DC motor starters

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simon_12

New Member

• May 13, 2010

• #1

Hi all

Can anyone tell me, how many types of DC motor starters are there? Please send me any document on this which contains all the types of DC motor starters with their electrical diagrams and working.

Any help will be greatly appreciated.

Regards,
mhs

 

Hero999

Banned

• May 13, 2010

• #2

There shouldn't be a need for a starter, just connect the motor to a battery and it'll run.

Could you be talking about a soft start, which prevents the current surge from blowing a fuse/circuit breaker or damaging other components?

 

Last edited: May 13, 2010

S

simon_12

New Member

• May 13, 2010

• #3

Hi Hero

I am talking about high power D.C motors which require starters, to limit the inrush current.

Any helpful material on this? I already searched on google but didn't find anything relevant.

Regards,
mhs

 

Hero999

Banned

• May 13, 2010

• #4

What current and voltage are you taking about?

It's pretty simple, just connect a resistor in series with the motor and bypass it with a transistor or relay once the surge is over.

Here's a simple low power motor soft start, I designed to stop an SMPS from shutting down when a motor is turned on.
**broken link removed**
https://www.electro-tech-online.com/threads/cheap-and-cheerful-dc-motor-soft-start.30314/

 

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Simple Simon

New Member

• May 16, 2010

• #5

Simon

Are you talking about mag starters for high H.p. / Amp Motors?

If so, It would have match to the type of motor you are using.

We will need more info.

Simple Simon

 

W

Wade Hassler

Member

• May 17, 2010

• #6

DC Motor Starters Information on GlobalSpec

 

C

cristimm

New Member

• May 19, 2010

• #7

Hello all, I want to use the soft-start circuit from here: https://www.electro-tech-online.com/threads/cheap-and-cheerful-dc-motor-soft-start.30314/

to start my radiator cooling fan in a BMW car. I want to use the soft-start because at idle when the fan kicks in I got a little rpm variation due to high current drain.

Will it work? Any tips?