Recent questions tagged corona

Description : Factors affecting corona

Last Answer : The Following Factors affecting corona:-  1. Magnitude of Voltage : If voltage across two conductors is greater than 30 KV/cm, i.e. breakdown voltage of air than corona formation starts. ... of conductor e.g./ using ACSR, bundled conductor 3. By using smooth body conductor and hardware. 

Last Answer : Corona is nothing but the ionization of surrounding air around the conductor which produces hissing noise,

Last Answer : The phenomenon of ionization of surrounding air around the conductor due to which luminous glow with hissing noise is rise is known as the corona effect.

Description : Which type of corona generates much less ozone? A) A positive corona  B) A negative corona C) Both positive corona and negative corona generate same amount of ozone D) No ozone is generated by either type of corona

Last Answer : Which type of corona generates much less ozone? A) A positive corona  B) A negative corona C) Both positive corona and negative corona generate same amount of ozone D) No ozone is generated by either type of corona

Description : Corona loss in transmission lines can be reduced by (A) using small diameter conductors (B) using bundled conductors (C) using less spacing between conductors (D) increasing the transmission line voltage

Last Answer : Corona loss in transmission lines can be reduced by using bundled conductors

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