Answer / linu mohan

RELAY CODE NO.-32
DIRECTIONAL POWER RELAY

Answer / sanjay d. dabli

DPR IS DIFFERENTIAL PROTECTION RELAY & IT IS USED FOR FAULT CURRENT PROTECTION.WEATHER IT MAY EARTH FAULT OR PHASE TO PHASE FAULT. IT'S NO IS 64.

Please explain the following and how these are working with PLC unit 1.I/O Module 2.I/O Device 3.Adaptor Card 4.Ribbon Adaptor 5.RS 485-FC

0 Answers   Shree Mayur Engineering,

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difference between temperature sensor and temperature switch

3 Answers   ABB,

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can we run the home fan both clock and anticlockwise direction

1 Answers  

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What will be done if we open the secondary of CT on load??

4 Answers   Engro,

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what is meant by negative sequencing in power system.explain in detail

1 Answers  

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An AC Motor to give DC supply what happen the motor.whats the problem are create.

2 Answers  

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what is the difference between bus-coupler and bus-riser

2 Answers  

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what is phase voltage and phase current what is line current and line phase

3 Answers   L&T,

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what will be the efficiency off x'mer during no load test and during short circuit test

1 Answers   GPSC Gujarat Public Service Commission,

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what is positive,negative and zero sequence in power system?

4 Answers  

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why do we provide metallic enclosure to bus duct and then ground it?

1 Answers  

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how motor should be connected i.e star-delta or star-star or delta-delta ?

3 Answers   GSE,

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