Electric motors convert electrical power into mechanical energy, making them a simple source of motive power for not just industrial but also commercial and household use, and their power consumption is quite high with such widespread use.
又稱「電動機」、能將電能轉換為機械能和動能的馬達，是一種最簡單方便的動力來源，不只在工業，在商業和一般居家也都用得到；因為大量使用，消耗的電力也極龐大。