7.thick. Due to a fabrication problem, a void that is 90% of the line width, and 1 µm long hasformed in the metal. Use sheet resistance to calculateConsider the copper line shown below that is 100 µm long, 1 µm wide, and 1 µma) The line resistance of the line if there is no voidb) The resistance of the metal left in the 1 um long voided region, and the total lineresistance when the void is present100 μη1 μηLinemetalLine withvoid1 μvoid1 μm

7. Consider the copper line shown below that is 100 µm long, 1 µm wide, and 1 µm thick. Due to a fabrication problem, a void that is 90% of the line width, and 1 µm long has formed in the metal. Use sheet resistance to calculate a) The line resistance of the line if there is no void b) The resistance of the metal left in the 1 µm long voided region, and the total line resistance when the void is present 100 μη 1 μη Line metal Line with void 1 μm void 1 μm

7. Consider the copper line shown below that is 100 µm long, 1 µm wide, and 1 µm thick. Due to a fabrication problem, a void that is 90% of the line width, and 1 µm long has formed in the metal. Use sheet resistance to calculate a) The line resistance of the line if there is no void b) The resistance of the metal left in the 1 µm long voided region, and the total line resistance when the void is present 100 μη 1 μη Line metal Line with void 1 μm void 1 μm

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter4: Transmission Line Parameters

Section: Chapter Questions

Problem 4.3P: A transmission-line cable with a length of 2 km consists of 19 strands of identical copper...

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Similar questions

A transmission-line cable with a length of 2 km consists of 19 strands of identical copper conductors, each 1.5 mm in diameter. Because of the twist of the strands, the actual length of each conductor is increased by 5. Determine the resistance of the cable if the resistivity of copper is 1.72-cm at 20C.
A 60-Hz, single-phase two-wire overhead line has solid cylindrical copper conductors with a 1.5 cm diameter. The conductors are arranged in a horizontal configuration with 0.5 m spacing. Calculate in mH/km (a) the inductance of each conductor due to internal flux linkages only, (b) the inductance of each conductor due to both internal and external flux linkages, and (c) the total inductance of the line.
A single-phase overhead transmission line consists of two solid aluminum conductors having a radius of 3 cm with a spacing 3.5 m between centers. (a) Determine the total line inductance in mH/m. (b) Given the operating frequency to be 60 Hz, find the total inductive reactance of the line in /km and in/mi. (c) If the spacing is doubled to 7 m, how does the reactance change?
If the per-phase line loss in a 70-km-long transmission line is not to exceed 65 kW while it is delivering 100 A per phase, compute the required conductor diameter if the resistivity of the conductor material is 1.72108-m.
Using a 138-kV, 50 km long line “Partridge” conductor and 5 m distance between phases, there is a horizontal connection. way placed. If we neglect the resistance of the line, the maximum that can be transmitted for the following cases calculate percent increases in power (|VS| and |VR| fixed and the power angle is limited to δ 45°). If “Partridge” conductors are replaced with “Osprey” conductors with twice the aluminum area, If a second “Partridge” conductor is placed as a double bundle 40 cm apart, If the voltage level is increased to 230 kV by increasing the phase-to-phase distances of the existing line to 8 m.
High Voltage Technique A line with a 500 km long double strand (n=2) conductors (partial conductor spacing d=40 cm, partial conductor radius r=14 mm) U=380 kV, horizontally located (span between conductors a=7m) , a) Calculate the geometric mean radius of a phase and the geometric mean distance between phases. b) Calculate the maximum field strength. c) Calculate the inductance, capacity and characteristic impedance of the line.
The total conductor cross section of a 537.40 kV (Peak value) three-phase overhead line with a length of 100 km is 517 mm2 and the conductor diameter is 29.6 mm. The roughness factor of the conductors is 0.8 and the distance between the conductors is 6 m. The ambient pressure along the line is 650 mmHg and the temperature is 15oC. Since there is corona discharge in only 5 km of this line, find the total Corona loss lost to the line using the Peek equation (Ed=30kVpeak/cm for Air). I would be very happy if you could be quick. :)
The diameter of the overhead lines in the form of cylindrical conductors in a 300 kV three-phase transmission system is 20 mm.a) - How much distance should there be between two conductors using the maximum area calculation equations?Calculate. (Puncture peak strength of air is 30kV / cm.)b) - In this configuration, if the distance between phase conductors is 0m, at what voltage levelCalculate the discharge occurs?c) - Maximum electric field in the same configuration, for electrode distances to be 0mCalculate the value. If needed in calculations Ꜫ0 = 8.854x10-12 F / m)
The geometric mean radius of the conductor in a 380 kV, 120 km long transmission line 24mm. The roughness factor of the conductor is 0,98. Geometric mean length between phases of conductors 3,2 m. Air pressure across the line 725 mmHg, temperature 18 degrees Celcius and the conductor surface temperature is 85 degrees Celsius.According to this,a) Calculate the voltage at which ionization starts and the corona voltage.b) Find the corona loss for operating voltage with Peek formula.c) Calculate the total corona loss of the line with the Peek formula for a 15% increase in operating voltage.
Geometric mean radius of a 400 kV, 200 km three-phase transmission line 20 mm dir. The roughness factor of the conductor is 0.8 and the geometric mean length between phases is 11 m. Air pressure along the line is 700 mm Hg and the temperature is 20 ° C. In this transmission line; a) - Calculate the corona voltage and the voltage at which ionization begins with impingement particles. b) - Find the total corona loss in the three phase system for the operating voltage with the Peek formula. c) - Find the total corona loss for 10% increase in operating voltage.
HIGH VOLTAGE . A 132 kV, three-phase, 50Hz transmission line uses 18 mm diameter, equally spaced ACSR conductors. Determine the spacing between these conductors, if it is to be designed such that the corona inception voltage is 5% higher than the normal operating voltage of the line at 40o You may assume the expression relating the electric field and the voltage of the line as a starting point.
Geometric mean radius of a 400 kV, 300 km long three-phase transmission line 20 mm. The roughness factor of the conductor is 0.82 and the geometric mean interphase length is 10 m. The air pressure along the line is 760 mm Hg and the temperature is 23 °C. In this transmission line; a)- Calculate the voltage at which ionization starts due to impact and the corona voltage. b)- Find the total corona loss in the three-phase system for the operating voltage with the Peek formula. c)- Find the total corona loss for the 10% increase in the operating voltage.