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ahmedrahman
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Join Date: Apr 2014
Posts: 3

Definition of Motor Thermal Time Constant

05/08/2014 9:43 AM

Hi all, i wanna to know about some terms :
motor thermal time constant,
safe stall time,
thermal image or modeling of motor
hot and cold start motor
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lyn
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#1

Re: Definition of motor thermal time constant

05/08/2014 9:50 AM

Look them up on Google.

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7anoter4
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Join Date: Oct 2012
Location: 100 miles North from the World Center
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#2

Re: Definition of Motor Thermal Time Constant

05/08/2014 2:36 PM

See [for instance]:

Fundamentals of a Motor Thermal Model and its Applications in Motor Protection

https://www.gedigitalenergy.com/multilin/family/motors/Motor_Thermal_Model.pdf

Or other.

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PWSlack
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United Kingdom - Member - Indeterminate Engineering Fields - Control Engineering - New Member

Join Date: Jan 2007
Location: In the bothy, 7 chains down the line from Dodman's Lane level crossing, in the nation formerly known as Great Britain. Kettle's on.
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#3

Re: Definition of Motor Thermal Time Constant

05/08/2014 4:42 PM

The time constant for anything: it behaves according to a first order exponential decay response, the time constant being the k in the (1-e-kt) part of the equation.

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