Leading power factor implies that current leads voltage-a capacitive load Select one: True C False
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Q: 1. What is the main direct cause of reactive power in AC system? A. Resistance of transmission lines…
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Q: What is the main direct cause of reactive power in AC system? A. Resistance of transmission lines B.…
A: The explanation is as follows.
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A: (b) It is given that: Q=-3 KVArP=5 KW
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Q: EXample a) : Find : (4) the read ,the reactive and the apparent powerdelivered to the load and the…
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A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…
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A: The solution is given below
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Q: In the circuit below Z1 = 40/-60° and Z2 60/40° 2. Calculate: a) The currents I1, l2 and Is b) The…
A: Note: As per guidelines will be solving only the first 3 subparts. Please repost for others…
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Q: power system iii) Sketch the phasor diagram of Q2(b)(i) and Q2(b)(ii) above.
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Q: Find the power delivered by the source. B)Find the reactive power delivered by the source. C)Find…
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Q: Q2. A series of motor (Load 1) and lighting (load 2) are connected to an AC source as shown in…
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Q: Q2. A series of motor (Load 1) and lighting (load 2) are connected to an AC source as show in Figure…
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Q: Q2. A series of motor (Load 1) and lighting (load 2) are connected to an AC source as shown in…
A: As per Bartleby guidelines we are allowed to solve only three subparts, please ask the rest again.
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Q: e reactive power output of a mited by load angle True
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A: In this case, the following twiddle factor needs to be evaluated: W84
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Q: create of your own three problem set and solution for impedances and admittance.
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- Let a 100V sinusoidal source be connected to a series combination of a 3 resistor, an 8 inductor, and a 4 capacitor. (a) Draw the circuit diagram. (b) Compute the series impedance. (C) Determine the current I delivered by the source. Is the current lagging or leading the source voltage? What is the power factor of this circuit?When it is connected in series with a pure resistor R with resistance r and inductance L, the current it draws with a sinusoidal voltage application with an effective value of 100V is 5A. The voltage across the coil and resistor element is 80V and 30V. a-Find the power and power factor consumed by the coil alone? b- Find the power consumed by the system and the power factor? c- Draw the voltage triangle, impedance triangle and power triangle?A 120-V rms 60-Hz source supplies two loads connected in parallel, as shown in the figure. a) Find the power factor of the parallel combination. b) Calculate the value of the capacitance connected in parallel that will raise the power factor to unity.
- A 5-ohm resistor is connected in series with a 25 micro-farad capacitor. A source voltage of158 volts, 50 Hz supplies the combination. Determine the following:a. Circulating currentb. Voltage across the resistorc. Voltage across the capacitord. Real power supplied by the sourcea device has an average power rating of 1200W and deisgn to operate 250V rms line. detrmine the effective resistance if the power socket available has 115V rms line and uses a step up ideal transformer from 115V to 250V.An inductive coil and a non-inductive resistance R ohms are connected in series across an a.c. supply. Deriveexpressions for the power taken by the coil and its power factor in terms of the voltage across the coil, theresistance and the supply respectively. If R = 12 Ω and the three voltages are in order, 110 V, 180 V and 240 V,calculate the power and the power factor of the coil.
- in the figure below, find a) The p.d across j5 ohmn inductance b)The p.d across -j10 ohmn capacitance c) the current in 20 ohmn resitance d) the current in (12+j160 ohmn impedance e) the complex power for (12+j16) ohmn impedanceEach phase of a wye-connected load consists of a 50-Ω resistance in parallel with a 100-μF capacitance. Find the impedance of each phase of an equivalent delta-connected load. The frequency of operation is 60 Hz.Discuss why power plant and distribution system engineers are concerned a. with the real power absorbed by a load; b. with the reactive power.
- A source whose voltage is ? (?) = 50√2 cos (?? + 30 °) ? supplies a load ofimpedance ? = (4 + ?3) Ω. Saber is intended to: a) the active, reactive and apparent powerconsumed by the load. b) a capacitor power that must be installed in parallelwith the load to raise its power factor to 0.97 delayed.If it is connected in series with a pure resistance R with resistance R, inductance L, the current it draws with sinusoidal voltage application with an effective value of 100V is 5A. The voltage at the ends of the coil and resistance element is 80V and 30V.a-find only the power and power factor spent by the coil?b-find the power and power factor that the system consumes?c-draw the voltage triangle, impedance triangle and power triangle? Can you solve the all a, b and c options? PleaseA 120 V, 60 Hz power source is connected across an 800 ohm resistance in series with an unknown capacitor. The voltage drop across the resistor is 102 V. Find the, a.) current of the circuit b.) impedance of the circuit c.) Capacitive reactance d.) capacitance value.