1.Whats the use of GNAC(Generator Neutral Accessory Compartment) 2. why generator or any other system require Neutral Grounding and not Phase grounding 3. what happens if any one of the phase is grounded. 4. if 15kv is grounded directly what will happen, why it should not be grounded like that 5. use of of NGTR(Neutral Grounding Transformer and Resistor) for grounding is helpfull and how

5 Answers   BEMCO, CSS, Powergear,

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what are feeder pillars & panels?

1 Answers  

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how rated the neutral voltage of transformer and reactor, e.g. 400/220, 200MVA transformer have neutral voltage of 33kv. and reactor voltage 145kv. how this rating decided?

1 Answers   MEIL,

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what's the requirement of Dy11d0 connection of 3 phase transformer?what's use of it?

0 Answers   Thermal Systems,

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Merits & Demarits of Oil circuit & Air circuit breakers ?

0 Answers   Genco,

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why cannot we use a freuency more than 400hz is used in aircrafts?

1 Answers  

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Why neutral is not used in three phases dol starter

0 Answers  

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is the surge effect the solar panel, if yes so tell me how can surge effect the panel? explain brifly

1 Answers  

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what is PDU in transformer?? which company manufacture??

0 Answers  

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how to calculate the step resistance for slipring induction motor,how you deside the no of step for that?

0 Answers   ABB, Visa,

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What are the two segments of nyquist contour.

0 Answers  

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Is it possible to measure correct value of earth resistance & cable insulation ristance with out disconncting earth lead & both sides of cable ends? If not, any other method to measure ER & CIR with out disconneting from the system.

0 Answers   HAL,

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