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Схема управления пускателем с двух мест

схема управления двигателем с двух мест

управление магнитным пускателем с двух мест

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00:00:08

Hello, Dear readers and guests of

00:00:09

the site, notes from an electrician, after the release of a

00:00:12

video about the connection diagram for a magnetic

00:00:14

starter, I very often began to

00:00:16

receive questions about how to

00:00:19

control a motor from two or three

00:00:22

places, and it’s not surprising because such a

00:00:24

need can arise quite

00:00:26

often, for example, when controlling a motor

00:00:29

from different rooms or in one large

00:00:32

room but on opposite sides

00:00:35

or at different height levels,

00:00:38

etc. So I decided to make a

00:00:41

separate video about this so that when

00:00:43

asking a similar question, I do

00:00:46

n’t have to explain every time where and what to connect, but

00:00:49

simply give a link to this video

00:00:52

where

00:00:53

there is a diagram and its detailed

00:00:56

description So we have an

00:00:58

electric motor

00:01:01

controlled through a

00:01:03

contactor using one push-button

00:01:09

post. How to assemble such a

00:01:13

circuit I explained in great detail and thoroughly

00:01:16

in the article about the connection diagram for a

00:01:19

magnetic starter, the link will be at

00:01:21

the top of the screen, follow it

00:01:24

The only thing I would like to say is that in

00:01:26

that video I didn’t use a machine for

00:01:30

control, but I took the power

00:01:32

directly from the contactor terminals.

00:01:34

Here I installed a separate power circuit breaker,

00:01:39

that is, a machine for powering the

00:01:42

power

00:01:43

circuit is an automatic contactor and the

00:01:48

engine itself, and I also powered two jumpers from it

00:01:51

between the two phases of a

00:01:54

control circuit breaker, a two-pole circuit breaker.

00:01:57

I didn’t find it, so I installed a three-pole one, well,

00:01:59

I used it. Two poles from it directly powered the

00:02:05

control circuit of the contactor coil. Let’s

00:02:08

show how it works. Well, let’s

00:02:11

remind you that we

00:02:13

turn on the power circuit breaker, turn on the

00:02:16

control circuit breaker, press the

00:02:21

forward button, the contactor pulled up, the motor

00:02:25

[laughs]

00:02:28

rotates,

00:02:32

press the

00:02:33

stop button, the coil

00:02:56

de-energizes the three-phase The network is

00:03:00

380 volts, which are familiar to you, and 220 V, that

00:03:04

is, the voltage between two phases,

00:03:06

for example, is 220 V.

00:03:10

Naturally, I also took the control circuit

00:03:13

between two phases, well, in this case,

00:03:16

Naturally, the coil is

00:03:18

also connected to linear voltage,

00:03:21

to phase-to-phase voltage, and should

00:03:24

also be 220 V But if you have a standard line

00:03:28

voltage of

00:03:30

380 V, then naturally, with

00:03:34

such a connection diagram, your coil should

00:03:36

be 380 V and not 220. Otherwise,

00:03:40

it

00:03:45

will burn out if you have a three-phase network of 380 V

00:03:51

and the coil is at the contactor 22 V so

00:03:56

turn on Of course, according to this scheme, you cannot

00:03:59

simply

00:04:00

take the power from one phase and zero, that

00:04:04

is, the control circuit is not taken, it is

00:04:06

not powered from the linear phase-to-phase

00:04:09

voltage, but from one of the phases And

00:04:12

relative to zero. That is, it will just be

00:04:13

220 V then you have you can use a

00:04:17

220

00:04:21

V coil Well, I think we’ve sorted this out because there are a

00:04:25

lot of questions, almost every

00:04:27

second comment comes precisely

00:04:30

because you chose the wrong

00:04:32

contactor coil No, I chose it Correctly

00:04:34

Because I repeat once again That in my

00:04:38

example the three-phase network has a linear

00:04:42

voltage that is, the voltage between the

00:04:44

phases is 220 V, they are the usual 380

00:04:54

V for us. So what can I do to control

00:04:58

this engine from two places, that is,

00:05:01

using two push-button stations? Yes, everything is

00:05:04

simple, I need to add it to this circuit,

00:05:08

that is, connect

00:05:10

another push-button station to this circuit

00:05:12

control, so I took a two-button

00:05:15

stop button and a

00:05:22

forward button, the whole essence of changing the circuit comes down

00:05:25

to the fact that all the stop buttons

00:05:30

We need to connect a follower

00:05:32

and the start button Well, or forward, I

00:05:35

named it both posts, connect

00:05:39

in parallel,

00:05:41

let's call the first post a forward button Well,

00:05:44

or let's call the Start button start

00:05:48

odi and stop button stop odi the second

00:05:51

post will have start

00:05:54

dpd we

00:05:57

decided on this, turned off both

00:06:04

machines here unscrewed the push-button

00:06:09

post So let’s go over it again, the power supply for the

00:06:14

control circuit

00:06:16

initially goes to the stop button This is our

00:06:20

stop button, from it goes to the button Well stop Oh, this

00:06:26

button goes to the Start button

00:06:30

and then two wires go from this button,

00:06:33

one wire to the

00:06:36

contactor coil, the other to a normal

00:06:39

open

00:06:43

contact, since I already said the

00:06:46

stop buttons, here's the stop button. Oh, here's the stop button. 2 of

00:06:49

them we need to connect them to the circuit in

00:06:53

series here to the first one to terminal

00:06:56

4 According to the diagram, power comes from the

00:07:00

machine A from terminal 3, we need to make a

00:07:05

jumper to terminal 4 of the stop button 2 of the

00:07:10

second push-button station, that is,

00:07:12

from here we need to make a jumper

00:07:18

here, this wire is here, I’ll

00:07:23

put it here To this terminal And this one

00:07:26

remove the terminal,

00:07:31

so I connected it here. Here it is, this

00:07:35

jumper then from terminal 3 of the normally

00:07:39

closed contact of the stop button of

00:07:41

pushbutton station number two, we make two

00:07:44

jumpers, we make two jumpers, one

00:07:47

jumper to terminal 2 and the normally

00:07:51

open contact of the

00:07:54

start button is one. That is, we need this one here.

