What is the de rating factor of cable? What is the importance of the de rating factor in cable selection?
1620What is the working principle of CFL & T5 tube light & 40W tube light with electronic ballast?
Remi,
3496Is there any Flood lighting system which produces more light (More power consumption 1000W,400W etc.,), white light and restart immediately after power restoration ?
1 26491)What are the proccedure of initial charge of 100AH lead Acid battery bank 2)whether discharge test is reqd ? if it is rqd why, how 3)what are the discharge critieria (volt/cell or sp.gravity/cell
1 2778sir,i am swati. i am goin to gv jspl exam on 21st nov'10. iwant previous year question paper. plz help me out. my emailid is swatisinha.dav@gmail.com
1 2922why the autotransformer burnt while stating the pumpmotor?, In starter and motor there was no abnormality.
4 12389Why insulation level follows this order? transformer < bus bar < circuit breaker & Isolator < transmission line.
1683Post New Electrical Engineering Questions
What is the role of feedback in a closed loop control system?
what is reactive power?, why its measured in VA ? is it transient behavior of system?
What is the loss of transformer of 220kv/11kv, 63/80 MVA and 18.05% impedance
An ELHNC 80amp 240v 30mA RCD is tripping periodically, every 30 - 180 seconds is it safe to disconnect the protection circuit?
As per the Anchor capstan motor specification, full load current is 200A. starting current is 1750 A and acceleration time is less than 8 seconds. Please guide for selection of cable size.
what is booster? and how it is connected in a circuit?
What are the advantages and disadvantages of the dc motors?
how to calculate the power factor when instantaneous voltage and current has harmonics in it ?
exolain the star delta connection
I have motor of 3 H.P. How i found the rating of capacitor use in it in single phase motor..???
what is automatic voltage regulator?we can control the vlotage by using fuzzy controller in matlab?why we go for fuzzy?
State how to produce a constant rotating field by application of alternating currents to stator armature of a three-phase squirrel-cage induction motor
Can Anyone suggest the Standards (IEC or IS) for selecting copper current density?
How delta connection in the primary of distribution transformer reduces harmonics?how delta connections reduces harmonics?Please answer me...Hope that question is correct.
what is the difference between electrical and electronic choke?
