A 3-phase industrial load is supplied from a 33kV feeder. The load is consuming 500kVA at 33kV at 0.65 power factor lagging. Find Pi and Qi.
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- An industrial load consisting of a bank of induction motors consumes 50 kW at a power factor of 0.8 lagging from a 220-V,60-Hz, single-phase source. By placing a bank of capacitors in parallel with the load, the resultant power factor is to be raised to 0.95 lagging. Find the net capacitance of the capacitor bank in F that is required.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.Let a 100V sinusoidal source be connected to a series combination of a 3 resistor, an 8 inductor, and a 4 capacitor. (a) Draw the circuit diagram. (b) Compute the series impedance. (C) Determine the current I delivered by the source. Is the current lagging or leading the source voltage? What is the power factor of this circuit?
- A DC-DC Chopper Circuit with an RL Load has an output current waveform shown below with a duty cycle of 50% and 1ms period. If it has a resistance of 1ohm and an inductance of 10mH, find the source voltage. 5A 2A ton toff output _currentYou have been asked to investigate the loading effects on an alternator supplying a load and also charging a car battery at the same time. The output of the alternator has been rectified to smooth dc, and the circuit is shown below. Using Kirchhoff analysis, determine the initial current in each section along with its direction and the potential difference across the load.. Given: An inductive load draws an apparent power of 5 kVA at a lagging power factor of 0.75. The load voltage is 1.2 KVRMS at 60 Hz. A 5-uF capacitor is connected in parallel to the load. Find: What is the new power factor of the system? -. Given: You have a complex inductive load that is dropping 240 VRMS. The operating frequency is 60 Hz. The current in the load is 9.615 ARMS. The load is dissipating 1.5 kW of average power. Find: Determine the value of a capacitor to attach in parallel with the load to change the load such that its power factor is 1.0.
- d. 565.685 V If a Load absorbs 20 kVA at a leading power factor of 0.6. Then the complex power is: Select one: O a. 12000 - j16000 VA O b.-12000 + j16000 VA O c. 12000 + j16000 VA O d. None of these Given the circuit below and the associated set of voltages and currents, the reactive Power developed by im voltage source is FENG300 MINTERMLance Smile operated two loads in parallel. The loads draw a total of 3kW at a 90% power factor lagging operating at a 230 Vrms 60-hz voltage source. Load 1 is taking 1000 W at 80% power factor lagging. Determine the following: a. The power factor of the second load. b. If a capacitor is connected in parallel with the loads, what is the value of the capacitance needed to correct the power factor to 95% lagging for the combined load.An impedance load consisting of 12 ohms resistance and 16 ohms inductance reactance is connected across a 50 Hz, 100 V source. Find the capacitance of the condenser which may be paralleled with this load to bring the power factor to 0.80 leading.
- An AC voltage of 230 v is applied to a circuit consisting of a resistance of 10 ohms in series with an inductive reactance of 7 ohms. Find the power, reactive power and the power factor of the circuit. If a capacitor is connected in parallel with the RL series circuit of the preceding problem and if this capacitor supplies 1000 var, find the true power and the reactive power supplied by the 230 v source and find the resultant power factor.For the system in the figure: Find the total average power, total reactive power, total apparent power, and total power factor. Find the current Is (in phasor form). If the loads can be modeled as a resistance in series with a reactive element (capacitor or inductor), find the impedance of each load. Confirm the result of part B using the input voltage and the result of part C. ..3. A 12020⁰ Vrms is to supply power to a welder, heater and an induction motor. A welder is a coil of (4+j3) ohm, the induction motor draws 60KW with 0.8 power factor, and the heater is a resistor that draws 15KW power. Find the complex power, real power, reactive power and the total power factor that must be supplied by source. If a capacitor will be used to supply a reactive power in the circuit in order that the net load will have a unity power factor, what reactive power must be supplied by the capacitor? Draw the circuit.