If the active power consumed by the load is 8 kW and the reactive power consumed...
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
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Q3: in the following figure find: 1. The power factor seen by the source 2- Apparent power, active power and reactive power for all loads 3- Is 1.5 kW -0.8 KVAR 1 S Load 2 200 290 V 21 5K VA 0.75 PF Leading 8K W 0.85 PF Lagging Load 1 Load 3
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
A generator is supplying two loads at 2800V and 60 Hz. The loads are: Load 1: 10 kVA, at 0.6 pf lagging. Load 2: 12 kW and 10 KVAR inductive a. Calculate the total active and reactive power, and the power factor of the load. S- S, - ST- Pr- PF-
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.
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.
(a) Calculate the value of I, as shown in Figure 2(a) [12 Marks) *12 LOAD 2 Real Power P=16 kW Power Factor 0.85 lagging Vs LOAD 1 Real Power P=12 kW Power Factor 0.866 leading 2202 0° V LOAD 3 Reactive Power Q = 20 KVAR Power Factor 0.6 lagging Figure 2(a)
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.
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...
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.