Answer / marques, joão

The heating time constant is the time required for a
electric motor to attain 63.2% of it's final temperature
for a fixed power input.

Answer / shyams

It is the time required for the electric motor to attain 63.2% of the maximum temperature reached by that electric motor

Answer / adeel

It is the time required for the homogeneous thermal model of an electric motor to attain 63.2% of the steady state temperature for a fixed input and fixed load torque.

Application of DC motors is generally restricted to a few load speed applications because of _____.

0 Answers  

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what is the function of Moulded case circuit breaker, why it is called Moulded?

0 Answers  

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Which pump set is more suitable and economical for liftingwater from 300Mtr borewell? A. Compressor Pump B. Submersible Pump C. Jet Pumps D. 25HP Centrifugal Pump Q. from PSC Test 22-11-2008 Meter reader

8 Answers  

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How much load can take a 16 mm aluminum cable 3 phase

0 Answers   L&T, Sanga Energy,

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1 Answers  

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In 3phase power= Root*3*v*i*cos@ What is the power in 2phase....??? and Derive it

3 Answers   Essar,

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inductive power factor is benefit compare to capacitive????

3 Answers  

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Explain the term parallel path in dc machin ?

0 Answers   UPSC,

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what the effect will occur if we increase the airgap in induction motor

3 Answers   ONGC,

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what is the pressure of vacuum circuit breaker

2 Answers  

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What is primary and backup protection?

0 Answers  

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what is the VA(Volt-amphere)? define with calculation?

0 Answers  

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