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A 225 km long transmission line has the following parameters: R=0.1 ohm/km, L=1mH/km, C=0.01uF/km. The line feeds a 100MVA load at power factor 0.9 lagging at a voltage of 275kV. Calculate: i. The A, B, C, D constants of the line. ii. The characteristic impedance of the line. iii. The sending-end voltage iv. The sending-end current. v. The sending-end power factor. vi. The sending-end power. vii. The power loss in the line. viii. The transmission line efficiency. ix. The percentage of voltage regulation.
Sketch the complete Nyquist diagram for the following open-loop transfer function. Determine the effect of K on the closed-loop stability. Explain how the "shortcuts" contribute to the diagram.
A certain mixer is producing the following frequencies: 900 kHz, 700 kHz, 500 kHz, and 200 kHz. What are the two most likely input frequencies?
Two metal plates with an area of 4 cm2 and separation distance of 0.01 cm are used to form a capacitance transducer. If the material between the two plates has a dielectric constant of 2.5 and the dielectric constant of free space is 8.85 pF/m
A long straight metal wire of radius r1= 2.20E-2 m is surrounded by a metalic cylindrical shell of inner radius r2= 1.24E-1 m and outter radius r3= 1.91E-1 m. The axes of the wire and the cylindrical shell coincide.
The voltages at the generators buses are maintained at a magnitude of 1.0pu. The generator one (G1) is connected to bus 1. The generator two (G2) is connected to bus 2. The bus angle at bus 2 is taken as reference and is 00.
A TTL gate with VIH (min) = 2.25 V and VIL (max) = 0.65 V is being driven by a gate with VOH (min) = 2.4 V and VOL (max) = 0.4 V. What is the maximum amplitude of noise spikes that can be tolerated on the inputs in both the HIGH and LOW states
Using the Nth order term only of the transfer polynomial, find the Nth order relationship for the Nth order products.
A TDM link has 20 signal channels and each channel is sampled 8000 times/sec. Each sample is represented by seven binary bits and contains an additional bit for synchronization. what is The total bit rate for the TDM link.
A shunt DC motor has RA = 0.7-ohm and VT =429.6 V. For an output power of 50.4 hp, we have nm = 1,452 rpm and IA = 110.8 A. The field current remains constant for all parts of this problem. Find the rotational power loss in watts.
Derive the transmission and reflection coefficients for the case of tunneling through a square potential barrier with 0
Design channel coding performance simulator that compares two channel coding technique X and Y . You can provide pseudocode or block diagram of the simulator.
Calculate the inductive reactance per meter of a single-phase, 50-Hz, two-wire transmission line. Assume each conductor's radius is 9cm and the distance between the two conductors is 5m.
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