Mindtap For Herman's Delmar's Standard Textbook Of Electricity, 2 Terms Printed Access Card (mindtap Course List)
Mindtap For Herman's Delmar's Standard Textbook Of Electricity, 2 Terms Printed Access Card (mindtap Course List)
7th Edition
ISBN: 9781337900621
Author: Stephen L. Herman
Publisher: Cengage Learning
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constants: A (medium) single phase transmission line 100 km long has the following Resistance/km = 0.25 2; Susceptance/km = 14 × 10 siemen; Reactance/km = 0.8 Receiving end line voltage = 66,000 V Assuming that the total capacitance of the line is localised at the receiving end alone, determine (i) the sending end current (ii) the sending end voltage (iii) regulation and (iv) supply power factor. The line is delivering 15,000 kW at 0.8 power factor lagging. Draw the phasor diagram to illustrate your calculations.
For the power system given below, the voltage at bus 2 is kept at 1.03 pu. The maximum power can be delivered by G2 is 35 MW. Obtain the load flow solution. Take the base power 100 MVA. V₁ = 1.0520 G₁ 0.02+j0.06 G2 V2=1.03 P2 = 35 MW 0.08+j0.24 SL2 20+j50 MVA SL3 60+j25 MVA 0.06+j0.018
General Directions: Read the questions carefully and answer (3*10=30marks) 1. Design a summing amplifier by choosing appropriate values of resistors an so that the output is 5 times the sum of the input voltages. (you are free to use any number of inputs, the type of op-amp, any value of resistors) 2. Derive the equation for the closed loop gain of the inverting and non-inverting Amplifier using appropriate circuit diagrams. 3. Determine the values read by the measuring devices using appropriate formulae www Voc +8V R₁ 33 k Rc 2.2 k ww WWW Poc 200 R₁₂ RE 10 kn 1.0 kn
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