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(a) A three-phase transposed single line is composed of one Aluminium conductor steel- reinforced (ACSR) with the specification of 1,431,000-cmil and 47/7-Bobolink's conductor type per phase with horizontal spacing of 11 m as shown in Figure Q4(a)(i). The conductors have a diameter of 3.625cm and geometric mean radius (GMR) of 1.439cm. The link is to be replaced by a three-conductor bundled of ACSR with the specification of 477,000-cmil and 26/7-Hawk's conductor type per phase with horizontal spacing of 14m as measured from the center of the bundles as shown in Figure Q4(a)(ii). a b. D12 = 11 m- D23 = 11 m- D13 = 22 m- (i) 45 D12 14 m D23 14 m- D13 = 28 m (ii) gure Q4(a): Conductor layout of three phase transmission line (i) single conductor (iüi) three-bundles conductors (i) Three-conductor's bundles have a diameter of 2.1793 cm and GMR of 0.8839 cm. The spacing between the conductors in the bundle is 45 cm. Compare between the individual and three-conductor bundled for three phase transmission line and include the justification of the parameter changes based on the percentage change in the inductance.

(a) A three-phase transposed single line is composed of one Aluminium conductor steel- reinforced (ACSR) with the specification of 1,431,000-cmil and 47/7-Bobolink's conductor type per phase with horizontal spacing of 11 m as shown in Figure Q4(a)(i). The conductors have a diameter of 3.625cm and geometric mean radius (GMR) of 1.439cm. The link is to be replaced by a three-conductor bundled of ACSR with the specification of 477,000-cmil and 26/7-Hawk's conductor type per phase with horizontal spacing of 14m as measured from the center of the bundles as shown in Figure Q4(a)(ii). a b. D12 = 11 m- D23 = 11 m- D13 = 22 m- (i) 45 D12 14 m D23 14 m- D13 = 28 m (ii) gure Q4(a): Conductor layout of three phase transmission line (i) single conductor (iüi) three-bundles conductors (i) Three-conductor's bundles have a diameter of 2.1793 cm and GMR of 0.8839 cm. The spacing between the conductors in the bundle is 45 cm. Compare between the individual and three-conductor bundled for three phase transmission line and include the justification of the parameter changes based on the percentage change in the inductance.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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(a) A three-phase transposed single line is composed of one Aluminium conductor steel- reinforced (ACSR) with the specification of 1,431,000-cmil and 47/7-Bobolink's conductor type per phase with horizontal spacing of 11 m as shown in Figure Q4(a)(i). The conductors have a diameter of 3.625cm and geometric mean radius (GMR) of 1.439cm. The link is to be replaced by a three-conductor bundled of ACSR with the specification of 477,000-cmil and 26/7-Hawk's conductor type per phase with horizontal spacing of 14m as measured from the center of the bundles as shown in Figure Q4(a)(ii). a D12 = 11 m D23 = 11 m D13 = 22 m- (i) O,0 45 D12 = 14 m- D23 14 m- D13 28 m (ii) Figure Q4(a): Conductor layout of three phase transmission line (i) single conductor (ii) three-bundles conductors (i) Three-conductor's bundles have a diameter of 2.1793 cm and GMR of 0.8839 cm. The spacing between the conductors in the bundle is 45 cm. Compare between the individual and three-conductor bundled for three phase transmission line and include the justification of the parameter changes based on the percentage change in the inductance.
Transcribed Image Text:(a) A three-phase transposed single line is composed of one Aluminium conductor steel- reinforced (ACSR) with the specification of 1,431,000-cmil and 47/7-Bobolink's conductor type per phase with horizontal spacing of 11 m as shown in Figure Q4(a)(i). The conductors have a diameter of 3.625cm and geometric mean radius (GMR) of 1.439cm. The link is to be replaced by a three-conductor bundled of ACSR with the specification of 477,000-cmil and 26/7-Hawk's conductor type per phase with horizontal spacing of 14m as measured from the center of the bundles as shown in Figure Q4(a)(ii). a D12 = 11 m D23 = 11 m D13 = 22 m- (i) O,0 45 D12 = 14 m- D23 14 m- D13 28 m (ii) Figure Q4(a): Conductor layout of three phase transmission line (i) single conductor (ii) three-bundles conductors (i) Three-conductor's bundles have a diameter of 2.1793 cm and GMR of 0.8839 cm. The spacing between the conductors in the bundle is 45 cm. Compare between the individual and three-conductor bundled for three phase transmission line and include the justification of the parameter changes based on the percentage change in the inductance.
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