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Consider the three-phase circuit below. Calculate the total active power, apparent power, S and the power...
Consider the following single phase circuit (one-line diagram): a) Calculate and draw the equivalent per unit circuit b) What is the voltage at the load (actual)? :208 208: 1 Load Ziad 0.082 130.082 Ω c) Calculate the apparent power, active power, reactive power (actual values) at the load d) What is the power factor at the load? Consider the following single phase circuit (one-line diagram): a) Calculate and draw the equivalent per unit circuit b) What is the voltage at...
The single-phase circuit shown in Figure. 1 is operating at steady-state. R;=1000 G=10F L=0.05 H C = 2001F1 ZL.+0.2H R=2002} @va Vs1 V2*10000/10000) M Vs2 V2200Cos(1000+30) M Figure. 1: Single-Phase Circuit 1. Represent the circuit in the phasor domain. Show the impedance value for each passive component of the circuit and the phasor value for each voltage source. 2. Using the circuit in phasor domain calculate the value of each branch current and the complex, apparent, active, and reactive powers...
For the following voltage and current phasors, calculate the complex power, apparent power, real power, and reactive power. Determine whether the power factor is leading or lagging. V = 260 230 Vrms, I0.5260 Arms The value of apparent power is VA The value of real power is W. VAR. The value of reactive power is The power factor is Click to select B
5) When supplying power at 33 degrees to the 480V bus, the three phase two-pole 50 Hz wye connected synchronous alternator with synchronous reactance of 2.14 Ohms per Phase has a torque of 375 lb-ft. Neglecting losses, determine power supplied to the bus, excitation voltage, active and reactive components of apparent power, power factor, (25 Points)
a) Three-Phase Motor Specs: Line Voltage: 113.7 volts True power: 1,275 watts Apparent power: 1,888 voltamps What is the power factor of this circuit? b) Single-Phase Motor Specs: Voltage: 126.9 volts Amperage Draw: 13.5 amps Motor Resistance: 149 ohms Motor Inductive Reactance: 63 ohms What size of a capacitor, in microfarads, is needed to change PF = 1.0?
A three-phase generator connected in star generates a phase voltage of Vθ = 220 Vrms and supplies a three-phase load also connected in star. The three phases of the generator are connected to the three loads shown Remember that the return of the current of each charge is through the Neutral. a) Calculate the phase, line, load and neutral currents b) Calculate the phase, line and load voltages c) Calculate the powers of Apparent (S), Real (P) and Reactive (Q)...
A three-phase generator connected in a star generates a phase voltage of Vθ = 2500 Vrms and supplies a delta-connected three-phase load. The three phases of the generator feed 3 equal charges each composed of R = 10 Ω, XC = 4Ω and XL = 10Ω. a) Calculate the phase, line and load currents b) Calculate the phase, line and load voltages c) Calculate the powers of Apparent (S), Real (P) and Reactive (Q) delivered by the generator d) Calculate...
A 4-pole, 60Hz, three-phase synchronous motor with a synchronous reactance of 0.5 Ω is working at half load with torque of 20 N-m. Assume ?? = 120∠00 ? (phase voltage). When working at the full load, the equivalent field voltage is Ef = 100 V (phase voltage). a) Draw the per-phase equivalent circuit and label the parameters (5 Points) b) Determine the power consumed by the half load (5 Points) c) Calculate the armature current and active power consumed, at full...
A three-phase generator connected in a star generates a phase voltage of Vθ = 24 KVrms and supplies a three-phase transformer connected in star. The transformation ratio is 115: 1. Each of the three coils of the secondary transformer feed 3 equal charges each composed of them by R = 18Ω, XC = 2Ω and XL = 20Ω. a) Calculate the phase, line and charge currents after the b) Calculate the phase, line and load voltages c) Calculate the Apparent...
(4) Three single-phase AC loads draw power from the same 12020으 kms source. Load 1 draws 120 w at a lagging PF of 0.75, Load 2 draws 75 VA at a leading PF of 0.6 and Load 3 draws 100 VA at a leading PF of 0.8. Determine the complex power consumed by each load. Calculate the rms current phasor for each load. a. b.