Zaštita transformatora
1st - 5th Grade
•10 Qs
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Zaštita transformatora
Quiz
•
Education
•
1st - 5th Grade
•
Hard
Elma Mujić
Used 5+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 sec • 5 pts
Na slici je prikazan:
Bimetalni relej
Buholcov relej
Termički relej
Distantni relej
2.
FILL IN THE BLANK QUESTION
20 sec • 5 pts
Osim kvarova u pogonu se javljaju i
3.
MULTIPLE SELECT QUESTION
10 sec • 5 pts
Osnovni nedostatak plinske zaštite je:
osjetljivost releja na potrese
pouzdanost
neosjetljivost releja na kvarove izvan kotla transformatora
pomijeranje plovka
4.
FILL IN THE BLANK QUESTION
10 sec • 5 pts
rade na principu detekcije plinova koji se razvijaju u ulju unutar kotla kod unutrašnjih kvarova transformatora.
5.
MULTIPLE CHOICE QUESTION
10 sec • 5 pts
Šta vremenom stari pod uticajem temperature, vanjskih uticaja?
relej
izolacija
transformator
6.
MULTIPLE CHOICE QUESTION
10 sec • 5 pts
U pogonu su najčešći kvarovi:
međufazni kratak spoj
kratak spoj među zavojima iste faze
preopterećenje transformatora
7.
MULTIPLE CHOICE QUESTION
10 sec • 5 pts
Ako se desi manji kvar, gornji plovak u releju
slijedeći nivo ulja pada dok ne zatvori kontakt strujnog kruga
slijedeći nivo ulja raste dok ne zatvori kontakt strujnog kruga
pada i zatvara kontakt strujnog kruga prije nego padne nivo ulja
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