Answer / mahesh

electricalpanels are fully covered by proper
grounding,grounding is made my proper ohmic value earth bits

Answer / ramesh

In electrical system we always careful for earth fault
protections because the neutral path is provided by earthing
current is passes through earth.neutral as to transformer
thus the proper earthing is required in electrical panel.

Answer / adam

1-earthing
2-Safety Switching Mechanisms like ELCBs..ets.
3-Warning and Notices and proper labeling .

how can we select the type of wire.what factors we have to look on it , do we have some formula to calculate it. please guide me on it

0 Answers  

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Main advantage of auto transformer over two windings transformer is that A it needs no cooling B it uses only one winding C core losses are reduced D it has simple construction

0 Answers  

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Amoung all classes of electric machines, why the transformer uses oil as one medium of cooling?

4 Answers  

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why we changed the polarity of DC generator ?

1 Answers   DMRC, Microsoft,

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What is the meaning of transformer 16 / 20 mva. 

1 Answers  

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What is Ohms law?

28 Answers   College School Exams Tests, KPTCL, L&T,

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At what factor resistance r of a conductor depends?

0 Answers  

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i want to know that what is the eligibility critaria for ongc exam?

0 Answers  

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which motor is used in watch..??????

3 Answers   Bhushan ITI,

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Explain the construction of the conservator, operation and purpose, and draw the diagram of the conservator.

0 Answers   Siemens,

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Why are some relay circuts designed to have the ct current flow through the neutral instead of the phase wire, such as in some diff relays?

1 Answers  

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Dear sir, In our plant have Station Transformer having capacity,i want to know, why LV side 40 - 40MVA is given? & how we can get 6.3 KV supply from tertiary(i.e. Open delta connection), Vector Group YNyn0 - yn0 +d MVA Rating 80MVA / 40 - 40MVA + 26.7MVA Voltage rating 420 (Tap range +6,to -10)81.25% /11.5KV - 11.5KV +6.3KV

0 Answers   Bhel,

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