USASEM 15AS2FBX

USASEM 15AS2FBX

USAFED-30C22KF

直流電機(jī)里邊固定有環(huán)狀永磁體，電流通過(guò)轉(zhuǎn)子上的線圈產(chǎn)生安培力，當(dāng)轉(zhuǎn)子上的線圈與磁場(chǎng)平行時(shí)，再繼續(xù)轉(zhuǎn)受到的磁場(chǎng)方向?qū)⒏淖?，因此此時(shí)轉(zhuǎn)子末端的電刷跟轉(zhuǎn)換片交替接觸，從而線圈上的電流方向也改變，產(chǎn)生的洛倫茲力方向不變，所以電機(jī)能保持一個(gè)方向轉(zhuǎn)動(dòng)。

　　直流發(fā)電機(jī)的工作原理就是把電樞線圈中感應(yīng)的交變電動(dòng)勢(shì)， 靠換向器配合電刷的換向作用，使之從電刷端引出時(shí)變?yōu)橹绷麟妱?dòng)勢(shì)的原理。

　　感應(yīng)電動(dòng)勢(shì)的方向按右手定則確定（磁感線指向手心，大拇指指向?qū)w運(yùn)動(dòng)方向，其他四指的指向就是導(dǎo)體中感應(yīng)電動(dòng)勢(shì)的方向）。

導(dǎo)體受力的方向用左手定則確定。這一對(duì)電磁力形成了作用于電樞一個(gè)力矩，這個(gè)力矩在旋轉(zhuǎn)電機(jī)里稱為電磁轉(zhuǎn)矩，轉(zhuǎn)矩的方向是逆時(shí)針?lè)较?，企圖使電樞逆時(shí)針?lè)较蜣D(zhuǎn)動(dòng)。如果此電磁轉(zhuǎn)矩能夠克服電樞上的阻轉(zhuǎn)矩（例如由摩擦引起的阻轉(zhuǎn)矩以及其它負(fù)載轉(zhuǎn)矩），電樞就能按逆時(shí)針?lè)较蛐D(zhuǎn)起來(lái)。

模擬電源：即變壓器電源，通過(guò)鐵芯、線圈來(lái)實(shí)現(xiàn)，線圈的匝數(shù)決定了兩端的電壓比。

聯(lián)系人【王工】

電話【059162182535】【15506917382】

e-mail：【583745937@qq.com】

QQ：【583745937】

主營(yíng)：品牌的PLC?、DCS?系統(tǒng)備件 模塊
〖⒈〗Allen-Bradley(美國(guó)AB)系列產(chǎn)品》
〖⒉〗Schneider(施耐德電氣)系列產(chǎn)品》
〖⒊〗General electric(通用電氣)系列產(chǎn)品》
〖⒋〗Westinghouse（美國(guó)西屋）系列產(chǎn)品》
〖⒌〗SIEMENS(西門(mén)子系列產(chǎn)品)》
〖⒍〗銷售ABB?Robots.?FANUC?Robots、YASKAWA?Robots、KUKA?Robots、Mitsubishi Robots、OTC Robots、Panasonic Robots、MOTOMAN Robots。
〖⒎〗estinghouse（西屋）：?OVATION系統(tǒng)、WDPF系統(tǒng)、MAX1000系統(tǒng)備件。
〖⒏〗Invensys Foxboro（?？怂共_）：I/A Series系統(tǒng)，FBM（現(xiàn)場(chǎng)輸入/輸出模塊）順序控制、梯形邏輯控制、事故追憶處理、數(shù)模轉(zhuǎn)換、輸入/輸出信號(hào)處理、數(shù)據(jù)通信及處理等。Invensys Triconex:?冗余容錯(cuò)控制系統(tǒng)、基于三重模件冗余（TMR）結(jié)構(gòu)的現(xiàn)代化的容錯(cuò)控制器。

音響器材功放中變壓器的應(yīng)用：大功率功放需要變壓器提供更多的功率輸出。

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USASEM 15AS2FBX

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USASEM 15AS2FBX

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