Answer / surender singh

In output of Generator terminal and Bus duct ,we use flexi
links ie no hard connection because to avoid the transfer of
vibration of generator to bus duct.

Answer / shali

That have also something to do with avoiding high tenssion
on the generator terminals due to the physical weight of
the hard busbar. Plus, limiting the transfare of the
generator vibe to the bus.

Answer / mi2

to avoid vib. of generator, & work as like fuse

IN A DY11 GROUP DISTRIBUTION TRANSFORMER WITH NEUTRAL EARTHED, WHAT WILL HAPPEN TO THE SYSTEM VOLTAGE & THE EQUIPMENTS IF EARTH GETS OPEN ON LOAD?

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While testing the 33KV Busbar by using Hipot kit, what should be the test voltage we have to apply

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any one have papers of hpcl or sailof ELECTRICAL ENGG.

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an amazing situation was faced when an alive distribution panel with 415 volts and carrying almost 200Amps has become short and this metal cubical showing 220 volts against neutral and earth. to redress any confusion i checked the panel with help of single 200watts test lamp which also glowing with max.intensity b/w neutral & metal body of DB. amazing situation is that i hold the DB firmly more than once with necked foot means without insulated shoes but not received any electrical shock. whereas our all running gen sets neutral points also proper grounded and this short DB was completely earthed , this is beyond my understanding . any body explain how is it possible . our running gen set neutral also grounded firmly

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