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?
1406Whether 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
1378iam completed my DEEE in eillm university. can i get the c licence in tamilnadu its possible or not
1 2830why 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?
2331What 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,
3046What is genrally the % Impedance of a Dg set? How can we calculate Earthing conductor size for a DG set?
3385What 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,
1876What 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
1881Post New Electrical Engineering Questions
how to handle 2500 kva transformar
HI....HOW CAN BE MESARED THE VALVE OF NEUTRAL GROUND RESISTOR WHIC IS LOCATED AT SWICHGEAR ON GENERATOR SIDE....
How earthing of switchgear system to be done.
What types of question are done for diploma students in aptitude test
What are the protection required for Transformer, motor, Line, Generator, capacitor, that all i have to refer which standard?(Like Transformer detail IS 2026)
what is the difference between the voltage of 5 volts capacitor and and 5volts battery?
why 5kW motor becomes unbalance if its relay trip 1st time and its set value is 7.0 A
can we start slipring motor on star delta like we start induction motor ? if yes where will we connect ?
what is efficient motors and how it is different from normal induction motors
Why computer humming sound occurred in ht transmission line?
IF alternator SCR value will be high means what happen in alternator efficency at operating power factor of 0.8
I am going to appear for the RRB Chennai junior Engineer online exam. Please send me the previous exams question papers (also solved) to my mail id: rrkhandhar@yahoo.com
Why we use ups battery and dsdb battery in thermal power plant
10 Mtr Hight of Lighting Arrestar how much area coverd??
how can check the resistance of battery contact?