A single-phase electrical load draws 1000KVA at 0.8 power factor lagging. a) Find the real and...
A single-phase electrical load draws 1000KVA at 0.8 power factor lagging. a) Find the real and reactive power absorbed by the load. b) Draw the power triangle. c) Determine the KVAR of a capacitor to be connected across the load to raise the power factor to 0.95.
Homework Answers
Add Answer to:
A single-phase electrical load draws 1000KVA at 0.8 power factor
lagging. a) Find the real and...
A single Phase load draws 10 kW from a 410 V line at a power factor...
A single Phase load draws 10 kW from a 410 V line at a power factor of 0.707 lagging. Determine: (a) The rms current (b) The reactive power required by the load (c) We want to correct the power factor to be 0.9 lagging by adding a capacitor, what will be the new reactive power? (d) draw the power triangle with the old and new reactive powers
2. [15 pts total] A single-phase load draws 1 MW at 0.75 power factor lagging. a....
2. [15 pts total] A single-phase load draws 1 MW at 0.75 power factor lagging. a. [10 pts] Determine the power required from an added parallel capacitor to bring the power factor of the parallel combination up to 0.95 lagging. b. [05 pts) Determine the power required from an added parallel capacitor to bring the power factor of the parallel combination up to 0.95 leading.
A 220 kW load having 0.8 lagging power factor is supplied from a 600 V (line to line) three-phase...
A 220 kW load having 0.8 lagging power factor is supplied from a 600 V (line to line) three-phase supply. A bank of power factor capacitors is delta connected Q2. (a) Draw neat schematic diagram showing the connection of the capacitor bank in Delta connection. (b) Determine the kVAR rating of each individual capacitor needed to bring power factor to 0.9 (c) Determine the capacitance of each capacitor in μF.
A 220 kW load having 0.8 lagging power factor is supplied from a 600 V (line...
A 220 kW load having 0.8 lagging power factor is supplied from a 600 V (line to line) three-phase supply. A bank of power factor capacitors is delta connected. (a) Draw neat schematic diagram showing the connection of the capacitor bank in Delta connection. (b) Determine the KVAR rating of each individual capacitor needed to bring power factor to 0.9. (c) Determine the capacitance of each capacitor in uF.
8. (15 points) Assume we have a 100 kVA load with power factor pf= 0.8 lagging,...
8. (15 points) Assume we have a 100 kVA load with power factor pf= 0.8 lagging, and would like to correct the pf to 0.95 leading, please fill the following blanks: The real power before power factor compensation is The real power after power factor compensation is The reactive power before power factor compensation is The reactive power after power factor compensation is kW kW kVAR kVAR
An Inductive load 1 phase pulling power 6 kW on power factor 0.85 lagging and voltage...
An Inductive load 1 phase pulling power 6 kW on power factor 0.85 lagging and voltage 230 V. Find : a) Reactive power and Apparent power consumed by the load b) Load impedance c) Draw the triangle power of the load
1, Two balanced three-phase loads are in parallel. Load 1 draws 10 kW at 0.8 PF...
1, Two balanced three-phase loads are in parallel. Load 1 draws 10 kW at 0.8 PF lagging Load 2 draws 20 kVA at 0.6 PF leading a. b. The loads are supplied by a balanced three-phase 480 Vu source. (a) Draw the power triangle for the combined load. (b) Determine PF of the combined load. (c) Determine the magnitude of the line current from the source. (d) Y-connected inductors are now installed in parallel with the combined load. What value...
A three-phase load of 15 kVA with a PF of 0.8 lagging is connected in parallel...
A three-phase load of 15 kVA with a PF of 0.8 lagging is connected in parallel with a three-phase load of 36 kW at 0.6 PF leading. The line-line voltage is 2000V. a) Find the total complex power and power factor. Is it inductive or capacitive? b) How much kVAR is needed to make the PF unity? c) What is the magnitude of the current going into the total load?
A three-phase feeder has line voltage of 13.8 kV and supplies load of 7000 kVA at...
