描述

渦流現(xiàn)象—— 如線圈套在一個(gè)整塊的鐵芯上，鐵芯可以看成是由許多閉合的鐵絲組成的，閉合鐵絲所形成的平面與磁通方向垂直。每一根閉合鐵絲都可以看成一個(gè)閉合的導(dǎo)電回路。當(dāng)線圈中通過交變電流時(shí)，穿過閉合鐵絲的磁通不斷變化，于是在每個(gè)鐵絲中都產(chǎn)生感應(yīng)電動(dòng)勢并引起感應(yīng)電流。這樣，在整個(gè)鐵芯中，就形成一圈圈環(huán)繞鐵芯軸線流動(dòng)的感應(yīng)電流，就好象水中的旋渦一樣。這種在鐵芯中產(chǎn)生的感應(yīng)電流叫做渦流。

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主營：世界知名品牌的PLC、DCS系統(tǒng)備件模塊

①Allen-Bradley(美國AB)系列產(chǎn)品》

②Schneider(施耐德電氣)系列產(chǎn)品》

③General electric(通用電氣)系列產(chǎn)品》

④Westinghouse（美國西屋）系列產(chǎn)品》

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結(jié)構(gòu)的zui現(xiàn)代化的容錯(cuò)控制器。

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