Shielding angle for transmission line

Discussion in 'Homework Help' started by setcc.akl, Jul 2, 2009.

  1. setcc.akl

    Thread Starter New Member

    Jul 1, 2009
    For lightening protection shielding angle for transmission line is taken 30° & in EPRI transmission line of reference book it is taken as 63°, whereas state government is taking shielding angle of L.A. 68° for protection of village areas & in ISS Shielding angle is taken as 45°. kindly inform resons for change in shielding angle in various practices.