What is the function of Lightning Arrester & Wavetrap in
Power system ??
Answer Posted / sandhya
lightining arrestor gives low impedence path for the over voltages at time of lightning strokes.....where as wave trap is used to give the high impendence path for the carrier frequency signal....
Is This Answer Correct ? | 3 Yes | 0 No |
Post New Answer View All Answers
3 shows a 415 V, 3-phase generator supplying a 3-phase 415/110 V transformer. Draw the individual and combined impedance diagrams to a base of 10 kVA. Determine the system fault kVA and the fault currents at the 415 V and 110 V busbars for short circuit faults on the transformer input or output terminals. Work in p.u. values of impedances.
why current is constant on d.c?
What kind of Neutral CT can be placed in 11/0.433KV transformer to be used and what are its specification?
What is K-rated transformer? What is the use of it? What can be the size(pls provide calculation if possible) of K- factor transformer for 550kW,690V motor operating with drive (VFD)?
A 230V dc shunt wound motor has an armature resistance of 0,15Ω.When operating on no load at 650 rev/min the armature current is 6A . The motor takes a full load current of 85A. Calculate the full load speed if the field flux is (i) maintained constant (ii)reduced by 0,03
what is a speed of rotor when we give supply to stator of 50hz and as well as rotor of 60hz of an induction motor?????
what questions are asked in the interview for the post of an electrical maintenance engineer in FMCG companies?
What is the function of the generator exciter?
What is safety of Ht panel
What is the capacitance values of 132,220,400 & 765 kV current transformer
Explain the function and difference of Restricted earth fault, simple earth fault and sensitive earth fault with connection diagram.
what exactly commisioning work does in electrical site work... LT side?..
To make a basic instrumentation amplifier, it takes A One op-amp with a certain feedback arrangement B Two op-amp and seven resistors C Three op-amps and seven capacitors D Three op-amps and seven resistors
Difference between transition and diffusion capacitance
how many load we can take for lighting