電力系統 CH3 解答 作業 2)

電力系統CH3 解答 (作業2) D m = 3 (45×45×90) =56.7 ft R b = 4 (0.0479×1.52 × 2 ×1.5) =0.6915 ft m H b m R D l =2×10 ln =8.81 ×10 −7 < Q2-345kV> (1) GMR R b r d 0.2406 ft 12 18 − = ′ = 0.0386× = (2) D m =GMD =3 26×26×52 =32.76 ft (3) H m b m R

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