why humming sound occured in HT transmission lines.
Answer Posted / vijay patel
due to high voltage the produced electrical field cause break down the air and moist particle in to the ions and this efeect cause humming sound
Is This Answer Correct ? | 2 Yes | 2 No |
Post New Answer View All Answers
pls,send the previous year written test questions.
how to fit 3 HP crompton gear motor with conveyor with the use of staring delta starter or ordinary starter?
show the single line diagram of star delta starter with single phase preventer
what is the difference between 4pole & 6pole DC Motors & give advantage ?
what is doubling factor in making current of a breaker?
What are gain margin and phase margin?
Why do we use center tap transformer that used with portable tools
How to calculate no of EARTH PIT? Describe the formula as per IS standard?
What are linear and non-linear systems?
Why we are going for converter transformers for DC drives application instead of distribution transformer?
Is there a possibility to use such a treshold voltage for the NMOS part of a CMOS circuit that during the switching it will start conducting only after the PMOS part will be already closed, by this eliminating the leakedge current? Please note, I'm not asking about the well bias in standby mode, but about the "antileakedge" measures during normal operation.
Why and when NGR panel required. Is it necessary to design a NGR panel for a 6.6kV Alternator paralleling with Grid????
What is the formula for calculating impedance of transformers connected parallel at fault level 50KA?
What are the weight of 800KV DA,DB and DC type tower ?
how electical engineer is related to apsrtc (general) post? if they ask a question in interview as why did u choose this job what shd be answer