+ [3] (15 points) For the following network, find The input source voltage (V) (12 points)...
(20 points For the following network, compute the input source voltage and the input power factor. 0 0.12 /0.32 36 kW 0.82 pf 48 kW 0.88 pf 240/0 V rms agsing agging
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...
(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...
Not yet answered P Flag question Question 3 Marked out of 15.00 A 240 V source energizes the parallel combination of a purely resistive 6 kW heater and an induction motor that draws 7 kVA at 0.8 lagging power factor. The overall load power factor is: Select one or more: a. pf = 0.94 (Leading) b. pf = 19.99 c. pf = 0.94 (lagging) d. pf = 0.34 (Lagging)
(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?...
A balanced 3-0 source serves the following loads: Load 1: 18 kVA at 0.8 PF lagging Load 2: 10 KVA at 0.7 PF leading Load 3: 12 kW at unity PF Load 4: 16 kVA at 0.6 PF lagging The line voltage across the terminals of the load is 208 Vrms and the line impedance is 0.2 +j0.4/0. Find the line voltage and PF at the source. (3 pt) Real part of the line voltage at the source: (3 pt)...
Problem 3 Two parallel 3-phase loads are supplied from a 3-phase source with line-line voltage of 415.6922 V rms. The data of their power consumption are as follows. Load 1: 15 kVA at power factor of 0.75 lagging Load 2: 9 kW at power factor 0.82 lagging 1) 2) 3) 4) 5) Determine the complex power consumed by Load 1 Find the complex power consumed by Load 2 Calculate the total complex power consumed by the two loads. Determine the...
Problem (1): A 15-KVA, 2400:240-V, 60 Hz transformer has the following equivalent circuit parameters: R = 2.522 R2 = 0.02522 Xi = 722 X = 0.0712 Re = 32 kl Xm = 11.5 k12 If the transformer is supplying a 10-kW, 0.8 PF lagging load at rated voltage, assuming the output voltage is the reference, draw the transformer's exact equivalent circuit referred to the primary (H.V) side and use it to calculate: 1. The input current 2. The input voltage...
(15 pts.) A voltage source with 115 V rms value, is feeding three loads, which are in parallel to one another. The information about the loads is as follows L1: 200 W, at pf .92 lagging L2: 250 VA, at pf= .81 leading L3: 200 VARs at pf .85 lagging a. (1 point) Show the diagram depicting the given system 5 ะ Jr 2 + b. (6 points) Calculate S, P, Q, and 6 for each of the loads c....
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...