WHY HUMMING SOUND OCCURED IN HT TRANSMMISSION LINES ?
Answer Posted / vikrant
corona is basically due to the ionisation of air near the
conductor, whose diameter is very small as compared to the
distance between the conductors.hence air near the
conductor ionises and ozone gas is evolved and it produces
a hissing sound. corona efect can be seen clearly during
night.
| Is This Answer Correct ? | 6 Yes | 2 No |
Post New Answer View All Answers
What is the formula formula for Busbar sizing and what are the things to be consider for Busbar Calculation?
I HAVE A 50A MCCB AS PER DESIGN LINE WIRE CONNECT UPWORD SIDE AND LOAD IS CONNECTED TO DOWNWARD SIDE TO THE MCCB.IF NOW ANY ONE CHANGE SUPPLY & LOAD(WISEVERSA) WHAT HAPPENS ? DOES MCCB OPERATION OR WORKING FUNCTION NORMAL IF YES THAN WHY THERE ARE MARKED LINE & LOAD ON MCCB.
What is use of starter and choke in tube light
What is the percentage loss for aluminium wire for HT line more than 11KVa
Define conversion efficiency of a power amplifier. What is its value for class c power amplifier?
What if the difference beween internal and exrteranal LBB?
What is the basic principle of operation of alternators/dc generators?
Air circuit breaker safety
Is it required to lay 2 runs of GI wires along with armoured cables from one power DB Machines of higher rating?
what is V.L.F. testing of power cable? do you know the voltage ratings, like for what rating and size of cable what rating of V.L.F. testing is used?
What is trip and closing coil in cb? Why need of them
What is capacitance?
What is meant by a stray loss of a induction motor??? What is the equation to find it
what are the types of electromagnetic forces developed in practical transformer?
What is an automatic controller?