ZuoTi.Pro
Question

A network operates at f=50 Hz that has different loads connected in series and this network...

A network operates at f=50 Hz that has different loads connected in series and this network has a current of 10 Arms. The two loads in the system are: Z1=30 angle 15 degrees Ohms and Z2=40 angle 40 ohms. a) What is the Power Factor operating the source? b) What is the value of the capacitor that must be connected in the series circuit to provoke a PF of 0.9 lagging?

engineering   Electrical-Engineering   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

(hrs Inshlli 5161.9S

0 0
Add a comment
Know the answer?
Add Answer to:
A network operates at f=50 Hz that has different loads connected in series and this network...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • The following three-phase, balanced loads are connected across a three-phase, Y-connected 60 Hz source with a...

    The following three-phase, balanced loads are connected across a three-phase, Y-connected 60 Hz source with a line-to-line voltage of 480 V. The loads are described below: • Load 1: ∆-connected, total three-phase apparent power is 30 kVA at 0.95 power factor lagging. • Load 2: ∆-connected, total three-phase active power is 20 kW at 0.7 power factor lagging. • Load 3: Y-connected, phase current is 30 A, and power factor is 0.9 pf leading. (a) Calculate the total complex power...

  • A 250V, 100 Hz sinusoidal supply is connected to a parallel network comprising three branches A,...

    A 250V, 100 Hz sinusoidal supply is connected to a parallel network comprising three branches A, B, and C as follows: A, a coil of resistance 10 ohms; B, a series circuit of 5 ohms and inductive reactance of 9 ohms; C, a series circuit of 6 ohms, inductance of 50mH, and a capacitive reactance of 10 ohms. Determine a) The apparent power of the combination b) The rating and value of the capacitor to be connected in parallel to...

  • Q5: The circuit show below has two loads connected to 120 V (rms), 60Hz, house-hold supply....

    Q5: The circuit show below has two loads connected to 120 V (rms), 60Hz, house-hold supply. The load-1 is a resistive load (lamp) with a total power of 5 kW. The load-2 is a motor drawing 10 kVA at 0.6 power factor, lagging. The capacitor is initially not connected a) Calculate the load currents (phasor) I and 12 14] b) Calculate the supply current I c) What is the power factor of the source when it supplies to both loads?...

  • Example 9 Three loads are connected in parallel across 1400 V, 60 Hz supply: Load 1:...

    Example 9 Three loads are connected in parallel across 1400 V, 60 Hz supply: Load 1: 125 KVA, 0.28 PF lag Load 2: 10 kW, 40 kVAR capacitive load Load 3: 15 kW Find the total kW, kVAR, KVA, and the supply power factor . The KVAR and the capacitance in mF of the capacitor needed to improve the PF to 0.8 lagging

  • Q6. A 50 Hz, 25 kVA 7200/240 V transformer has the following equivalent circuit parameters: Prima...

    Please show full working Q6. A 50 Hz, 25 kVA 7200/240 V transformer has the following equivalent circuit parameters: Primary resistance-1562, secondary resistance-0.02 Ω Primary leakage reactance-140Q, Secondary leakage reactance-0.15Q, Magnetising reactance 30 k2, Core loss resistance 200 k2 (a) The transformer is connected to two loads in parallel. The first load is 10 kW at 0.866 power factor lagging and the second load is 15kVA with a power factor of 0.8 lagging. Find the percentage regulation and power efficiency...

  • Q6. A 50 Hz, 25 kVA 7200/240 V transformer has the following equivalent circuit parameters: Prima...

    Help me answer c and d Q6. A 50 Hz, 25 kVA 7200/240 V transformer has the following equivalent circuit parameters: Primary resistance-1562, secondary resistance-0.02 Ω Primary leakage reactance-140Q, Secondary leakage reactance-0.15Q, Magnetising reactance 30 k2, Core loss resistance 200 k2 (a) The transformer is connected to two loads in parallel. The first load is 10 kW at 0.866 power factor lagging and the second load is 15kVA with a power factor of 0.8 lagging. Find the percentage regulation and...

  • A 60-Hz single-phase AC power network is shown in the figure below with four different loads. The source voltage ES-320 0. Prior to adding the capacitor load for power factor correction, the source c...

    A 60-Hz single-phase AC power network is shown in the figure below with four different loads. The source voltage ES-320 0. Prior to adding the capacitor load for power factor correction, the source current IS-135 30 . Determine the capacitance (in μF) of the capacitive load that will make the power factor unity (pf 1.0) of the system. Enter the one best answer (as a number without the units) from the following choices: Sync 74 % 6 15 kVA 10...

  • Please show all work and concepts 5.2 (15 pts) In the following circuit, voltage source V...

    Please show all work and concepts 5.2 (15 pts) In the following circuit, voltage source V 10020° V, 60 Hz supplies power to three load circuits with impedances Z1, Z2, and Z3. The following information was deduced from measurements performed on the three load circuits Load Z1: 45 W at pf 0.95 lagging Load Z2: 70 VA at pf 0.75 leading Load Z3: 100 VA at pf = 0.6 lagging (a) Are Z1, Z2, and Z3 inductive or capacitive? (b)...

  • 10. Two loads connected in parallel draw a total of 2.4 kW at 0.8 pflagging from...

    10. Two loads connected in parallel draw a total of 2.4 kW at 0.8 pflagging from a 120-V rms, 60- Hz line. One load absorbs 1.5 kW at a 0.707 pf lagging. Determine: (a) the pf of the second load, INV 11. Calculate the line currents for the system shown in figure. Calculate also the total power and reactive power consumed by the load. w 12. For the balanced three-phase circuit in Fig.. Calculate the line currents, the phase voltage...

  • Two loads, A and B, are connected in parallel across a 1-kV-rms 60-Hz line, as shown...

    Two loads, A and B, are connected in parallel across a 1-kV-rms 60-Hz line, as shown in (Figure 1). Load Aconsumes 10 kW with a 60 percent lagging power factor. Load B has an apparent power of 20 kVA with an 80 percent lagging power factor. a) Find the power delivered by the source. b) Find the reactive power delivered by the source. c) Find the apparent power delivered by the source. d) What is the power factor seen by...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT