ibikoresho bya tekinike, ibyiza bya tekiniki, nibisubizo byumvikana.

Dukurikije TUV, CE, CQC hamwe n’ibindi byemezo mpuzamahanga, umurinzi wa surge afite tekinoloji nziza y’umusaruro n’ikoranabuhanga mu gutunganya mu rwego rwo kurinda inkuba, kandi ashobora kuzuza ibisabwa mu bihe bikabije nk’ubushyuhe bukabije, ubushyuhe bwinshi n’ahantu h’ibibaya, na Irashobora kwihanganira guhuza hamwe na overvoltage igihe kirekire.,KurindaBirashobora gutegekwa kubakiriya ahantu hihariye.

 


Igihe cyo kohereza: Apr-27-2022

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