University:
University of Cincinnati Blue Ash
Course:
EPD501 | Electric Power Distribution & Transmission
Academic year:

2024
Views:

150

Pages:

4
Author:

Michael K.

Michael Kurniawan 2018123456 University of Cincinnati Assignment 5 Electric Power Distribution & Transmission Make a resume of the stages and calculations of the Andongan for the 150 KV Electric Power Transmission Tower. Arrange them in the following order. 1. Determine the mechanical conductor wire. Based on data obtained from the Glugur Substation Transmission Unit Segment Titi Kuning - Sei Rotan, for the use of 54 towers with 2 circuits and a circuit length of 34.4 km and a route of 17.2 km. In this calculation, what is sought is to determine the andongan and wire tension by taking into account the influence of wind pressure and heat influence. The data of the IEEE Standardization ACSR type conductor is as follows: 1. Nominal cross-sectional area: 240 mm2 2. Calculated cross-sectional area: Aluminum (Aa) = 241.3 mm2 3. Diameter of conductor: Aluminum (da) = 22.4 mm2 4. Weight of conductor: 1.11 kg/m 5. Coefficient of linear expansion: Aluminum = 23x10-6 6. Coefficient of elasticity of conductor: Aluminum (Ea) = 6300 kg/mm2 7. Length of 150 kv transmission line span: 8. S = 300 m 9. Safety factor: 2.5 for maximum tension 10. Temperature (temperature) : maximum = 75o C : minimum = 15o C : everyday = 50o C 11. Maximum working tensile stress: 10,210 kg 12. Wind speed: 40 m/sec 2. Calculating the span for equal height towers For towers of the same height, calculations were made with a span length of 300 m. The approximation formulas used to calculate the maximum tensile strength are the same as those in the equation. Given : A. W = 1.11 kg/m B. S = 300 m C. A = 240 mm2 D. E = 6300 kg/mm2 E. T = 10,210 kg F. t = 75o C Then to find the maximum stretch of the conductor wire is: The weight of the conductor per cross-sectional area is Working voltage of conductor wire: To find the conductor pulling force (K) used q1 = 1, then: To find the conductor tensile stress (M) used q2 = 1.37, then: And the tensile stress against andongan is: Thus the maximum andongan price can be determined by q2 = 1

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