A series R-L-C circuit is fed by a 230 V, 60 Hz ac supply. The circuit elements are R = 2 ohms, L = 53.05 mH and C is unknown. If the total real power taken from the supply is 800 W at a leading power factor, determine the value of C. Select the correct response: 84.7 uF 84.7 F 84.7 mF 8.47 uF
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- The circuit is connected to a 60-Hz line. The apparent power in the circuit is 29.985 VA, and the power factor is 62.5%. The resistor has a voltage drop of 14.993 V, the inductor has an inductive reactance of 60 , and the capacitor has a capacitive reactance of 45 . ETITZVA29.985PF62.5%ER14.993VIRRPELILXL60VARsLLECICXC45VARsCCThree coils connected in series across a 100 V, 50 Hz supply have the followingparameters:R1 = 18 Ω, L1 = 0.012 H; R2 = 12 Ω, L2 = 0.036 H; R3 = 3.6 Ω, L3 = 0.072 HDetermine the potential drop and phase angle for each coil. USE SERIES AC CIRCUITS METHOD NOT KIRCHOFF LAWS. PLS SHOW COMPLETE SOLUTION AND ROUND OFF TO FOUR DECIMAL PLACES , WRITE LEGIBLY PLS INLUDE ALSO THE CIRCUIT DIAGRAM:a. Apply a voltage of 120V at 60Hz to an impedance Z = 50 + 50j Ω as shown. b. Determine the value of C to bring the FP to 1 c. Tabulate the current in the source for different values of C d. Determine when the PF is lagging or leading
- Find the total current to the parallel circuit of L = 45 mH and C = 400 µF with an applied voltage of v = 110sin(100t) V. Also, what is the total impedance, and power factor of the circuit? Is the circuit inductive or capacitive?Solve for the total impedance of the circuit at 60 Hz. R1=5ohms L1=21.22mH C3=132.63 microF L4=42.44mH R4=8ohms R5=40ohms C5=33.16microF R2=10ohmsA series RLC circuit is connected to a 400-hZ line with an applied voltage of 35.678 V. The resistor has a true power of 14.4 W, and there are 12.96 inductive VARs and 28.8 capactive VARs. Determine the value of ER? Show your work. a) ER=24 V b) ER= 20V c) ER= 12 V d) ER= 10V
- An impedance of 100 - j50 ohms in a network operating at 50 Hz represents a) A resistor of 100 ohms and an inductor of 0.159 Henrys b) A resistor of 100 ohms and a capacitor of 63.66 microfarads c) A 100 ohm resistor and a 1 Henry inductor d) A 100 ohm resistor and a 400 microfarad capacitor e) None of the aboveWhat is the cut-off frequency of the circuit below if R1 = 3645.24 Ω, R2 = 4039.54 Ω, R3 = 94.63 Ω, C2 = 0.83 uF?Note: No need to place the unit, express your answer in Hz, 2 decimal palces.A circuit consists of an AC voltage source, a 10-ohm resistor, and a capacitor, all connected in series. The magnitude of the impedance of the capacitor is also 10 ohms. Which of the following is true about the phase angle difference between the source voltage and the current through the circuit? a. Insufficient information is given. b. The phase angle difference will be zero degrees. c. The phase angle difference will be 45 degrees. d. The phase angle difference will be 90 degrees.
- If the impedance of a series RC circuit is given as (8- j6) ohms and is connected to an ac source of 200.50HZ then the value of capacitive reactance is Select one: a.3 Ohm b .None of these c. 5 Ohm d. 2 OhmAn industrial plant has a real power demand of 650 kW at a power factor of 0.65 lagging. The power is supplied by a 3-phase line at voltage of 4.16 kV (line to line voltage). You were just hired and your first task is to find the size of capacitors (in μF) required to improve the power factor to 0.95 lagging. The capacitors will be connected in grounded Y. Find- a) Calculations of the apparent power and the reactive power before the connection of the capacitors, b) Calculations of the reactive power, reactance, and capacitance of a capacitor bank required to improve the power factor to 0.95 lagging c) Calculations of the apparent power and the reactive power after the connection of the capacitors. d) Drawing of the power triangle. In your sketch you must show the real, reactive, and apparent power before and after the power factor correction and highlight the reactive power supplied by the capacitor. e) Sketch of the capacitor connection. Note: frequency is 60 Hz.For the network in the figure:(a) Draw the re model of the network. (b) Determine re.Find ZiCalculate Zo (with ro = ∞).Determine Av (with ro = ∞).Find Ai (with ro = ∞). (c) Draw the output waveform for the sinewave input, and explain the phase realtion.