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
any earth foult trip the relay but in welding time not trip by earth foult
What is meant by reverse polarity and how it can be fixed?
How halogen & merquery lamp works.
Difference between a pilot wire and a normal conductor?
Transmission through a short line depends on
what is the difference between earth leakage and earth fault?
66kv under ground cable how to layaing in ground any special case two ckt r runing
Hello everyone, somebody knows what is a "surplice power" ? The hole phrase is: "This rating is appropriate for a generator set paralleled with an infinite bus e.g. a national electrical supply network or grid where the generator set is run at 100% load, 24 hours a day, 365 days a year and any surplice power is exported into the grid" Thanks in advance.
Which types of gate insttaled in static switch. Please give me answer.
Why strting torqe high in inducation motor?
what is earth fault relay 64T, why it is used in main Incomer and neutral CT of Transformer.
If only R Phase is connected in 2 pole elcb, n is not connected than it will work or not in ground fault.
Difference between earthing & grounding.?
difference between ac series and parallel circuit
Comment on the working principle of operation of a single-phase transformer.