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DHARMARAJEN
Active Contributor

Join Date: Dec 2007
Location: Mauritius
Posts: 17

dc motor take -ve load when running as a motor

02/08/2008 12:02 PM

We got 8 dc motor connected in 4 parallel lines ( 2 motors in series). Noticed, on one line takes negative load and the other three lines takes positive load. Please explain, how the motor run as a generator (negative load) when other takes positive load. thanks

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SEABEE
Associate

Join Date: Jan 2008
Posts: 30
#1

Re: dc motor take -ve load when running as a motor

02/09/2008 4:32 AM

Do these negative load motors fail to drive load, or could the load sensing voltmeters have a polarity problem, perhaps reversed leads at the shunt?
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SEABEE
Associate

Join Date: Jan 2008
Posts: 30
#2
In reply to #1

Re: dc motor take -ve load when running as a motor

02/09/2008 4:47 AM

Or could the negative load motors be set up for the opposite rotation than they should be, and are being driven by the machine?
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Andy Germany
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Popular Science - Weaponology - New Member Safety - ESD - New Member Hobbies - Fishing - New Member

Join Date: Sep 2006
Location: Near Frankfurt am Main, Germany. 50.390866N, 8.884827E
Posts: 17996
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#3

Re: dc motor take -ve load when running as a motor

02/09/2008 6:16 AM

You would probably have fixed the problem if you knew what you are doing, nd it would appear that you don`t as you cannot even see that the amount of info supplied cannot possible lead to an answer or fix from most CR4 members!!

What you don't know can hurt you!!

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