Answer Posted / saroj kanta nayak
When a high or extra high voltage transmitted in a
transmission line, due to magnetic effect on the core of
the conductor all most all electronics pass on the surface
of the conductor. So the air outside the conductor surface
becames conducive and looks bluish and due to dielectric
breakdown of air a hissing noise comes from surrounding,
Called as corona !
Due to corona OZONE formation on the outside surface of the
conductor. The effect of this to the power system is called
as corona effect.
| Is This Answer Correct ? | 284 Yes | 21 No |
Post New Answer View All Answers
Why have to use copper cable for local isolator to motor ?
I am apply the AAI. So i want electrical sample question paper in technical with answer my id is vijayjobsmart@gmail.com
WHAT IS THE MEANING OG (li = 7 In)
How to calculate total harmonic distortion level(THD) in VFD? and how can we reduce harmonics?
UG cable sizes were specified in sqmm. But practically its not coming to mesure. What's the reason for that? And how they specify the size of the cable?
how we decide the require size is this for a known current at fuu load?
The slip during plugging operation is given by= A 1-s B 2+s C 1+s D 2-s
sir please send me iocl written test paper in my e-mail account. i'll be obliged to you........ thank u roshan
what is the illumination level required for child play area?
3- What is the target from Zero Impedance, Single Phase Imp., S/C Imp. and magnetic balance tests?
what is v/f control in VFD?
how unidirectional torque is produced in DC motor?
What are the temperature elements?
Explain the terms real power, apparent power and reactive power for ac circuits and also the units used.
why burdens of VTs is more than CTs?
