Answer / sumit mishra from areva t&

Each & every switchyard are having set of equipment which
are required for tranmission/distribution of electricity.

So we cn classify the protection as..

Distance or line protection
Tranformer protection
Bus bar protection
Back up protection(O/C & E/F)etc...

How can I calculate the Mega watts required to run a plant having many electric motors and other electrical components.

0 Answers   ISS,

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what is the problem with single phase AC motors and how is it overcome?

2 Answers  

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what happen if transformer neutral not earth

2 Answers  

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how to calculate units consumption for a 12 hp motor /hr.

0 Answers  

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What is the function of retrip in busbar?

0 Answers   Getco,

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A 40 kva transformer has a core loss of 400W and a full load copper loss of 800W. What is The proportion of full load at maxmimum efficiency?

1 Answers  

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what is the difference between bus-coupler and bus-riser

2 Answers  

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In the Variable Voltage Variable Frequency Drive, how the Voltage and Frequency varied ? Is it varied in the Inverter part of the Drive ? Please give us supporting document if any.

0 Answers  

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why we not connect the 12 V batteries in parallel to get the more backup supply for an UPS ? wheter off line or on line UPS ?

2 Answers  

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what is the difference between LATCH and FLIP FLOP

4 Answers   Wipro,

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wwht is wave trap used in ht line

4 Answers  

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what is pure resistive circuit and pure inductive circuit

1 Answers  

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