(20 points For the following network, compute the input source voltage and the input power factor....
+ [3] (15 points) For the following network, find The input source voltage (V) (12 points) The input power factor (3 points) Note: Put your final answers in a box. Show work to get full credit. 0.10. 20.30 48 kW 0.88 pf lagging 240/0° Vrms 36 kW 0.82 pf lagging Vs
A 60-Hz single-phase AC power network is shown in the figure below with four different loads. The source voltage ES-320 0. Prior to adding the capacitor load for power factor correction, the source current IS-135 30 . Determine the capacitance (in μF) of the capacitive load that will make the power factor unity (pf 1.0) of the system. Enter the one best answer (as a number without the units) from the following choices: Sync 74 % 6 15 kVA 10...
Solved: Find Vo in the network in x + /u/0/?tab=rm&ogbl#inbox?projector=1 7. (a) Use source superposition to find Vo in the following circuit: 12/ov +-120 2/AC) (b) An industrial load consumes 100 kW at 0.707 pflagging. The 60 H line voltage at the load is 480 4V rms. The transmission-line resistance between the power company transformer and the load is 0.1 22. Determine the power savings that could be obtained if the pf is changed to 0.96 logging 0.10 w 480...
(10 points) In the diagram below, the source voltage phasor is V, 120L30"V (rms) and measurements show that Plant 1 receives 30kw with PF 0.9 leading, plant 2 receives 60kV A with PF 0.7 lagging and Plant 3 receives 90kW with PF 0.6 lagging. Compute the current phasor Io and the overall power factor. If the source frequency is 60H z, what single passive (time domain) component value should be added in parallel to bring the power factor to unity?...
Problem 3: (20 points) Design a suitable power converter (only the power stage) for the following specifications Input voltage: 36 V to 72 V; required output voltage: 48 V regulated; load current: 2 A to 10 A Maximum allowable pk-pk output ripple voltage: 0.5 V; maximum allowable pk-pk ripple in any inductor current: 2 A. Assume a switching frequency of 200 kHz. Show a complete schematic and the following details in your answer. L: Minimum L value C: Minimum C...
Q1. AC Power Calculation 1. For the following voltage and current phasors, calculate the complex power, apparent power, real power, and reactive power. Specify whether the pf is leading or lagging. (a) V = 120/ 30 V rms, 1 = 6.2/ - 25 A rms (b)V= 220/30 mms, 1 = 0.50/60 Arms (c) V = 250/- 10 Vrms, I = 6.21 - 25 Arms (d)V= 110/30°Vrms, 1 = 0.40/-70'Arms (e) P = 100kW, pf = 0.88 lagging
A 240-Volt rms, 60-Hz source is connected in parallel with two loads. Compute the total reactive power in KVAR) supplied by the source and the overall power factor. Then, select the nearest answer. Load 1 12 kW Load 2 18 kW Ws = 24020° V rms pf = 0.7 lagging pf=0.8 leading О О О О Select one O Q = - 26.0; p. f. — 0.756 0 0 — — 26.0; p. f. — 0.875 Q = -6.0; p....
Problem 1: (40 points) A boost converter based power factor correction circuit needs to operate with universal input voltage, i.e the input voltage can be either 120V (RMS)+/- 10% at 60 Hz or 240 V(RMS) +/- 10% at 50 Hz. The output voltage is regulated at 400 V DC and the maximum (average) output power is 1kW. The switching frequency is 200 kHz. (a) Calculate the value of inductance needed to keep its peak peak ripple current to be less...
(30) In the circuit with a voltage source and two loads below, find the following: 2. The complex power of each load a. b. The total complex power for the two loads - note units of power in the figure c. Sketch the triangle for the total complex power e total current from the source as a phasor assuming the line voltage at the load is 20820 VRMS The value of the parallel capacitance in parallel with the two loads...
dan lstrumeapeues Voltage (V): Current (D: Power factor (PF): 600 V (rms) range, accuracy 1-1000 A, 1 % of reading 1 % of reading 2% of reading (a) Calculate the uncertainty in power measurement as a percentage of reading due to the measurement device for measured values of 460V,36 amp, and a power factor of 0.81 (b) In logging data with a high sampling rate, the calculated standard deviations of the readings are 3.00 V,2.00 A, and 0.03 for the...