00:07:59

from here make one jumper and the

00:08:02

second jumper to terminal

00:08:05

2 on the same

00:08:08

side of the normally open contact of the Start

00:08:11

button 2 of button station 2, well, that

00:08:16

is, from here we make two jumpers, one of

00:08:18

us will go to the button on terminal

00:08:22

2, the Start button and the second jumper goes

00:08:26

to terminal 2 of the button

00:08:31

d these two jumpers Here's one

00:08:35

out Here's one

00:08:38

out Here it comes

00:08:45

here here it is and here's the second one connected from

00:08:49

this terminal here and now we

00:08:52

just have to make one more jumper

00:08:57

this is from the terminal from terminal O of the normally

00:09:01

open

00:09:02

contact of the Start button

00:09:05

2 to terminal

00:09:09

O normally open contact of the start button

00:09:14

one Ready Here the wire went, went here

00:09:20

here and came to this terminal Here it is,

00:09:24

this

00:09:25

jumper So we connected

00:09:27

both stop buttons

00:09:29

in series and the start buttons

00:09:32

in parallel to each

00:09:41

other, now you can control the

00:09:45

contactor coil as well as the

00:09:48

electric motor itself from any

00:09:51

nearest you push-button post is a

00:09:56

push-button post o push-button post 2

00:10:01

Well, let's turn on

00:10:04

the power including the engine from post number

00:10:08

one is working, I turn off the

00:10:12

engine from post number

00:10:16

d, I turn off the engine is

00:10:18

running, you can turn on the

00:10:22

engine from post number one, turn

00:10:25

it off from post number

00:10:28

d and vice versa, turn on the engine from station

00:10:31

number yes Disable it from post number

00:10:37

one if you mix it up and connect the

00:10:41

stop buttons not in series with each other but

00:10:44

in parallel, then you

00:10:48

can start the engine from any post, even from the first one. At

00:10:51

least from the second one, but stop it. It’s

00:10:54

unlikely since in this case it

00:10:56

is necessary will press two

00:10:59

stop buttons

00:11:02

at once and vice versa, if

00:11:05

you assembled the stop buttons correctly, that is,

00:11:06

in series, and the start buttons were assembled not

00:11:10

in parallel but in series, then

00:11:12

you will not even start the engine, since

00:11:15

in this case, to start, you

00:11:17

will need to press two

00:11:22

buttons simultaneously, well, like this errors may occur

00:11:26

when assembling this circuit. So keep

00:11:35

this in mind, if you need to control

00:11:37

the engine from not two but from three places, then you

00:11:42

need to add another

00:11:44

push-button station to the circuit and then

00:11:47

connect all three stop buttons in

00:11:52

series in a similar way and all three

00:11:55

start buttons in parallel to each

00:11:57

other

00:12:04

If you need to control the

00:12:07

reversing starter, then the meaning remains the

00:12:10

same, only in addition to the

00:12:13

stop and forward buttons, a start button and a

00:12:20

reverse button will be added to the circuit. As you may have guessed, the number of push-

00:12:23

button positions is not limited to two

00:12:26

or three, and the engine can be controlled

00:12:28

from a greater number of places. It all

00:12:33

depends on specific requirements and

00:12:36

conditions of the workplace, by the way, instead of a

00:12:41

motor, you can connect

00:12:44

any load to a contactor, for example,

00:12:46

lighting. By the way, one of the

00:12:48

options for a lighting control circuit from

00:12:51

two places using a

00:12:54

contactor is also quite suitable for this.

00:12:57

Perhaps that’s all this is a

00:12:59

short video.

00:13:02

Thank you for your attention. With you was Dmitry the

00:13:05

author of the site electrician's notes like

00:13:07

subscribe to the channel ask

00:13:11

your questions in the comments

00:13:22

See you again

Description:

В этом видео я подробно расскажу о том, как собрать своими руками схему управления магнитным пускателем с двух и трех мест: http://zametkielectrika.ru//sxema-upravleniya-magnitnym-puskatelem-s-dvux-i-trex-mest/ -------------------- Схожие видео на канале: 1. Схема подключения магнитного пускателя https://www.youtube.com/watch?v=dh5YU4Eg6wY 2. Реверс трехфазного двигателя, подключенного в однофазную сеть https://www.youtube.com/watch?v=vLkgJ0VN6PQ 3. Схема подключения однофазного двигателя КД-25 и его реверс https://www.youtube.com/watch?v=6fGp_rsVgpM -------------------- Сайт: http://zametkielectrika.ru Форум Электриков: https://forum-electrikov.ru/ Группа в ВК: https://vk.com/public34691582 Инстаграм: https://www.facebook.com/unsupportedbrowser -------------------- Спасибо за внимание. До новых встреч. С уважением, Дмитрий.

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