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Switchgear and Protection

DWQA Questions

DWQA Questions › Category: Switchgear and Protection
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What is protection in electrical system?
Answeredadmin asked 4 years ago • 
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What is the function of the relay?
Answeredadmin asked 4 years ago • 
3013 views0 answers0 votes
Why is the earth pin on a three pin plug made longer and bigger than the others?
Answeredadmin asked 4 years ago • 
1356 views0 answers0 votes
Why CBCT can’t detect phase to phase fault?
AnsweredKundan asked 4 years ago • 
2119 views2 answers0 votes
What is the difference between single phase and three phase?
AnsweredOlive asked 4 years ago • 
2498 views2 answers0 votes
Define the term sensitivity and selectivity of a relay?
Answeredadmin asked 4 years ago • 
2202 views2 answers0 votes
What is a protective relay?
Answeredadmin asked 4 years ago • 
2424 views2 answers0 votes
What are the major problems associated with HVDC circuit breaker?
Answeredadmin asked 4 years ago • 
2478 views2 answers0 votes
What are the main feature of directional relay?
Answeredadmin asked 4 years ago • 
4464 views2 answers0 votes
What is the difference between phase and line voltage?
Answeredadmin asked 4 years ago • 
6593 views3 answers0 votes
What is the need of providing isolator on the supply sides of the circuit breaker?
Answeredadmin asked 4 years ago • 
3240 views2 answers0 votes
What do you mean by Switchgear?
Answeredadmin asked 4 years ago • 
2955 views1 answers0 votes
Why are alternators put in parallel?
Answeredadmin asked 4 years ago • 
3791 views1 answers0 votes
What are the important characteristics of a fuse?
Answeredadmin asked 4 years ago • 
1179 views1 answers0 votes
What is reverse power relay?
Answeredadmin asked 4 years ago • 
2522 views1 answers0 votes
What are HRC fuses and where it is used?
Answeredadmin asked 4 years ago • 
3527 views1 answers0 votes
What is vacuum circuit breaker and where it is used?
Answeredadmin asked 4 years ago • 
2549 views1 answers0 votes
What is Buchholz relay? Which equipment is protected by it?
Answeredadmin asked 4 years ago • 
3455 views1 answers0 votes
How does the resistance of a conductor change with a rise in temperature?
AnsweredRanjeet asked 4 years ago • 
1314 views1 answers0 votes
What is Buchholz relay? Which equipment is protected by it?
Answeredadmin asked 4 years ago • 
2748 views1 answers0 votes
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