Answer / barkha thakur

dirrential relay is a type of directional relay
it operates when there is a difference in the primary &
secondary current

Answer / biju mathew

Differential relay is a relay which operates when there is
a difference between two currents. For example incoming and
outgoing currents in a circuit.

Answer / sanjayjssate

Diffrential relay is used in transformer winding protection, it calculates the current of secondary side with transformer turn ration, if the current on other side is very slightly diffrent it does not trip but when iy crosses a fixed percent of defined protection it trips the circuit.

how the inner and outer body is separated in aircrafts?

0 Answers  

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what is the safty of poly phase tranformer?

0 Answers   Adani,

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you have an automatic voltage regulator at home for your appliances,if the voltage in your area drops from 220v to 190v,does the output of the automatic voltage regulator drops?or does it retains the 220v output?

4 Answers  

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why nutral and earthing wire connect with each other in main panel board.

2 Answers  

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if a 3 point starter is not available, how can a dc motor be started?

3 Answers   Accenture, BIT, Techno Solutions,

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what is the reason for harmonics introduced in the line

2 Answers  

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what are the accessories need to be added while doing estimation for the following: 1.MCCB 2.MCB 3.ACB

0 Answers  

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WHAT IS LOAD CELL

0 Answers   AP, TATA,

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In an ammeter used for measurement of current, what is the meaning of the representation of range as '0-50-300'?

4 Answers  

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How to convert KV into MV in a Transformer?. dont say multification of 1000.pls give practical convertion factor.

2 Answers  

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A 10 kva ,400v/200V , single phase transformer with 10% leakage impedance draws a steady short -circuit line current of

1 Answers  

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What is the reasonable voltage between Neutral & Earth of an electrical system for good earthing?

6 Answers   HAL,

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