描述
瞬流的特征
正弦波電路上電流與電壓的表現(xiàn)為瞬態(tài)畸變的瞬流,其主要表現(xiàn)形式為浪涌、尖峰、諧波等。英福特科技(美國(guó))公司能源顧問、美國(guó)著名能源理論家赫氏菲爾德博士認(rèn)為,這種畸變的主要特點(diǎn)是超高壓、超高速、超高頻次。
超高壓:指瞬流尖峰高出正常電壓幅值的2-50倍,最高可達(dá)10000伏。
超高速:指瞬流尖峰發(fā)生在極短的時(shí)間內(nèi),它可以在數(shù)萬(wàn)億(百萬(wàn)的二次冪)分之一秒內(nèi)完成從迸發(fā)到消失的過程。
超高頻次:指瞬流尖峰的活動(dòng)十分頻繁,可以說(shuō)瞬流無(wú)時(shí)不在、無(wú)處不在。英福特公司在美國(guó)硅谷最近的多項(xiàng)測(cè)試表明,一盞燈的開關(guān)、一個(gè)家用電器的啟動(dòng)、甚至電腦鍵盤或鼠標(biāo)的點(diǎn)擊,就有數(shù)十個(gè)瞬流產(chǎn)生,電壓高達(dá)500-1200伏。僅僅一只日光燈管簡(jiǎn)單的開關(guān)動(dòng)作,就有多達(dá)24個(gè)瞬流產(chǎn)生。
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