Answer / k.prakashchandra

PRV is provided to prevent tr from bursting due to the internal pressure . It could be from 0.4 Kg/cm2 to 4 Kg /cm2. The older tr s had explosion vent with copper foil

when voltage increases then current also increases then what is the need of over voltage relay and over current relay? can we measure over voltage and over current by measuring current only?

1 Answers  

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How big (size) can the tertiary winding be in transformer? Can we load the tertiary winding, if yes then how much we can load it?

1 Answers  

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how much LT load can bear by the 100 KW HT connection.

0 Answers  

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what will happen if we use cylindrical conductor instead of flat cu conductor in transformer

2 Answers   Crompton Greaves,

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Why 66KV is step down to 11KV and then 433v, not directly 66KV to 433v ?

2 Answers  

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before transformer oil dielectric strenght tests are taken the oil should be allowed to settle to remove option 1 air bubbles 2 gasses 3 contamination 4 water

0 Answers  

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what does mean of RCT and STR in diffrential CT?

0 Answers  

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placement paper samples of mspl company

0 Answers   MSPL,

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WHAT IS THE FORMULA FOR CALCULATING CURRENT RATING(DIRECT IN GROUND OR AIR) OF ARMOURED(XLPE) CABLE OF 4C,16Sqmm?

0 Answers  

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if the length, number of turns and area of coil are doubled then inductance of the coil becomes.?

1 Answers  

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I want definition for ABT Meter (Availability Based tariff) ?

0 Answers   Radha Regent Hotels,

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Questions :- HR- Q.1 about yourself & family background ? Q.2 Why u choose Power sector as ur carrier starting not any other sector ?? Q. 3 What think abt NTPC ? Techincal Questions:- Q.1 about Vocational Training……What u did , see the main equipments….etc Q.2 Why a transformer Noise during its running condition ? Q.3 about transformer oil material & Test name for the measurement of its dielectric strength & wht will u do if its dielectric strength goes low ? ……..some discussion type ? Q.4 What is relation between transmission lines & Communication lines ? Q.5 Which Machine u will prefer to use at a place where flammable gases are coming out & why ? Q.6 how fault in an electric system is detected & hw protection of equipments is done ? Q.7 Why we didn’t feel electric shock in an electric train ?? Q.8 Anything u want to ask from us ??

44 Answers   Akona Engineering, Bhel, BSES, Cranex, DRDO, JCB, NTPC,

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