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A load consumes ? = 50 KVAR with a leading power factor of PF = 0.8. Calculate ?and ?, and draw a power triangle diagramfor this load.
1. A 3-phase load consumes 90 kW of power at a leading PF of 0.6. Assume a standard frequency of 60 Hz and the load voltage (in each phase) to be 120-Vrms- a. (6) Calculate the 3-phase complex power. b. (4) Draw the 3-phase power triangle and label all sides numerically. c. (5) Calculate the rms load current magnitude for current in each phase.
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
A 2000 kW turbine –generator of 0.85 power factor operates at the rated load. An additional load of 300kW at 0.8 power factor is added. Determine the required kVAR of capacitor to operate the turbine generator but keep it from being overloaded.
Problem 4: A plant consumes 20 kW of power. If the load power factor is 0.9 lagging, what is the angle by which the load current lags the load voltage? What is the load current, I, if the load voltage is 240/10° VrMS? Answers: 25.84,-92.59/-15.849 ARMS
2. Two alternators A and B are operating in parallel to supply power to a load 1000 kVA at 0.8 pf laggine alternator A contributes 500 KVA at 0.6 of ageing calculate the real power and power factor of & iS points) 3. A 440 V, 4-pole, 60 Ht, 3-phase wye-connected induction motor runs at 1700 rpm during the normal operation. The motor has the following data; (20 polets X, 1.2 ohms 0.89 ohms X -0.56 ohms Ra 025 ohmg...
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...
3) Abow load is power by a 60 Hz, 240V line. He power factor PF G 0.7071 lagging Caleulate the parallel Capacitance required to correct the power factor to 0.9 lagging
if a 480 v supply delivers 50 A with a power factor of 0.8 find the real power, reactive power, apparent power draw the power triangle
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.
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.