A 50 km, 60 Hz transmission line has a resistance of 6 Q and its magnitude equal to 10. Then its inductance in H (to 4 decimal pla Answer
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- Calculate the velocity factor of a coaxial cable used as a transmission line with the characteristic impedance of 50 ohms; capacitance is 40 pF/m and an inductance equal to 50 microH/m.23. Calculate the reactance of a peterson coil suitable for 1 33kV, 3phase transmission system of which the capacitance to eart of each conductor is 3.2μF1. Find the outer radius of a coaxial cable having a characteristic impedance of 12 and a dielectric constant of 0.06. The outer inner radius of this cable is 4 cm. 2. How much is the inductance of a coil of an instrument that induces 1000 V when its current changes at the rate of 50 mA in 2 µs
- A twin lead transmission line is embedded in a dielectric material with 3.2 relative permittivity. Its wires are separated by 2cm and their diameters are both 3mm. Compute for its characteristic impedance.A 25V, 2.5kHz supply is connected to a network comprising a variable capacitor in parallel with a coil of resistance 250 ohms and inductance 80 mH. Determine, for the condition when the supply current is a minimum the capacitance of the capacitor the dynamic impedance the supply current the upper half-power frequency the value of the circuit impedance at the -3dB frequenciesq15/ choose the correct answer In a 200kV transmission system, the transmission line can be used as a medium for power carrier communication. Select one: True False
- A transmission line has the following primary constants: resistance R = 15 /loop km, inductance L = 3.4 mH/loop km, conductance G = 3µS/km and capacitance C = 10 nF/km. Determine the characteristic impedance of the line when the frequency is 2 kHzA 230 kV, 3-phase, 50 Hz, 200 km transmission line has a capacitance to earth of 0.03 µF/km per phase. Calculate the inductance and kVA rating of the Peterson coil used for earthing the above system.Explore the challenges and benefits of implementing power electronics-based grid solutions like STATCOM (Static Synchronous Compensator) for voltage control and stability.
- characteristic impedance z0 = 50 ohms is a short-circuited coaxial (coaxial) cable with a length d = 0.3λ component is wanted to be made. Use Its frequency is f = 8 GHz. (a) Identify the component. (b) Find the impedance value of the component. (c) Find the parameter value of the component. lesson:electrical and electronical engineeringThe ratio J/Jd (conduction current density to displacement current density) is very important at high frequencies. Calculate the ratio at 1 GHz for:(a) distilled water (μ = μo, ε = 81εo, σ = 2 x 10−3 S/m)(b) seawater (μ = μo, ε = 81εo, σ = 25 S/m)(c) limestone (μ = μo, ε = 5εo, σ = 2 x 10−4 S/m)Given the following circuit. Determine the Z parameters. * 8Q 10Q “