Electrical Control Circuit

Electrical Control Circuit This page is about to share knowledge of electrical control circuit diagram, symbols, control logic, interlock and how to draw

16/08/2021

How are you everyone?
If you people are interested to hear from me (new post) you can comment here on which topic the next post will come.

04/05/2016

From next week we will post some useful control circuit.

13/04/2016

শুভ বাংলা নববর্ষ ১৪২৩।
Happy bengali new year 1423.

Contact: two types1. Normally Open (NO)2. Normally Close (NC)And1. Electromechanical2. Static / solid stateTo make or br...
11/03/2016

Contact: two types
1. Normally Open (NO)
2. Normally Close (NC)
And
1. Electromechanical
2. Static / solid state

To make or break (Close or open) a contact it needs a force. Depends on force contact symbol will change.

Push / pull- switch
electromechanical attraction- relay / Magnetic contactor.
Pressure switch
Limit switch- axial
Timer

Basic question:Why relay k powered up / latched / self hold by its contact k?..............................................
05/03/2016

Basic question:
Why relay k powered up / latched / self hold by its contact k?..................................................................
No answer till now. Why?

Answer:
In electromechanical relay it has a mechanical movement and it takes time to change of state of auxiliary contact of relay. Thats why relay remain powered up by its auxiliary contact.

It will not happen if you give pulsating DC of duration greater than the mechanical movement time of auxiliary contact of ralay.

03/11/2015

Very soon we will start from control circuit symbol with meaning and then small control logic etc.

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