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how to calculate regulation constants for over head lines? and what are the regulation constant for raccoon conductor at different voltage level and different P.F?
1972Whether should be the oil level in OCTC transfomer? It should be upto winding immersed completely or should be upto tap changer s/w? How it will affect the performance of the transformer. Rating may be 33KVA
1834iam completed my DEEE in eillm university. can i get the c licence in tamilnadu its possible or not
1 3894why motor range is available 22kv,30kv,37kv,45kv and so on? why motor range is not available 21kv,24,25,26,27kv and so on?
2795What is the effect on in Zone and out zone fault if Phase side CT is Vk/2<30 mA and Neutral side is CT is Vk/4<30 mA for Transformer REF protection
ABB,
3813What is genrally the % Impedance of a Dg set? How can we calculate Earthing conductor size for a DG set?
4032What is effect on in zone and out zone fault if CT chosen for phase side is Vk/2<5mA and Neutral side is Vk/2<15mA on REF protection of Transformer
ABB,
2376What is the basis for selecting Vk/2 or Vk/4 for REF and Differential protection of Transformer and What is the significance of magnetising current
2392Post New Electrical Engineering Questions
How we can defined theecopper cable size if we know the aluminium cable size?
What are the factor to be consider for CT selection in 132kV substation?
What are :- AC Distribution Board (Single & Double Front) DC Distribution Boards Distribution Board LT Breaker Panel.
Explain in details how you would react to an unexpected incident when your supervisor or manager is not around to give instructions?
How generating electric power export to grid from the generating station ?
explain remenance . differentiate high remenance type ct & low remenance type ct
what is the function of Moulded case circuit breaker, why it is called Moulded?
Whether 3 phase induction motorwith 100 hp capacity , Amp 160 for which sensitive earth fault relay , type CTUM 15 can be used?
What is genrally the % Impedance of a Dg set? How can we calculate Earthing conductor size for a DG set?
What is the basis for selecting Vk/2 or Vk/4 for REF and Differential protection of Transformer and What is the significance of magnetising current
how to determine Sq.mm size of finolex power cables.
Batteries. What is the difference between Lead and Nickel batteries ?
What are the Formula of computing Back up Time of 500kVA UPS with 4 Battery Banks, each bank composed of 43 pcs of Batteries 12V150Ah. How to compute the Back up Time of UPS? We have also 3X500kVA UPS running in Parallel same composition as I write above.
how can calculate 1kva generator running time in 1 liter keroscene
what are the difference between AC lamp and DC lamp
