what is the relation between frequency and inductive reactance in a d.c supply?

2 Answers   L&T,

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Explain in brief description about the operation of DG sets.

0 Answers   Siemens,

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at high temperature conductivity increases for conductor what will happen for long transmission when temperature is high?

1 Answers  

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how it can be decided what will be the rating of CT and PT to be used in LT or HT cables?

3 Answers  

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what is first ground fault & second ground fault. This is used in rotor protection of alternator.

1 Answers  

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How the frame size of a flange mounted AC induction motor is calculated?

0 Answers   APCPDCL,

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What the capacitor Current formula?, For 1 KVAr how amps its required? for using the KVAr for boosting the PF Design Calculation.( Eg: for 30 KVAr required how many KW?)

17 Answers   Alstom, Call Centre, EDC, HCL, Procon Engineers,

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What is the difference b/w RMU & substation

1 Answers  

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in case of induction motor when overload condition or any short ckt. why stator winding burn not to be rotor winding

2 Answers  

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what is the difference between MCB & MCCB

3 Answers  

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what is a,b,c,d checks diesel generator?

1 Answers   AFMC,

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Why transformer called by KVA?

8 Answers   Reliance,

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