Two loads A and B are connected in parallel across a 2000 V-rms 60 Hz source with the specified values: a) Draw the power triangle for load A. b) Draw the power triangle for load B. c) Find the power, reactive power, and apparent power delivered by the source. d) What is the power factor seen by the source? State whether is leading or lagging. Source IS → + JAL A Absorbing 70 kW pf= 76.6 % leading IB↓ B ZB= 10/35° 2 IB= 200 √2/-35° A

Two loads A and B are connected in parallel across a 2000 V-rms 60 Hz source with the specified values: a) Draw the power triangle for load A. b) Draw the power triangle for load B. c) Find the power, reactive power, and apparent power delivered by the source. d) What is the power factor seen by the source? State whether is leading or lagging. Source IS → + JAL A Absorbing 70 kW pf= 76.6 % leading IB↓ B ZB= 10/35° 2 IB= 200 √2/-35° A

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter2: Fundamentals

Section: Chapter Questions

Problem 2.7P: Let a 100V sinusoidal source be connected to a series combination of a 3 resistor, an 8 inductor,...

See similar textbooks

Similar questions

The rms value of v(t)=Vmaxcos(t+) is given by a. Vmax b. Vmax/2 c. 2Vmax d. 2Vmax
Q2. For the circuit shown below, sketch the current waveforms iş and io and determine the Average and RMS for both currents. a = 50° TI 50 2 Vs = 300 sin 100zt ( cot T2 in cot
A 230 V, 50 Hz a.c. supply is applied to a coil of 0.06 H inductance and 2.5 resistance connected in series with a 6.8 F capacitor. Calculate impedance and power consumption and power factor. Now ,In above a.c. circuit, A inductor of 0.2H is connected in parallel with the power supply, find new power factor and power consumption.
9. A noninductive load with a resistance of 30 Q2 is connected in series with a capacitor. The capacitor has a capacitive reactance of 25 Q and negligible resistance. The series circuit is energized from a 210 V, 60 Hz source. Determine: a. the impedance of the series circuit. b. the current, in amperes. c. the loss in volts across the noninductive resistance load. d. the loss in volts across the capacitor.
3. A 12020⁰ Vrms is to supply power to a welder, heater and an induction motor. A welder is a coil of (4+j3) ohm, the induction motor draws 60KW with 0.8 power factor, and the heater is a resistor that draws 15KW power. Find the complex power, real power, reactive power and the total power factor that must be supplied by source. If a capacitor will be used to supply a reactive power in the circuit in order that the net load will have a unity power factor, what reactive power must be supplied by the capacitor? Draw the circuit.
An AC voltage of 230 v is applied to a circuit consisting of a resistance of 10 ohms in series with an inductive reactance of 7 ohms. Find the power, reactive power and the power factor of the circuit. If a capacitor is connected in parallel with the RL series circuit of the preceding problem and if this capacitor supplies 1000 var, find the true power and the reactive power supplied by the 230 v source and find the resultant power factor.
Q2. For the circuit shown below, sketch the current waveforms is and io and determine the Average and RMS for both currents. ot io Vs = 220V a = 220° + ot 1002
A single-phase AC voltage controller has a resistive load R = 10 Ohm, and the RMS input voltage is Vs = 230 V, 60 Hz. The delay angle is 120 degree. Then power factor of the circuit is: Select one: O a. 1 O b. 0.75 O c. 0.44 O d. None of the above O e. 0.9
For the system in the figure: Find the total average power, total reactive power, total apparent power, and total power factor. Find the current Is (in phasor form). If the loads can be modeled as a resistance in series with a reactive element (capacitor or inductor), find the impedance of each load. Confirm the result of part B using the input voltage and the result of part C. ..
The total power drawn by the two-impedance load in parallel is 26kW at 0.98 power factor lagging, it is being supplied by a 230-volts AC source. One of the loads (Load 1) takes 16kVA at 0.77 power factor lagging. What is the reactive power of the unknown impedance (Load 2)?
Lance Smile operated two loads in parallel. The loads draw a total of 3kW at a 90% power factor lagging operating at a 230 Vrms 60-hz voltage source. Load 1 is taking 1000 W at 80% power factor lagging. Determine the following: a. The power factor of the second load. b. If a capacitor is connected in parallel with the loads, what is the value of the capacitance needed to correct the power factor to 95% lagging for the combined load.
Suppose I have two peak phasor voltages, V, = 100245° and V, = 75Z-60°. Circle Your Choices: I. The frequencies associated with the phasors are (0 Hz, 60 Hz, 50 Hz, Unknown). II. The rms value of the first phasor is (100, 70.7, 141, 200) volts. III. If you want to add these two phasors, the frequencies must be (60 Hz, 50 Hz, The same, Integer multiples of a given frequency.)