A three-phase feeder has line voltage of 13.8 kV and supplies load of 7000 kVA at power factor of 0.8 lagging. Find: The feeder current in A, real power in kW and Reactive power in kVAr. The capacitor size in kVAr to improve the power factor to 0.98. The feeder power in kW and kVA and current in A, after installing the capacitor bank.
An induction motor draws 1.0 kW at 0.8 lagging power factor from a 250 V, 60...
An induction motor draws 1.0 kW at 0.8 lagging power factor from a 250 V, 60 Hz source. [38] (a) What value of capacitance must be placed in parallel with the motor to raise the line power factor to 93% lagging? (b) With the capacitor in service, what are the magnitudes of the motor current, capacitor current, and line current? Solution:
2. [15 pts total] A single-phase load draws 1 MW at 0.75 power factor lagging. a. [10 pts] Determine the power required from an added parallel capacitor to bring the power factor of the parallel combination up to 0.95 lagging. b. [05 pts) Determine the power required from an added parallel capacitor to bring the power factor of the parallel combination up to 0.95 leading.
A 220 kW load having 0.8 lagging power factor is supplied from a 600 V (line to line) three-phase supply. A bank of power factor capacitors is delta connected. (a) Draw neat schematic diagram showing the connection of the capacitor bank in Delta connection. (b) Determine the KVAR rating of each individual capacitor needed to bring power factor to 0.9. (c) Determine the capacitance of each capacitor in uF.
8. (15 points) Assume we have a 100 kVA load with power factor pf= 0.8 lagging, and would like to correct the pf to 0.95 leading, please fill the following blanks: The real power before power factor compensation is The real power after power factor compensation is The reactive power before power factor compensation is The reactive power after power factor compensation is kW kW kVAR kVAR
1, Two balanced three-phase loads are in parallel. Load 1 draws 10 kW at 0.8 PF lagging Load 2 draws 20 kVA at 0.6 PF leading a. b. The loads are supplied by a balanced three-phase 480 Vu source. (a) Draw the power triangle for the combined load. (b) Determine PF of the combined load. (c) Determine the magnitude of the line current from the source. (d) Y-connected inductors are now installed in parallel with the combined load. What value...
An induction motor draws 1.0 kW at 0.8 lagging power factor from a 250 V, 60 Hz source. [38] (a) What value of capacitance must be placed in parallel with the motor to raise the line power factor to 93% lagging? (b) With the capacitor in service, what are the magnitudes of the motor current, capacitor current, and line current? Solution:
Most questions answered within 3 hours.
-
You are a monopolist and know that your consumers have a linear
demand curve. At what...
asked 2 minutes ago -
Which of the following are true about the strength of the
association between two variables?
1-...
asked 3 minutes ago -
Raising a heavy load requires work. Raising it in half the time
requires:
asked 8 minutes ago -
Calculate the number of valence electrons for
[Mo(C6H6)(CO)3]
asked 6 minutes ago -
MGT-201: Marketing Management
Before deciding on the structure of the channel marketers must
take several factors...
asked 8 minutes ago -
1. ACLs allow a router to control traffic within a network. The
concept is very similar...
asked 10 minutes ago -
35. When the electron in a hydrogen atom falls from its first
excited energy level to...
asked 11 minutes ago -
A man is dragging a box of mass "m" by using a rope which rests
on...
asked 27 minutes ago -
Liquid octane
(CH3(CH2)6CH3) will
react with gaseous oxygen (O2) to produce gaseous carbon
dioxide (CO2) and...
asked 29 minutes ago -
For the reaction N2(g) +
O2(g) --> 2NO(g), if the initial
concentration of NO was 0.00M...
asked 32 minutes ago -
On a recent quiz, the class mean was 75 with a standard
deviation of 2.2. Calculate...
asked 48 minutes ago -
Discuss the Coefficient of Restitution in an elastic collision
compared to the Coefficient of Restitution in...
asked 52 minutes ago