1、用中间继电器作为缺相保护装置的线路

2、脚踏开关踩气缸动作实物彩图接线

3、浮球开关的工作原理讲解

4、常用元件代号及图形符号的画法

5、电工必学的7个基础程序-自锁-多点启停-点动加联动运行

6、电工必学的7个基础程序-延时接通、延时断开-交替输出

7、电工必学的7个基础程序-连锁和互锁-闪烁电路

8、220V电机的倒顺开关实物彩图接线方法

9、变频器电路的接线方法

10、时间继电器的接线方法-实物彩图

11、以太网跟PLC通信电路实物图

12、正反转电路实物彩图接线方法

13、互感器与电表的实物彩图接线方法

14、自制温控风扇电路实物彩图方法

15、星三角380V主电路实物彩图接线方法

16、电接点压力表实物彩图接线电路图

17、接触器实现单开双控的实物彩图接线方法

18、空气能热水循环系统电路

19、变频器接线实物彩图电路展示

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俞影修4848电工高手帮我,画一个自锁 互锁 连锁电路?面试电工用的啊!帮帮忙. -
钟心绍17629617113 ______ 第一个图是按动按钮开关sb2接触器km1线圈得电,这个时候接触器常开点吸合,km1常开点闭合,这时松开sb2按钮,km1线圈不会失电,会继续吸合,这就实现了自锁,要线圈断开即停止工作,就按动常闭按钮sb1就断开了线圈的电,这时接...

俞影修4848电工按钮双互锁可逆启停电路 -
钟心绍17629617113 ______ 双互锁带正反转电路一般用于双向进料的皮带如正转进A库反转进B库,这只是举例具体用途要看实际需要但原理一样.电机反转的前提之一是要调相,正装如果为UVW,反转未UWV等.如果没有互锁正转接触器粘死而有人开反转那就造成380V电源短路有了互锁反转接触器是吸合不了的.至于单锁或双锁的使用要看设备的重要性,一般用单锁中的接触器互锁方式.因为触电比较集中在电控柜内;

俞影修4848看不懂电路图怎么办 互锁单锁 不会 还有什么双重互锁 -
钟心绍17629617113 ______ 1从点动开始说吧,点动就是一个接触器一个启动按钮组成的.按住启动按钮不放,接触器吸合.松开按钮,接触器断开.2自锁也就是你说的单锁,由一个接触器,一个启动按钮,一个停止按钮组成.按一下启动按钮,接触器吸合.再按一下停止按钮接触器断开.3互锁由两个接触器,两个启动按钮,一个停止按钮组成.互锁有几种接法,其中也包括双重互锁.按一个启动按钮,相应的接触器吸合,而另外一个接触器不会吸合.按停止按钮时,已吸合的接触器断开.

俞影修4848电工来看看这个接线图,上图,上接线电柜? -
钟心绍17629617113 ______ 星三角启动是有3个接触器,主接触器KM启动后得电运行,KMΔ 还有KMY,就是主题 星三角启动 用的,所以必须3个接触器; 你接的主线路是对的,重点是KMΔ连接的电机绕组线,U1和W2 在一相电上,V1和U2,W1和V2,用KMΔ连接;

俞影修4848请教互锁电路,这个电路图是怎么样实现互锁得,请详细 -
钟心绍17629617113 ______ N年以前学电工学时我是知道电工学这本书上有电动机双重互锁控制线路的接线图的,你可以翻了看看.如果没有,你在线了联系下我,我画个图给你吧. 这问题你可以采用开关互锁和接触器线圈互锁就可以搞定了啊... QQ:63822784

俞影修4848怎样看懂电气原理图? -
钟心绍17629617113 ______ 1、要熟悉电工符号,明白电工的基本线图(自锁、互锁、正/反转、星/三角等基础线路)2、要熟悉电工元气件(接触器、继电器、按钮、空开、限位等)构造的原理,要进行实物拆装,加深对其的了解4、结合工作单位的电气设备进行相对应的...

俞影修4848电工接线 -
钟心绍17629617113 ______ 还要配备两个交流接触器.一个接通正转,一个接通反转,两个在待机状态为停止.两个交流接触器分别由其中一个微动开关控制.为防止两个交流接触器万一同时动作,需在接触器端(微动开关端也可)接成互锁电路.

俞影修4848电工电路中的互锁是咋回事?请那位师傅给咱简单明了的解读一下可以吗?不过一定要通俗易懂,因为我的文化 -
钟心绍17629617113 ______ 简单来说,互锁就是指的两个电路相互“排斥”,不能同时接通.比如电动机的正反转电路,要求电动机正转时,接触器1接通,电源以A、B、C的相序接入电机绕组U、V、W的相;要求反转时,接触器2接通,可以使用B、A、C的相序接入电...

俞影修4848电工互锁原理
钟心绍17629617113 ______ 朋友 ,互锁其实就是电气连锁和机械连锁.电器连锁是利用控制电路的主副触头来互相牵制工作的,而机械连锁是利用杠杆原理来互相制动工作的.