480V
1473.07 kW
984.56 kVAR
PF = 0.83
Find the kVAR rating and micro farads of the capacitor required to correct power factor to 0.96.
480V 1473.07 kW 984.56 kVAR PF = 0.83 Find the kVAR rating and micro farads of...
1.2 kW 0.8 kVAR (cap) (a) In the circuit shown in Fig. Qla, find: Construct the power triangles for the loads. (ii) Find the overall complex power consumed in the loads. (iii) Find the current lo. 100/90° v (rms) 2 kVA 0.707 pf leading 4 kW 0.9 pf lagging Fig. Qla (b) [This part has no connection to part (a)] Find the value of the parallel capacitance needed to correct a load of 140 kVAR at 0.85 lagging pf to...
QUESTION 3 3.1 A single-phase 39 kW, 380 V, 50Hz induction motor operates on full load with an efficiency of 89% and at a power factor of 0.809 lagging. Three identical parallel- connected capacitors are used to raise the power factor to 0.96. 3.1.1 Calculate the kVAr rating of the capacitor bank. (9) 3.1.2 Calculate the capacitance of each capacitor. (6) [15]
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 facility with a demand of 700 kW has a power factor of 0.72 . The facility is charged a penalty due to the power factor being less than 0.82 , To ensure the facility will never again pay a power factor penalty, what size of capacitor is needed to correct the power factor to 85%? 240.8 kVAR 260.2 kVAR 290.5 kVAR 350.6 kVAR
1.) 480/277V PF = 0.68 KW Load = 975 Find P, Q, S, I, PF, Angle 2.) Then correct PF to 0.96 and Find P, Q, S, I, PF, Angle
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.
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
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.
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.
Oweba Find the total ca in micro farads of the of s shown in the figure below 5.0 80 HE 3.5 l Reading 19.7 XP 006 8. -2 points (a) what voltage (in kv) must be applied to the 5,00 uF capacitor of a heart kv Type here to search