Answer / shyamkr

its dc series motor.and various methods of it speed control
are :
1.armature resistance control
2.field control
3.armature voltage control

Why synchronous motor runs at a fixed speed? what is the name of that fixed speed?

4 Answers  

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when generator of a power plant is not connected to grid , by increasing the mechanical torque speed of rotor increases but when it's connected to load instead of increase in speed current increases , why?

1 Answers  

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How do I calculate/select Droop CT ratio for various capacity of generators?

0 Answers  

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I am getting diesel genset 62 kv for my house In addition there are 6 meters of 11kv for the house Lift also being installed for house plot sise 200sq yds total 4 + 2 foloors I want to know how much earthing required how deep it should be

2 Answers  

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what is the instrument used for measuring insulator RESISTANCE

5 Answers   TATA, Transco,

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why current increases when voltage decreases in ac system

10 Answers  

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WHAT IS THE THUMB RULE FOR DECIDING THE CURRENT RATING OF COPPER WIRES SAY 2.5/4/6/10 MM SQUARE SIZES??

14 Answers   Dubai Group, Saudi Delta Groups, Savitha Electricals,

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why pull the single core cable?

1 Answers  

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What is Long rod insulator and it's applications..? merits over the disc insulator ..?

0 Answers  

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We have .ht motor which is 60Hz.we run on 50Hz.so that it's speed reduce but we had one prob.that motor winding temp increase up to 135 deg.we want reduce this temp.what to do?we arrange ext.cooling fan but not much effect.we want reduce this temp. Inhouse without affecting much.cost. also don't want reWINDING OF MOTOR?

3 Answers  

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what happen if rotor earth fault in AVR system?

1 Answers  

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how to find number of run cable laying[LT side] for transformer & alternator secondary side? [above condition for getting output power transformer to main panel side] give the example.

0 Answers   L&T,

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