To determine the Healthiness of Insulation we will be
performing Dielectric tests i.e Insulation Resistance test,
Partial Discharge test,Switching Impulse, Lightning impulse,
Tan Delta test ...etc why we required to perform this many
test, why cant we do only one test. for Transformer, CT's

Answer Posted / tanmay kumar

Because every test has its own specification ,like bdv test for oil,tan delta for bushing,ir for hv,and lv windings..in a single test it is nt posible to test the whole transformer.

Is This Answer Correct ?    1 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what kelvin's law ?

1608


Define reserve-generating capacity?

655


How Load Factor, Demand Factor, Diversity Factor etc best applied in designing an electrical circuit? Is it allowed to consider these factors in each and every panel in an electrical distribution system? Can any body suggest a good book for reference?

2460


On what cycle does thermal power plant operate?

652


What are the symptoms of a bad PG card of a drive (inverter) esp. of Yaskawa Ac Drives (inverters) G7 ?

1576






what is difference between elr and R eartl realy.

1892


What will be the output voltage of a transformer if it is primarily energized from a square wave voltage source?

680


what is mean by parallel operation of permanent magnet generators

1475


how to calculate the capacitor to maintain power factor?

1666


STATE WORKING OF VACCUM CIRCUIT BRAKER?

1469


We have studied about many techniques for finding the stability of system, ROOT LOCUS, ROUTH, BODE PLOT, POLER PLOT etc. In these which is used where. what are the difference among them... PLZ tell me.......

1673


what is the purpose of using filters in a protective relaying scheme?

1766


where the lexical paramater will use in fron end?

1449


which cable is used for 15 Hp monoblock pump 3phase and service wire Distance is 210 feet please tell me cable size Armaured

1063


If I want to lift the water at a height 50m from ground level through two inch(diameter) metal pipe then what is the capacity of motor pump is required? is it possible in single phase supply or not?

1466