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.

What is proportional controller?

0 Answers  

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What are protections for dty type transformers

0 Answers  

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AVR

2 Answers  

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hi friends ,iam working as genset AVR service engineer in electrical field from past 2 yrs throughout india . i plan to shift in some other job without travelling in same field because i con't travel,i dont know what i do for that so please guide me what job is suited for me,how i can serch the job please anybody helpme iam totally confused

4 Answers  

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How can we calculate the transformer rating if the load calculated is 1000KW (11Kv Supply)?

0 Answers  

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What is voltage divider rule?

0 Answers  

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what is difference between DC and Ac

5 Answers   Birla,

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what is the main different between distribution transformer and power transformer ?

7 Answers   Sail,

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how to calculate energy of 3-phase motor?

0 Answers   Suzlon,

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What is ill conditioned power system?

1 Answers  

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WHY WE USE 4-20mA

5 Answers   Coca Cola,

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What is the difference between surge and impulse?

4 Answers  

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