Thứ Bảy, 2 tháng 9, 2017

Youtube daily motor Sep 2 2017

As I can see here this blue thing is the 3 phase motor. These are the 3 phases. Line 1, Line 2, Line 3

. This is the control circuit the stop button

here. The start button here

This is the magnetic coil which controls the holding/latching contact here it also control the main

contacts here

Yeah, this is the Magnetic overload

This is the thermal overload in my upcoming videos. I'm going to explain each of these components in more

Details, but what I'm doing right now is just basically explaining how this circuit is really

Operated yeah

so

The start button you know the start button is a push button spring release so when it is pressed the circuit here closes

Which causes the current to flow from here to here and here

to here so the coil will energize. when the coil is energized 2 things happen

The holding/latching contact will close which creates an alternative part for the current of flow

when the start button is released and

the main contacts are closed causing

current to flow straight to the 3 phase motor

Yeah, when stop button is pressed

basically the circuit open the coil de-energize

The contacts which are normally open remain in the normal position again on the motor stop

yeah

The magnetic overload now, if there is an overload

fault the magnetic overload will sense that and

Open a circuit here causing a motor to stop the thermal overload now. You know if there is an overcurrent problem and

It senses the heat in the wire. You know it will trip

causing these to open and the motor will also

Short off so basically that's it in my upcoming videos. I will go more in depth in Motor control

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