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.

which has more heat effect(dc or ac)

4 Answers   CCEL, TATA,

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what is DRP panels?

0 Answers   SECL,

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what happens when dc supply is given to the transformer?

3 Answers  

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types of motors suitable for escalators with reason

2 Answers  

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how to define that what is resister ,capacitor& inductor.

1 Answers  

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if one of the phase is failed to 3 phase IM. what will happen?

6 Answers  

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i have been tasked with a design of protection, metering and control(PMC) relay panel extension to accommodate all PMC relays.There is an already existing panel where this one will be built.What are the design aspects for this kind of project? thank you.

0 Answers  

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What are the classifications of heating element?

0 Answers   BARC,

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in CNC reference how to take? what kind of input give to the servo amplifier?

1 Answers  

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Current Transformer's star point must face the protected object for the relay operation?

2 Answers   Siemens,

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why odd hormonics only will effect the power system.why not even hormonics

1 Answers  

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Why we cant store an ac power. If we coo store in which device we can?

0 Answers   Jindal,

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