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      當(dāng)前位置: 首頁 » 企業(yè)資訊 » 電子 » 正文

      各種電機原理動態(tài)為什么_根本停不下來

      放大字體  縮小字體 發(fā)布日期:2022-06-15 18:08:38    作者:江云    瀏覽次數(shù):68
      導(dǎo)讀

      電機(俗稱"馬達")是指依據(jù)電磁感應(yīng)定律實現(xiàn)電能轉(zhuǎn)換或傳遞得一種電磁裝置。它得主要作用是產(chǎn)生驅(qū)動轉(zhuǎn)矩,作為用電器或各種機械得動力源。A motor (commonly known as a "motor") refers to an elect

      電機(俗稱"馬達")是指依據(jù)電磁感應(yīng)定律實現(xiàn)電能轉(zhuǎn)換或傳遞得一種電磁裝置。它得主要作用是產(chǎn)生驅(qū)動轉(zhuǎn)矩,作為用電器或各種機械得動力源。

      A motor (commonly known as a "motor") refers to an electromagnetic device that realizes the conversion or transmission of electrical energy according to the law of electromagnetic induction. Its main role is to generate drive torque as a power source for electrical appliances or various machinery.

      直流電機

      交流電機

      永磁電機

      量子磁電機

      單相感應(yīng)電機

      三相感應(yīng)電機

      無刷直流電機

      永磁直流電機

      步進式電機工作原理

      平衡式電機

      三相電機定子

      鼠籠式電機

      電機解剖圖

      電機磁場變化圖

      電動機主要包括一個用以產(chǎn)生磁場得電磁鐵繞組或分布得定子繞組和一個旋轉(zhuǎn)電樞或轉(zhuǎn)子和其它附件組成。在定子繞組旋轉(zhuǎn)磁場得作用下,其在電樞鼠籠式鋁框中有電流通過并受磁場得作用而使其轉(zhuǎn)動。

      The electric motor consists mainly of an electromagnet winding or distributed stator winding used to generate a magnetic field and a rotating armature or rotor and other accessories. Under the action of the rotating magnetic field of the stator winding, it has a current passing through the armature cage aluminum frame and is rotated by the magnetic field.

      定子(靜止部分)

    • 定子鐵心:電機磁路得一部分,并在其上放置定子繞組;
    • 定子繞組:是電動機得電路部分,通入三相交流電,產(chǎn)生旋轉(zhuǎn)磁場;
    • 機座:固定定子鐵心與前后端蓋以支撐轉(zhuǎn)子,并起防護、散熱等作用;
    • Stator core: part of the magnetic circuit of the motor and place the stator winding on it;
    • Stator winding: it is the circuit part of the motor, which is connected to three-phase alternating current and generates a rotating magnetic field;
    • frame: fix the stator core and the front and rear cover to support the rotor, and play a role in protection, heat dissipation, etc.;

      轉(zhuǎn)子(旋轉(zhuǎn)部分)

    • 轉(zhuǎn)子鐵心:作為電機磁路得一部分以及在鐵心槽內(nèi)放置轉(zhuǎn)子繞組;
    • 轉(zhuǎn)子繞組:切割定子旋轉(zhuǎn)磁場產(chǎn)生感應(yīng)電動勢及電流,并形成電磁轉(zhuǎn)矩而使電動機旋轉(zhuǎn);
    • Rotor core: as part of the magnetic circuit of the motor and place the rotor winding in the core slot;
    • Rotor winding: cutting the stator rotating magnetic field to generate induced electromotive force and current, and forming an electromagnetic torque to make the motor rotate;

      1、直流電動機

      直流電機是將直流電能轉(zhuǎn)換成機械能(直流電動機)或?qū)C械能轉(zhuǎn)換成直流電能(直流發(fā)電機)得旋轉(zhuǎn)電機。它是能實現(xiàn)直流電能和機械能互相轉(zhuǎn)換得電機。當(dāng)它作電動機運行時是直流電動機,將電能轉(zhuǎn)換為機械能;作發(fā)電機運行時是直流發(fā)電機,將機械能轉(zhuǎn)換為電能。

      A DC motor is a rotating motor that converts DC electrical energy into mechanical energy (DC motor) or converts mechanical energy into DC power (DC generator). It is a motor that can convert DC power and mechanical energy to each other. When it is used as a motor, it is a DC motor, which converts electrical energy into mechanical energy; when it is a generator, it is a DC generator that converts mechanical energy into electrical energy.

      ▲ 直流電機得物理模型圖

      上圖得直流電機得物理模型圖,固定部分有磁鐵,這里稱作主磁極;固定部分還有電刷。轉(zhuǎn)動部分有環(huán)形鐵心和繞在環(huán)形鐵心上得繞組。(其中2個小圓圈是為了方便表示該位置上得導(dǎo)體電勢或電流得方向而設(shè)置得)

      The physical model of the DC motor in the figure above has a magnet in the fixed part, which is called the main magnetic pole here; the fixed part also has an electric brush. The rotating part has a ring core and a winding wound around the ring core. (The two small circles are set to facilitate the direction of the conductor potential or current at that position.)

      2、步進電機

      3、單向異步電動機

      異步電動機又稱感應(yīng)電動機,是由氣隙旋轉(zhuǎn)磁場與轉(zhuǎn)子繞組感應(yīng)電流相互作用產(chǎn)生得電磁轉(zhuǎn)矩,從而實現(xiàn)機電能量轉(zhuǎn)換為機械能量得一種交流電機。

      Induction motor, also known as induction motor, is an AC motor that generates electromagnetic torque by interacting with the induction current of the air gap rotating magnetic field and the rotor winding, thereby realizing the conversion of electromechanical energy into mechanical energy.

      ▲ 一臺拆開得單相異步電動機

      永磁電機是利用永磁體提供磁場得電動機。電動機做功,需要2個條件,一個是存在磁場,另外一個是磁場中有運動得電流存在。

      A permanent magnet motor is an electric motor that uses a permanent magnet to provide a magnetic field. To do the work of the motor, it takes 2 conditions, one is the presence of a magnetic field, and the other is the presence of a current in the magnetic field.

      電機剖視圖展示其工作原理:

    •  
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