a 3 phase slip ring induction motor is wound for 4 poles on stator and 6 poles on rotor; when 3 phase balanced voltage source at 50 hz is applied to motor it will run at a)1500rpm b)1000rpm c)750 rpm d)zero rpm

13 Answers   Essar, PSPCL, PSTCL,

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Hi i want to know that in generation station what we are generate either voltage or current

1 Answers  

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what is the voltage equation of 240/12 v transformer??

1 Answers  

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When calculating the speed of a rotor required for a particular frequency of synchronous generator we use the equation 60f/p Is this p is the number of pole pairs of rotor & do we consider the number of pole pairs in the stator is 1?

0 Answers   UOM,

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Is it necessary to install Lighting Arrester on both side side (i.e HT and LT) of Transformer in a transmission substation? if yes Why on both side?

1 Answers  

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What is the basic difference between 90% stator earth fault and 100% stator earth fault, and its phenmenona?

4 Answers   Reliance,

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why generator one end side star neutral point given? if this point not given what happen?

1 Answers  

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Capacitors are used to ... -Reduce the bill of the farmer -Improve the PF

1 Answers  

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why and how fault current flows through ground?

1 Answers  

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what is different between phase and netural

0 Answers  

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what is form factor.and rms value..

1 Answers   IIM, Torrent Power,

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Explain what is use of lockout relay in ht voltage?

0 Answers  

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