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Un-Answered Questions { Electrical Engineering }

What is primary and backup protection?

437


How do you select the pickup value of the relay?

469


Give some example of fault limiting devices?

415


What is the difference between the transmission line and distribution line?

397


What is the bundle conductor?

505


What is the difference between resistance grounding system and resistance earthing system?

389


When are the directional relays used?

375


What are the common sources of energy?

402


How many types of faults are there in 3 phase power system?

417


What is meant by sag?

411


What is critical disruptive voltage?

449


What are the advantages of a three-phase system over a single-phase system?

384


What are the causes of electrical faults?

375


Write down the classification of the transmission line?

358


What is the difference between a fuse and a breaker?

379