Can we use a absolute encoder to show rpm of a motor ? what about the condition when power is off ? what is difference if a incremental one is used ?abanirout@gmail.com

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is there any current flows in our body?

4 Answers  

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how do i work out the Amps of a incommer if i am running 1 37 KW motor and a 0,75 KW motor and some solinoids

0 Answers  

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1.what is the difference between ct and cvt? 2.what is the difference between pt and cvt? 3.what is the difference between relays and circuit breakers?

0 Answers  

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How to calculate the External Resistance required for 60HP slipring motor in case no any data of the Motor is available???

0 Answers  

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An active element is one which a. Supplies energy b. Absorbs energy c. Supplies energy and convert energy from one form to another

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What is the "IS" for Rising Main?

1 Answers   APTransco, NTPC,

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what is calculation mathod/formaulla for deciding Size of busbar (Copper/ aluminum)for L.T. panel on Various Fault level like 50kA,25kA,10kA

0 Answers   Mega Power,

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Why DG set rating in KVA

13 Answers   Crompton Greaves,

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Can u tell me design of switch yard

0 Answers   NTPC,

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Where the excitation is given either stator or rotor in actually in power plants?

8 Answers  

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need to make a report. Need to choose a 3phase induction motor. Load conditions motor will operate in : Maximum Load: 30 Kw Speed: 2950 rpm Ambient temp: 20 cent Supply voltage: 440V Frequency: 50Hz need to look for the safety factor when choosing the motor, went through catalouge found a few, but dont know how to choose the safety factor allowing an extra load something above 30 KW to avoid any harm.

0 Answers  

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