Question

Calculate the per unit series reactance of a 400kV L12 tower strung with 2x700mm2 Araucaria bundled conductor. Use 100MVA base. Assume the GMR of a 61-stranded conductor to be 0.7720 times the nominal radius of the conductor. Ref. BSEN 50182:2001, Page 65, Table F.41. Bundle spacing 300mm 2.

Answer 1

from the table, F41 ,いe find thot the corduub cliamete37, 3 mm Bund le spaing ニ300 mm Radius Diamer31: Conver try into on, we get >19.39า 8xc_coi o.01 43478 m nis the cistana betwear the bund les of condwors There are to bunclies ane ueus name them as A and B wie 61 stranded ondl ineach. 1 2 G1 MR 0.01า32 o. 0143978 a 89 50.gs n/km old tod