Answer / jeeten r. more

no t not nessesory the dg earth grid connect with
electriicity board earth grid it can directly connect with
earth pit to protect the dg set.or it can series with
electricity board earth grid.

Answer / k.prakashchandra

To avoid harmful voltages due to loose connection and line
earth faults

how braking & making capacity of circuit breaker is calculated?

0 Answers  

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What are effect of radio system in DCS Distributed control system ?

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transformer test

4 Answers  

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We use ungrounded DC system (220V/110V) for control and protection system in substations etc. Suppose we have long 2 core DC cables running from our DCDB in control room to the load (length of around 2 to 3 km). Do we need to protect these long DC cables from earth leakages or not? If yes how?

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What is meant by regenerative braking?

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How to set an overload in a motor?

3 Answers  

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Explain in brief description about the operation of DG sets.

0 Answers   Siemens,

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0 Answers  

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5 Answers  

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please I wont know how to calculate the vector group for power transformer ZNyn11 best regard.

0 Answers   Al Rasikh,

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what is the differance of acb and mcb and mccb

12 Answers   MacAir, MDS,

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