Answer Posted / ashwin

Buchholz relay is used in oil transformer. It is used to identify slowly developing faults in the transformer as a result of which the oil develops air bubbles. It is connected between the transformer core and the conservator.

If the Brush of DC motor is shifted by 90 deg, then what happens to voltage and torque? Both voltage and torque are zero. how to justify the answer?

1384

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LT cable fault chaecking equipment and to find out the distance at what distence it failure . Name and where it is available?

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what is mean by NPS (Negative phase sequence)fault? what is the difference between EFR & OCR faults?

2289

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The inventer is a battery, but if lost current at home u will turn on the fan but the is AC and inventer battery is dc . Then how the fan was rotating. What device Or machine in fan converst the Dc power to Ac power

1086

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For small size, high frequency coils, the most common core material is- a. )Air b. )Ferrite c.) Powdered ion d.) Steel

2930

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DEFINE BREAKING CAPACITY OF BUSBAR & HOW IT IS CALCULATED?

5175

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What is Electrical Grade Aluminum for Tubular BusBars. i am confused between 6063 and T6 or T5 and what is BS 2898 and BS 159?

1788

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why we change the direction of winding in rotor ?how we make the north and south pole?

1989

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33kv Rated output avilable in market (any where in india)

2030

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What will be the effect if I use inverter as UPS mood?

2144

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What is the use of bundle conductors?

1104

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A power transformer 4MVA/11KV/0.415Kv has been out of use in 12years. what maintenance actions/test need to be carried out before energizing.

1267

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how open delta PT works & what is its construction?

2194

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reason of diode failure in alternator

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I have iti elec, 1st aid, and 5 yrs experience in 7.5 mw power plant. Am i eligeble for 11kv license in telangana state..when, how to apply for that.?

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