The total power absorbed by a certain 3-phase load is 60 kW, the reactive power being 100 kVAR. Find the pf of the load
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The total power absorbed by a certain 3-phase load is 60 kW, the reactive power being 100 kVAR. Find the pf of the load.
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- 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?Please read questions carefully i need power factor and Reactive power of loadIf a Load absorbs 10 kVA at a leading power factor of 0.6. Then the complex power is: Select one: a. -6000 - j8000 VA b. 6000 + j8000 VÀ c. 6000 - j8000 VÀ d. None of these
- The power factor across a load is 0.57 lag. The real power across the load is 375 W. Voltage applied is 290 V. Calculate the reactive power and Capacitance needed to improve the power factor from 0.6 to 0.92.A load has a leading power factor. a) Is it a capacitive or inductive load? b) Is the reactive power positive or negative? c) Repeat for a load with lagging power factorAssume that the load resistance can be varied between 0 and 4000 Ω andthat the capacitive reactance of the load can be varied between 0 and−2000 Ω. What settings of RL and XL transfer the most average powerto the load? What is the maximum average power that can be transferredunder these restrictions?
- 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 MINTERMwhat is the reactive power absorbed by the load ZL in VAR? Assume source is in rms8. The total power supplied to a balance delta load is found in the same way as for a balance wye load. True False Either Neither 12. A load of 20 + j35 ohms is connected across a 220 V, 60 Hz supply. Find the reactive power of the load in var. 595 2420 1042 1382 13. A type of DC source where the characteristic output voltage has perfect unidirectional waveform and is based on electrochemical principle. Generator Inverter Converter Battery 14. Calculate the Rf of a circuit whose impedance is 20+j35 and current of 2A. 0.86 0.91 0.50 0.71 15. What capacitor shall be installed in parallel with a circuit to achieve a unity power factor if the reactive power of a circuit is 200VARS and the voltage is 100V. 80.45 microfarad 53.05 microfarad It's already in unity 62.45 microfarad
- A load absorbs 20 kVA at a lagging power factor of 0.6. The complex power is: Select one: O a. 20000 VA O b. 6000 + j14000 VA 10000 + j10000 VA d. 12000 + j16000 VAQuestion 6 20020°V L rms In the circuit in the figure; L load draws 15 kVA with lagging power factor 0.6. • The load L 2 draws 6 kVA with a leading power factor of 0.8. According to this; What is the value of the reactive power for the loadL ? 1 9000 O -3600 O 2700 O 12000 O 4800 O 4500 No new data has been saved. The latest contact is at16I01Problem 1 • A sinusoidal source with frequency of 60 Hz and rms-voltage of 100 V is connected to an RL load of 10 ohms and 100 uH. Find Power Factor From Calculation Find Power Factor From Plot L=10mH find power factor from calculation only