what voltage to be select in megger for insulation resistance testing to L.V , H.T cables,motors and transfomer?and ohms valve should be giga ohms only or what?
1 146312.5mva transformer is installed in our company with oltc but it is not working in auto mode ,it is operative in manual mode control wiring is done how can i rectify it?
5 5680how does a current carrying conductor posess a magnetic field. what is the reason for the production of electro magnetic field around the conductor
2 6783How to know Resistance and Reactance value of main and aux winding of single phase capacitor start capacitor run induction motor to find capacitor value?
1474can i used 400A SFU (for the use of PA fan motor),if my BUSBAR rating is only 315A?????answer me quickly as possible.......thanks
1 3424what is circulating current in parallel transformer???plus how it is generated ???plz explain in detail.........
2 4852suppose if oil in transformer is not used than what constructional change you will do,for insulation and cooling?
ABB,
2 5227EHV current carrying parts need to have smooth finish,then how can a 245kv GIS with emery finish can run so long?
1365Post New Electrical Engineering Questions
Define what is the function of anti-pumping in circuit breaker?
which pump used in WTP explain the function of VFD how to dtermine capacitorbank of capacity one plant
WHAT IS THE FORMULA FOR CALCULATING CURRENT RATING(DIRECT IN GROUND OR AIR) OF ARMOURED(XLPE) CABLE OF 4C,16Sqmm?
What is the distance between body earthing and neutral earthing.?
Difference between earthing & grounding.?
How we can calculate the life of Lead acid battery
what types of cable used in underground coal mining?
What is time invariant system?
What is meant by Low Resistance Cable and High Resistance Cable.
what is lumped and distributed elements?
whether starting current is limited to rated current of motor through soft starting or it exceeds the rated current?
why and where we use early make & late break contacts in protection?
How to reduce -234126219.6403 MVAr generation and by what?
What is the operating principle of turbo-generator.
Comparision of Air break circuit breaker, SF6 Circuit breaker and vacuum circuit breaker.