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I applied via Referral and was interviewed in Dec 2018. There were 6 interview rounds.
Trafo capacity refers to the maximum load a transformer can handle. Work description includes maintenance, testing, and troubleshooting of transformers.
Trafo capacity is measured in kVA (kilo-volt-ampere)
Work includes regular maintenance to ensure optimal performance
Testing involves checking for voltage regulation and insulation resistance
Troubleshooting involves identifying and fixing any issues with the transformer
Ex...
The protection device of a power transformer is called a Buchholz relay and it detects faults in the transformer oil.
Buchholz relay is installed in the pipeline between the transformer tank and the conservator tank
It detects faults such as overheating, overloading, and short circuits in the transformer oil
It works by detecting gas bubbles generated by the fault and tripping the transformer
It also provides an alarm sign...
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I applied via Naukri.com and was interviewed in Dec 2021. There was 1 interview round.
I applied via Recruitment Consultant and was interviewed in Aug 2021. There was 1 interview round.
I will isolate the transformer and investigate the cause of the differential trip.
Isolate the transformer from the system
Check the differential relay settings and wiring
Inspect the transformer for any physical damage or oil leaks
Check the oil level and quality
Investigate the cause of the differential trip
Take corrective actions to prevent future trips
I applied via Naukri.com and was interviewed in Aug 2023. There were 2 interview rounds.
I applied via Job Portal
I applied via Naukri.com and was interviewed in Nov 2021. There was 1 interview round.
A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.
Transformers are used to increase or decrease voltage levels in electrical circuits.
They consist of two coils of wire, known as the primary and secondary coils, wrapped around a core.
Step-up transformers increase voltage levels, while step-down transformers decrease voltage levels.
Transf...
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