BULLETIN of the

POLISH ACADEMY of SCIENCES

TECHNICAL SCIENCES

BULLETIN of the POLISH ACADEMY of SCIENCES: TECHNICAL SCIENCES
Volume 60, Issue 1, March 2012

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Electric mine motor thermal models aiding design and setting thermal protections

R. KROK
The paper presents original modified thermal networks for calculations of the temperature field in induction mine motors under steady and transient conditions aiding design and setting thermal protections. They can be used for location of the hottest places in motor elements in order to place in them sensors for temperature measurements. They can be also applied to determining the equivalent thermal constants of windings needed when setting microprocessor thermal protections.
Key words:

induction mine motors, thermal protections, thermal networks


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