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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人忽厕1937请问电气大人,如何用继电器实现自锁?
淳屈霄17790928997 ______ 设时间继电器为T,中间继电器为M,复位按钮开关为K,灯泡为L.则可考虑如下连线: 220V火线---K与M常开并联---T常闭接点--L与T,M线包并联组---零线 当按K时,电源经T常闭接点接通L(灯)及二个继电器线圈,灯亮,M常开接点吸合,K闭锁.时间继电器计时.当时间到,T常闭接点动作,切断电源,灯灭,同时M失电,K失去自锁.

人忽厕1937中间继电器怎么进行自锁
淳屈霄17790928997 ______ 中间继电器没有辅助触头.它是用一组常开主触头做自锁触头的.

人忽厕1937这个中间继电器接线图能不能实现缺相自保??? -
淳屈霄17790928997 ______ 朋友,可以啊,原理是按sb2---A相电经过sb1--sb2--ka吸和线圈--B相,常开触电ka自锁,然后B相经过常开触电KA到km吸和线圈--fr热继电器,最后到C相,主触头KM吸和,电机工作. 当其中某一相电缺相了两个吸和线圈都会断电主触头就会分断,从而保护电动机.

人忽厕1937哪位大师大师知道一个按钮开关和三个中间继电器怎么实现自锁 -
淳屈霄17790928997 ______ 没说清楚,三个中间继电器自锁,需不需要互锁,自锁电路需要停止按钮,否则只能拉阐断电才能停止工作.以后提问近量说清楚,回答者才能近力帮助你.

人忽厕1937AH3 - 3 是怎么自锁的 -
淳屈霄17790928997 ______ ah3-3时间继电器可以自锁,不过自锁触点可以通过的电流不适合过大,对于过大的接触器之类的负载最好加中间继电器,这种型号的时间继电器自锁脚是3,常闭是4,给此型号的时间继电器供电的时候它能顺间跳到常开点3,所以它的自锁点是3,公共电是1,也就是时间继电器的电源端1. 5和6是延时脚,公共点是8. 3和4是瞬动脚,公共点1.

人忽厕1937继电器互锁与自锁问题
淳屈霄17790928997 ______ 互锁: 是两个继电器之间,假设A继电器动作,B继电器就要停止,B继电器动作,A继电器就不能动作.自锁: 是一个继电器之间,继电器的动作靠外部信号启动,但当外部信号消失后,继电器线圈通过继电器自身的辅助触点保持动作,就叫自锁.

人忽厕1937气缸速度过快,磁环开关不能让中间继电器自锁怎么办?有什么好的方法?
淳屈霄17790928997 ______ 换超小型继电器,plc里面那种输出继电器就可以,不要用中间继电器.还有种办法,换那种双电磁头的气阀,这种只要有个信号就可以马上返回,不需要持续通电.

人忽厕1937一个继电器可以做自锁电路吗 -
淳屈霄17790928997 ______ 可以,利用触点,线圈吸合后一直通电或线圈断电后一直断电

人忽厕1937降压起动柜起动后为什么中间继电器自锁不了 -
淳屈霄17790928997 ______ 以我的理解, 其实继电器,接触器 的原理都差不多, 只是线包电压等级,接点电压等级不一样,用在不同的 地方有不同的叫法 你24V直流控制交流接触器,中间 继电器在这起一个隔离的作用. 24V接中间继电器的线包上,控制 中间继电器,中间继电器的一副接点 接入交流接触器的控制回路中,你要 交流接触器的自锁,那就把中间继电器的这一副

人忽厕19372个中间继电器怎样进行互锁. -
淳屈霄17790928997 ______ 每个中间继电器线圈回路必须串联另一个中间继电器的常闭触点,就可以实现互锁