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新聞:南通傳感器NBB20-U1-E2聯(lián)系電話
發(fā)布者:SHITATE1987  發(fā)布時(shí)間:2020-06-03 19:00:23
施塔特(廈門)傳感科技有限公司是國內(nèi)先進(jìn)的工業(yè)離散傳感器商之一,
致力于在工業(yè)自動(dòng)化控制及智能制造領(lǐng)域?yàn)榭蛻艟哂懈偁幜Φ膫鞲挟a(chǎn)品及測控系統(tǒng)解決方案,為客戶高端定制化傳感器產(chǎn)品及物聯(lián)網(wǎng)系統(tǒng)集成解決方案。
:南通傳感器NBB20-U1-E2聯(lián)系電話
:南通傳感器NBB20-U1-E2聯(lián)系電話
頂桿數(shù)目:02
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頂桿數(shù)目:03
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頂桿數(shù)目:04
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頂桿數(shù)目:05
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頂桿數(shù)目:06
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頂桿數(shù)目:08
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頂桿數(shù)目:10
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頂桿數(shù)目:12
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頂桿數(shù)目:14
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:南通傳感器NBB20-U1-E2聯(lián)系電話
:南通傳感器NBB20-U1-E2聯(lián)系電話
頂桿數(shù)目:16
BNS 819-D16-D12-100-10-FD-S90
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BNS 819-D16-E12-100-10-FE-S90
:南通傳感器NBB20-U1-E2聯(lián)系電話
:南通傳感器NBB20-U1-E2聯(lián)系電話TN-C系統(tǒng)TN-C系統(tǒng)在TN-C接地系統(tǒng)中,地線和中性線是合二為一的。PEN線就是我們熟知的零線。設(shè)備的外殼與PEN線相連。所以所謂的外殼接地線,其實(shí)就是保護(hù)接零。當(dāng)系統(tǒng)中出現(xiàn)了嚴(yán)重的三相不平衡,即IIb和Ic不相等,則有:Ia+Ib+Ic不等于0,PEN會(huì)出現(xiàn)較大的電流。有人會(huì)問那這樣三相不平衡,家中電器外殼與PEN線相連不就有電壓了嗎?在TN-C接地系統(tǒng)中,變壓器中性點(diǎn)出口處直接接地,相當(dāng)于把零線電壓給強(qiáng)制性地保持在零電位。
來源:18059858057
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