Description
一、变频电机
变频电机是指在标准环境条件下 … 此类控制的电机叫做变频电机。
常见的变频电机包括:三相异步电机、直流无 … 铁路及城市轨道交通用牵引电机、电梯电机、集装箱起吊设备用起重 … 。
二、定频电机
定频电机通常指的是电机运行在电网上的 …”
步进电机的主要特点 “… 小编为大家讲解一下步进电机的特点。
特点
• 准确位置控制
步进电机以一个固定的步距角转动 … 角为1.2°的三相步进电机。
• 简单的脉冲信号控制
需高 … 脉冲信号可以准确地控制步进电机的转动角度和速度。
什么是 …”
步进电机基本结构 “… 脉冲数
2. 脉冲数越多,电机转动的角度越大。
3. 脉冲 … 一简略介绍
(一)反应式步进电机
反应式步进电动机亦称磁 … 。
(二)永磁式步进电机
永磁式步进电机是转子或定子的某 … 的输出力矩,反之亦然。
下图是电机转矩与速度对应的曲线图
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