Answer Posted / pradeep

mainly there is some drawbacks in differential protection.
the protection is mostly surrounding at the certain region.
for example, if the transmission line length is 10km
means,we locate differential protection in between the
transmission line we can't able to protect the outerside of
the transmission line. so that we go for earth fault
protection. earth consist the infinite resistance.

Earth bits close or open. Which is correct

2026

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in dc suppy frequency is zero why? if dc frequency is zero how to exist dc transients and ac transients

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What type of pipe material G.I or M.S is used for sprinkler system?

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What safety precaution are to be taken for avoiding electric hazards ?

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What is reactive power and where it is used.

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neutral earth resistance testing is it possible for transformer while in load condition

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oltc of a transformer, how it works? and what are the equipment consist of describe briefly?

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what about GD square and its important for motor design?

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why do we have spikes enough to burn electronic boards, when generators are not grounded

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compare between starting charactristics of synchronous motor with those of 3Q Squirrel cage induction motor

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what is electrical machines

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I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

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what kvrah y we need to take the readind of that

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HOW TO CALCULATE S/C,O/C,E/F OF ACB.

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