What is Procedure the procedure to select CT's & PT's in 66kV and above substation?

2 Answers   BEL,

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what is the difference in inductance and resistance.both oppose the flow of current but how.resistance having + ve power in both cycle while inductance having both power.

5 Answers  

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galloping in transmission line is due to

2 Answers   DVC,

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Why the brushes used in dc machines are made of carbon not from other metal?

2 Answers  

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whata is battery charger ?how many cells connected for 110v?

1 Answers   Essar,

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how to select a air/vacuum circuit breaker.is there any thumb rule???

1 Answers  

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A resistance, inductance & capacitance are connected in series between points A & B.The voltage drops across the resistance,inductance&capacitance are found to be 40V,70V&100V respectively. What is the total voltage between between points A&B (Vab)? a)210V b)70V c)50V d)230V

6 Answers  

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what is the different between HT auxillary relay resistance and transformer tripping relay resistance?

0 Answers  

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what is tpmo switch

3 Answers  

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Which factor decide the colour of the light emitted from a Led?

3 Answers  

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what is the permissible bend in the LT& HT CABLES.

2 Answers  

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why capacitive load is not used in routine life????any reason is there ??????

0 Answers  

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