IN 6.6KV 3 phase switch gear .i will give 6.6kv to R phase
only to earth in during H.v testing (through H.v KIT).what
happen remaining phases.how much voltage get remaining
phases.why? explain.
what is the use of breather in transformer?
High speed earth switch operation with diagram
0 Answers KSEB, L&T, Sanden Vikas, Siemens,
the voltage per turn of a primary winding of a transformer is the same as the voltage per turn of the secondary winding of the transformer. why?
what are different types of alternator and discuss about the methods of cooling
16 Answers Bhel, Jindal, L&T, Nalco, Vedanta,
details of oil cell size of Breakdown voltage test of tranformer oil details as per Standardswith mushroom electrodes?
why the projects getting loss?
What is Hi-Pot Test for Grid Station HV Equipments?
What is the name of process In VFD frequency are increase then voltage increase & frequency decrease then voltage decrease?
Name different types of fault and which instrument is used to measures earth,short,open cicuit fault?
6 Answers NTPC, Vijai Electricals,
why field resistance is higher than armature resistance in dc machines? and why filed resistance is kept at min value at starting in same time of armature resistance at max value?
in a dc motor we supply current only to the armature conductors,from where is the field winding gets excited then??
How to increase solar cell efficiency ?