Which device is provided as backup of Buchholz relay???
Answer Posted / sameer
transformer is device protected by buchholzz relay from fault (short ckt) in the winding of transformer. capacity above 500 Kva this relay is used.
| Is This Answer Correct ? | 6 Yes | 4 No |
Post New Answer View All Answers
lenz law application and define
33kv substation lay out details & line to line & line to earth measurements
what is active power & reactive power?
Any one can explaination about calibration with rotating sub standards?
what is meant by carrier aided trip protection in transmission line
when 20hp 3 phase motor start no load condition in star or delta connection.find current and write formula.(tariq)
Application Comparison between 22KV (UE)and 33KV (E) system. Are we allowed to use 33KV (E) cable in lieu of 22KV (UE) cable. What are the technical disadvantages.
i want to run 11kv star connected motor in 6.6kv with delta connected throught inverter, is it possible?
bsnl tta exam question
what are the steps involved in generator load test?
errection check list for transformer maintenance
how to minimize earth resistance upto 2Ω, if the resistance is 6 Ω ?
What is the criteria for selecting the voltage classes of an AC Induction Motor.The KW rating above/below which ht/lt selection is made may be provided in details.
when we have to use UPF wattmeter and LPF wattmeter? what is the difference between UPF and LPF wattmeter in terms of construction?
Plz tell me how we can find that particular company has vacancy or not