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QUESTION 14 If the average power is 70 W and the pf is 0.89, what is...
For 1000 W and 0.83 pf lagging, which is the correct expression for complex power? 1200Z33.9°...
For 1000 W and 0.83 pf lagging, which is the correct expression for complex power? 1200Z33.9° VA O 1000Z33.9°VA O 10002 – 33.9°VA O 1200L - 33.9°VA
rgure 3 represents a load consisting of a resistance and an inductance. The average power, Pav...
rgure 3 represents a load consisting of a resistance and an inductance. The average power, Pav 65 kW at a PF of 0.85 lagging. The input voltage is 120LO Vrms at a frequency of 60 Hz. (e) Determine the reactive power, o. 2 without the caracitor e Capac (b) Determine the complex power, with the apuutor (c) Determine the compensated reactive power, Qcomp if the compensated PF is 0.95 lagging. (d) Calculate the compensated complex power, Scomp. (e) Using the...
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)...
Obtain the overall impedance for the following cases: a. P 1000 W, pf 0.8 (leading), Vms...
Obtain the overall impedance for the following cases: a. P 1000 W, pf 0.8 (leading), Vms 110 Volt b. S 5000 60° VA, V 120245° volt 1. 2. For the circuit shown in figure P-02, determine: a. The total load power factor, and power factor angle! b. The average power delivered by the source C. The complex power absorbed by the load 2 S2 16245° v + 10 C2 Figure P-02
Part B. Improved Power System Connected to a Parallel Load Capacitor The power factor pf (0.87914...
Part B. Improved Power System Connected to a Parallel Load Capacitor The power factor pf (0.879140208874799) for the system in Part A needs to be improved up to 0.95. It is suggested to connect a parallel load capacitor CD to the riginal system as seen below, while keeping the original system unchanged. RD V1 CD LD G) Find the power factor angle 8B in degrees for the improved power system with the capacitor: Co) Submit Answer Tries 0/3 (k) Find...
VO) L1 L2 Line VO LI Power Calculations Learning Goal: In this tutorial, you will practice...
VO) L1 L2 Line VO LI Power Calculations Learning Goal: In this tutorial, you will practice the calculation of power in circuits containing loads, including the effects of non-ideal transmission lines, and practice how to improve the power factor for an entire system. Many appliances (eg., hair dryers, coffee makers, and refrigerators) and industrial loads are powered by AC sources. The ability to be able to calculate their power needs is important in a number of situations. Before completing this...
QUESTION 4: AC POWER - PF CORRECTION points) The voltage and current for a load Z...
QUESTION 4: AC POWER - PF CORRECTION points) The voltage and current for a load Z are given by Vrms = 120290° and IRMS = 40230 Volts and Amps respectively; F-60 Hz. Do the following: • Determine the load Z6 • Determine the PF • State whether this is a leading/lagging PF. • Determine the Power delivered to the Load (Watts) • Sketch the power triangle and include all relevant information (quantities, units etc.) • What type of element must...
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...
Please answer ALL PARTS of this question. 1) Calculate the three line currents . Enter its...
Please answer ALL PARTS of this question.
1) Calculate the three line
currents . Enter its magnitude in A
2) Calculate the three line currents . Enter its phase angle in degrees
3) Calculate the phase voltage at terminal of the load. Enter its
magnitude in V
4) Calculate the phase voltage at terminal of the load. Enter its phase
angle in degrees
5) Calculate the line voltage at the load. Enter its magnitude in V
6) Calculate the line...
4. Figure shows a power source that feeds a 100 kVA 14/2.4 kV transformer through a...
4. Figure shows a power source that feeds a 100 kVA 14/2.4 kV transformer through a feeder with impedance of 100/60° Ω Load 90 kw 0.85 PF lagging Feeder transmission line) Source Transformer Load The transformer has been tested to determine its equivalent circuit. The results of the tests are: Open-circuit test Voc = 14 kV oc 0.1 A Рос-800 w Short-circuit test Vsc 800 V Isc = 7A Psc 2 kW The load on the transformer is 90 kW...
For 1000 W and 0.83 pf lagging, which is the correct expression for complex power? 1200Z33.9° VA O 1000Z33.9°VA O 10002 – 33.9°VA O 1200L - 33.9°VA
rgure 3 represents a load consisting of a resistance and an inductance. The average power, Pav 65 kW at a PF of 0.85 lagging. The input voltage is 120LO Vrms at a frequency of 60 Hz. (e) Determine the reactive power, o. 2 without the caracitor e Capac (b) Determine the complex power, with the apuutor (c) Determine the compensated reactive power, Qcomp if the compensated PF is 0.95 lagging. (d) Calculate the compensated complex power, Scomp. (e) Using the...
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)...
Obtain the overall impedance for the following cases: a. P 1000 W, pf 0.8 (leading), Vms 110 Volt b. S 5000 60° VA, V 120245° volt 1. 2. For the circuit shown in figure P-02, determine: a. The total load power factor, and power factor angle! b. The average power delivered by the source C. The complex power absorbed by the load 2 S2 16245° v + 10 C2 Figure P-02
Part B. Improved Power System Connected to a Parallel Load Capacitor The power factor pf (0.879140208874799) for the system in Part A needs to be improved up to 0.95. It is suggested to connect a parallel load capacitor CD to the riginal system as seen below, while keeping the original system unchanged. RD V1 CD LD G) Find the power factor angle 8B in degrees for the improved power system with the capacitor: Co) Submit Answer Tries 0/3 (k) Find...
VO) L1 L2 Line VO LI Power Calculations Learning Goal: In this tutorial, you will practice the calculation of power in circuits containing loads, including the effects of non-ideal transmission lines, and practice how to improve the power factor for an entire system. Many appliances (eg., hair dryers, coffee makers, and refrigerators) and industrial loads are powered by AC sources. The ability to be able to calculate their power needs is important in a number of situations. Before completing this...
QUESTION 4: AC POWER - PF CORRECTION points) The voltage and current for a load Z are given by Vrms = 120290° and IRMS = 40230 Volts and Amps respectively; F-60 Hz. Do the following: • Determine the load Z6 • Determine the PF • State whether this is a leading/lagging PF. • Determine the Power delivered to the Load (Watts) • Sketch the power triangle and include all relevant information (quantities, units etc.) • What type of element must...
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...
Please answer ALL PARTS of this question.
1) Calculate the three line
currents . Enter its magnitude in A
2) Calculate the three line currents . Enter its phase angle in degrees
3) Calculate the phase voltage at terminal of the load. Enter its
magnitude in V
4) Calculate the phase voltage at terminal of the load. Enter its phase
angle in degrees
5) Calculate the line voltage at the load. Enter its magnitude in V
6) Calculate the line...
4. Figure shows a power source that feeds a 100 kVA 14/2.4 kV transformer through a feeder with impedance of 100/60° Ω Load 90 kw 0.85 PF lagging Feeder transmission line) Source Transformer Load The transformer has been tested to determine its equivalent circuit. The results of the tests are: Open-circuit test Voc = 14 kV oc 0.1 A Рос-800 w Short-circuit test Vsc 800 V Isc = 7A Psc 2 kW The load on the transformer is 90 kW...
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