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panyingxiang新蟲 (初入文壇)
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[求助]
求翻譯一段話
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| 介電譜時(shí)域測試技術(shù)主要是極化去極化電流法(PDC)與回復(fù)電壓法(RVM)[1-3]。其中PDC測試環(huán)節(jié)簡單,而RVM測試復(fù)雜。通常的介質(zhì)回復(fù)電壓多由回復(fù)電壓儀測量得出,然而由于受到回復(fù)電壓儀輸入電流的限制,使傳統(tǒng)的回復(fù)電壓表僅能夠測量絕緣電阻不太高的油浸電力變壓器的油紙絕緣體系[4]。對于絕緣性能更加優(yōu)異的電力電纜交聯(lián)聚乙烯介質(zhì)等絕緣體系,則需要有更高輸入阻抗的回復(fù)電壓表才能夠?qū)崿F(xiàn)。 |
木蟲 (小有名氣)
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介電譜時(shí)域測試技術(shù)主要是極化去極化電流法(PDC)與回復(fù)電壓法(RVM)[1-3]。其中PDC測試環(huán)節(jié)簡單,而RVM測試復(fù)雜。通常的介質(zhì)回復(fù)電壓多由回復(fù)電壓儀測量得出,然而由于受到回復(fù)電壓儀輸入電流的限制,使傳統(tǒng)的回復(fù)電壓表僅能夠測量絕緣電阻不太高的油浸電力變壓器的油紙絕緣體系[4]。對于絕緣性能更加優(yōu)異的電力電纜交聯(lián)聚乙烯介質(zhì)等絕緣體系,則需要有更高輸入阻抗的回復(fù)電壓表才能夠?qū)崿F(xiàn)。 Time domain dielectric spertroscopy testing technololy mainly contains Polarization and Depolarization Current(PDC) and Recovery Voltage Method(RVM). The testing procedure of PDC is simple, and that of RVM is complex. Usually, the recovery voltage of dielectric is measured by recovery voltage meter, however, due to the limitation of the input current, the traditional recovery voltage meter can only measure the oil-paper insulation system of oil immersed power transformer, whose insulation resistance shall not be too high. For those insulation system with more excellent insulation performance, such as the cross-linked power-cable polyethylene, it requires s a recovery voltage meter with higher input impedence. |
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