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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?
1970Whether 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
1831iam completed my DEEE in eillm university. can i get the c licence in tamilnadu its possible or not
1 3890why 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?
4024What 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,
2370What 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
difference between ac series and parallel circuit
What is the function of electron gun used in crt?
How to choose the vector group for the step up and step down transformers??? Tell me the which vector group is suitable for step up and step down transformers and whats the reason to choose and whats the benefits???
What happens to voltage when current through the inductor is constant?
If the feeder rating is 7.5 kw or 10 HP star-delta feeder, MCCB is taken as 63 a, contactors-32 a, how much will be the OLR rating or which range OLR should be considered when we concern about type-2 coordination?
wow to calculate the transformer rating(KVA)
why fractional pitch winding generally used in alternators?
Why we specify TNC switch with 1NO 1NC ,2NO 2NC ? how we get connection.?
what are the range of memory address in plc for L&T lx7 4A
What is the difference between diode and a transistor in terms of the direction of current flow?
for compensate 315mh inductance ,how many capaciance required?
explain Density
Dear sir, I completed DECE In the year 1995.Now i am working in a private company from last 10 years as an Electrical supervisor.The company having a 1000 KVA transformer.Now i try to apply "C" Licence. I am eligible or not.If not eligible,pls give solution.
We have a distribution transformer of 750KVA/11kv/440v and an AVR (Servo Stabilizer) of 750KVA on the LT side of distribution transformer. Also we have an ACB of 1200A on the output of distribution transformer (that is on the input of AVR). We want to have an MCCB on the output of AVR. What should be the rating?
What is the Designing & Selection Procedure for a DG/Transormer of rated capacity?
