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- 18) R-2R ladder network DAC operates at high speed. Select one: True Falsearrow_forwardA (medium) single phase transmission line 100 km long has the following constants : Resistance/km = 0·25 Ω ; Reactance/km = 0·8 Ω Susceptance/km = 14 × 10−6 siemens ; Receiving end line voltage = 66,000 V The line is delivering 15 000 kW at 0 8 power factor lagging. Assuming that the total capacitance of the line is localised at the receiving end alone, determine the sending end current Select one: a. 50 A b. 320 A c. 240 A d. None of The abovearrow_forwardA transmission line of impedance (0.05 + j0.02) pu interconnects the buses of a switchyard and a bulk supply point. The receiving end apparent power is (1.0 + j0.6) pu and sending end voltage, 1/0°pu. Estimate the i. Sending end apparent powerarrow_forward
- Let Rx = 20 ohm and perform nodal analysis, calculate voltage drop between terminals a and b, Vab. Step by step for further learning.arrow_forwardUSE MESH ANALYSIS! THANKYOU!arrow_forwardA 3-phase, 50 Hz, 20 km long overhead line supplies 1000 kW at 11kV, 0.8 p.f. lagging. The line resistance is 0.03 & per phase per km and line inductance is 0.7 mH per phase per km. Calculate the sending end voltage, voltage regulation and efficiency of transmission.arrow_forward
- Example 18.3 Urgentarrow_forwardA 500 kV, 60 Hz, 360 km long transmission line has following parameters: X = j0.375 Ω/km; Y = j5.65x10-6 S/km. i. Calculate the characteristic impedance and the propagation constant of the line. ii. Determine A, B, C, D parameters of the line.arrow_forwardTrue or False 1) Connecting a capacitor bank in parallel to an inductive load leads to a reduction in the total current consumed. 2) Voltage levels of 33kV, 11kV and 0.4kV are in operation within Iraqi transmission system. 3) The two-port ABCD parameters for a short transmission line are (A= D= 1 per unit, B=Z Ω and C=0). 4) The efficiency of a transmission line is defined as the ratio of received to sent apparat powers. 5) In a series dc motor, the armature current, the field current, and the line current are all the same. 6) The PID attempts to maximize the error by adjusting the process through use of a manipulated variable. 7) In the shunt connected DC motor, the equation that calculate electromagnetic torque is ??= ??????aarrow_forward
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