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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 3 years ago • 
1477 views0 answers0 votes
What is the function of the relay?
Answeredadmin asked 3 years ago • 
2831 views0 answers0 votes
Why is the earth pin on a three pin plug made longer and bigger than the others?
Answeredadmin asked 3 years ago • 
1276 views0 answers0 votes
Why CBCT can’t detect phase to phase fault?
AnsweredKundan asked 4 years ago • 
1989 views2 answers0 votes
What is the difference between single phase and three phase?
AnsweredOlive asked 4 years ago • 
2350 views2 answers0 votes
Define the term sensitivity and selectivity of a relay?
Answeredadmin asked 4 years ago • 
2057 views2 answers0 votes
What is a protective relay?
Answeredadmin asked 4 years ago • 
2262 views2 answers0 votes
What are the major problems associated with HVDC circuit breaker?
Answeredadmin asked 4 years ago • 
2177 views2 answers0 votes
What are the main feature of directional relay?
Answeredadmin asked 4 years ago • 
3979 views2 answers0 votes
What is the difference between phase and line voltage?
Answeredadmin asked 4 years ago • 
6082 views3 answers0 votes
What is the need of providing isolator on the supply sides of the circuit breaker?
Answeredadmin asked 4 years ago • 
2908 views2 answers0 votes
What do you mean by Switchgear?
Answeredadmin asked 4 years ago • 
2844 views1 answers0 votes
Why are alternators put in parallel?
Answeredadmin asked 4 years ago • 
3659 views1 answers0 votes
What are the important characteristics of a fuse?
Answeredadmin asked 4 years ago • 
1086 views1 answers0 votes
What is reverse power relay?
Answeredadmin asked 4 years ago • 
2337 views1 answers0 votes
What are HRC fuses and where it is used?
Answeredadmin asked 4 years ago • 
3335 views1 answers0 votes
What is vacuum circuit breaker and where it is used?
Answeredadmin asked 4 years ago • 
2424 views1 answers0 votes
What is Buchholz relay? Which equipment is protected by it?
Answeredadmin asked 4 years ago • 
3278 views1 answers0 votes
How does the resistance of a conductor change with a rise in temperature?
AnsweredRanjeet asked 4 years ago • 
1215 views1 answers0 votes
What is Buchholz relay? Which equipment is protected by it?
Answeredadmin asked 4 years ago • 
2437 views1 answers0 votes
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