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why lightning arrestor are made by 2 stack of insulator but why cvt are fully 1 stack of insulator.
1 4129How to identify the start and end of 3phase 12 lead motor if U1, U2, etc numberings are lost or erased.
2108what is the working principle of energy saver control panel. please give the complete calculation & theory.
2383For what purpose an AVR in generator sensing generator output voltage?and how the sensing is done by AVR?
3 8947Is it possible to measure correct value of earth resistance & cable insulation ristance with out disconncting earth lead & both sides of cable ends? If not, any other method to measure ER & CIR with out disconneting from the system.
HAL,
2068Is it possible to use AC supply insted of DC supply in trip coil operation? if not, why?
HAL,
5 7531How to do cable earhing? whether by grounding Armour to ground or by running extra G.I wire along with cable? which one is preferred mostly amoung them? If the second one is more preferable how many GI wires to be run along with cable (1 or 2)?
HAL,
2087Post New Electrical Engineering Questions
What is meant by earthhing of a magnetic flow meter and when to use empty pipe detection?
mention hazard experienced during installation
howmany electrician should maintain for a 1000 kva used plant... in kerala..
During underground cabling in landscape area what did we cover the cable with to prevent the electric shock & protect the cable?
why do we measure VIBRATION in -24vdc and why we adjust gap voltage -9vdc to 10-vdc? i am trying to get this information since 5 years, yet i haven't get reliable answer, i hope i can get from you.
how to calculate mf when meter and cTPT detail are given
I have a current transformer with 1 main reading meter with transformer outside the building and a control panel having 5 CT reading meters with black round coils inside the building. I want to know, A) when current pass through the Transformers, will the current be reduced or be the same and after that B) when current pass through the CT meters with black round coils, will the current be reduced or be the same. C) in the above process will the reading of the main meter be same or different, from the total reading of all the 5 CT meters.
2. What are the parameters of EHT sub-station?
what is excitation/
Why is remote backup preferred to local backup?
What is the difference between alternator and generator?
What is the exact minimum vale of voltage between an earth and netural which can damage or can do malfunction of the electronic equipments ? If this is mentioned in any book, pl.give reference.
Define super node?
How can a equal potential zone be carried out in conductors?
iam using DM 3251 voltmeter(1 percent accuracy)for 11KV system PT ratio is 11KV/110V.can anybody explain what is the max and min voltage deviation.
