A load of 40 + j 30 is connected to a source of 200 V with a phase angle of 300, the total reactive power is: 157 vars, delivered to the source 157 vars, delivered to the load 240 vars, delivered to the source O 240 vars, delivered to the load None of the choices are correct
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- The three parallel loads in the circuit shown can bedescribed as follows: Load 1 is absorbing an average power of 6 kW anddelivering reactive power of 8 kvars; Load 2 is absorbing an averagepower of 9 kW and reactive power of 3 kvars; Load 3 is a 25 kΩ resistorin parallel with a capacitor whose reactance is −5 Ω. Find the rmsmagnitude and the phase angle of Vg if Vo=250 0° V(rms).A load of 240 + j 120 is connected to a source of 480 V with a phase angle of 30o, through a transmission line with an inductive reactance of 60 ohms. A Capacitor bank of a capacitive reactance of 120 ohms is connected in parallel to the load. Total reactive power supplied by the source to the line is:A load of 240 + j 120 is connected to a source of 240 V with a phase angle of 30o, through a transmission line with an inductive reactance of 60 ohms. A Capacitor bank of a capacitive reactance of 120 ohms is connected in parallel to the load. Total reactive power supplied by the source is:
- (a) The load impedance (Rectangular form) of pf = 0.8 lagging when connected across terminals A and B that will draw the maximum power from the source. (b) The total impedance of the circuit in ohm (Polar form). And The Power in the load in W. (c) The Power loss in the source in W.Impedances Z1 = 5.83∠- 59° ohms and Z2 = 8.94∠63.43° ohms are in series and carry an effective current of 5 A. Determine the active power, reactive power, apparent power, and power factor.The three-phase in the figure is 50 Hz, phase-to-phase 380 V, the impedance of the inductive load is 22.98+J19.28 Ω. Powerto make the coefficient 0.98; a-) the capacity of the capacitor to be connected to the circuit, b-)Find the value of the phase current after the capacitor is connected.
- Given the circuit below d. Find the MAGNITUDE of the total reactive power (express answer in VARS with 2 decimal places) e. Find the MAGNITUDE of the total impedance (express answer in ohms with 2 decimal places)In a series-parallel circuit, the parallel branches A and B are in series with C. The impedances are ZA = (4 + j3) Ω, ZB = (10 − j7) Ω, and ZC = (6 + j5) Ω. If the voltage applied to the circuit is 200V at 50 Hz, calculate : (a) current IA, IB, and IC; (b) the real, reactive, and apparent powers in each impedance, and (c) the total power factor for the whole circuit. Draw the complete phasor diagram.In a series-parallel circuit, the parallel branches A and B are in series with C. The impedances are ZA = (4 + j3) Ω, ZB = (10 − j7) Ω, and ZC = (6 + j5) Ω. If the voltage applied to the circuit is 200/-45 o V at 50 Hz, calculate : (a) current IA, IB, and IC; (b) the real, reactive, and apparent powers in each impedance, and (c) the total power factor for the whole circuit. Draw the complete phasor diagram.
- A single-phase, 60-Hz source has a voltage of V = 170∠0° V (rms) and a current of I = 20∠60° A (rms). a) Plot v(t) and i(t). b) Find the Impedance of the load that this current is being delivered to. c) Determine the apparent power of the source and draw the power triangle.There is an installation with two equal three-phase loads of 150 kW each and a power factor of 0.9 in lagging. By connecting a pure reactive element in parallel, the reactive power at the input of the installation is 160 kVARS, with a lagging power factor. It can be said that:A)Capacitors were connected and the fp improved. B) Capacitors were connected and the fp improved. C) Reactors were connected and the fp improved. D)Reactors were connected and fp improved. E) None of the aboveConsider the circuit shown in (Figure 1). Suppose that RRR = 160 ΩΩ and CCC = 12 μF. a) Find the phasor current (Enter your answer using polar notation. Express argument in degrees.) b)Find the power delivered by the source. c)Find the reactive power delivered by the source d)Find the apparent power delivered by the source and the power factor.