An industrial load is known to be inductive and consumes 90 KW. The ammeter reading is 260 A ms, and the voltmeter reading is 480 V ms. What is the power factor of the load?
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- The real power delivered by a source to two impedances, Z1=4+j5 and Z2=10 connected in parallel, is 1000 W. Determine (a) the real power absorbed by each of the impedances and (b) the source current.A single-phase, 120V(rms),60Hz source supplies power to a series R-L circuit consisting of R=10 and L=40mH. (a) Determine the power factor of the circuit and state whether it is lagging or leading. (b) Determine the real and reactive power absorbed by the load. (c) Calculate the peak magnetic energy Wint stored in the inductor by using the expression Wint=L(Irms)2 and check whether the reactive power Q=Wint is satisfied. (Note: The instantaneous magnetic energy storage fluctuates between zero and the peak energy. This energy must be sent twice each cycle to the load from the source by means of reactive power flows.)Let a voltage source v(t)=4cos(t+60) be connected to an impedance Z=230. (a) Given the operating frequency to be 60 Hz, determine the expressions for the current and instantaneous power delivered by the source as functions of time. (b) Plot these functions along with v(t) on a single graph for comparison. (c) Find the frequency and average value of the instantaneous power.
- Type your question here A power plant has to meet the following load demand: Load A: 100 MW from 8 AM - 6 PM Load B: 150 MW from 6 AM - 10 AM Load C: 50 MW from 6 AM - 10 AM Load D: 20 MW from 10 AM - 6 AM Plot the daily load curve and determine (a) diversity factor (b) load factor (c) daily energy produced.AC electrical circuit is below: (refer picture below) a. Determine the current flowing in the load. b. If it is desired that the system power factor be 0.9. With system frequency = 50 Hz. Determine how large the capacitor is must be installed? Which one is correct? A/B/others answer A. C = 7.7015 mF B. C = 35.243 µF c. Please Draw all the phasor. Please give complete, details, and correct answer. Please do step by step, draw the phasor Please using handwriting (not typing ). THANK YOU, I WILL GIVE MANY THUMBS UP.Problem : In the case of an industrial load with a power factor of 0.707 lagging, consuming 100 kW, and the line voltage at 60 Hz is 480Vrms, with a line resistance of 0.1Ω between the power company's transformer and the load, calculate the amount of power saved if the load's power factor changes to 0.94 leading. The answer is "3.771 Kilo-Watt has been saved" and also I want to know the concept of 'Power Factor'.
- A transmission line with impedance of 0.085 + j 0.32 Ω is used to deliver power to a load. The load is inductive and the load voltage is 200∠0° Vrms at 60Hz. If the load operates at 20 kVA with a power factor of 0.75 determine the real and quadrature power losses in both the load and the line and the source voltage phasor.Two alternators running in parallel supply the following loads at 4.4kVwhich are:700 kW at unity pf500kVAR at 0.8 pf lag300 kVA at 0.85 pf leadIf alternator A is adjusted to carry an armature current of 120A at 0.85 pflag. Compute for the following:Current in alternator BReal power in alternator BPower factor in alternator BAn industrial assembly hall is continuously lightedby one hundred 40-W mercury vapor lamps suppliedby a 120-V and 60-Hz source with a power factor of0.65. Due to the low power factor, a 25 percent penaltyis applied at billing. If the average price of 1 kWh is$0.01 and the capacitor’s average price is $50 permillifarad, compute after how many days of operationthe penalty billing covers the price of the power factorcorrection capacitor. (To avoid penalty, the powerfactor must be greater than 0.85.)
- A residential four-wire system supplies power at220 V rms to the following single-phase appliances:On the first phase, there are ten 75-W bulbs. On thesecond phase, there is a 750-W vacuum cleaner with apower factor of 0.87. On the third phase, there are ten40-W fluorescent lamps with power factor of 0.64.Finda. The current in the netural wire.b. The real, reactive, and apparent power for eachphase.An industrial plant has an aggregate load of 99 kW. The demand factor is 54 %. If the average total energy consumption of the plant in one year is 185 MWh, what is the yearly load factor of the plant? (Note: Aggregate is synonymous to Connected Load).A residential four-wire system supplies power at 220 V rms to the following single-phase appliances: On the first phase, there are ten 60-W bulbs. On the second phase, there is a 1-kW vacuum cleaner with a power factor of 0.9. On the third phase, there are ten 23-W compact fluorescent lamps with power factor of 0.61. Find a. The current in the neutral wire. b. The real, reactive, and apparent power for each phase.