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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?
1979Whether 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
1838iam completed my DEEE in eillm university. can i get the c licence in tamilnadu its possible or not
1 3896why 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?
2797What 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,
3822What is genrally the % Impedance of a Dg set? How can we calculate Earthing conductor size for a DG set?
4038What 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,
2379What 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
2403Post New Electrical Engineering Questions
In radial network the source is fed from 1 end both ends at central
what is the criteria for selecting fuse rating in 1phase, 2phase & 3phase welding sets?
What is dc current source?
You are of electrical field and you are going for software? Why
Explain the propagation of harmonics in the network and influence of phase angle of harmonics.
The SFC of an engine is 0.25 kg/kW hr. when the fuel used has a calorific value of 36000 kJ/kg. the thermal efficiency of the engine is
When color of silica gel will gets change from blue to pink from Top to bottom?
What is the basic principle of operation of alternators/dc generators?
what is a composite error in current transformers, why occurs & in which it will occur i.e, either metering ct/ protection ct
Name the component u would expect to find in a switchgear assembly?
What happen Grid EARTH plat got cut.
How to identify the start and end of 3phase 12 lead motor if U1, U2, etc numberings are lost or erased.
Difference between a pilot wire and a normal conductor?
In electrical what is earth(ground)connection, wht is the importance of it, why it is recomended to maitain below 3VAC between Neutral and earthspecially in PLC used machines?
how to test reverse power trip?
