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Given: A 12.5 kV circuit has a load of 8000 kVA with a lagging power factor...
5 500 2 12.5Z-10 kV --517502 - Dj 750 0 Given: A 12.5 kV circuit has...
5 500 2 12.5Z-10 kV --517502 - Dj 750 0 Given: A 12.5 kV circuit has a load consisting of 500 2 of resistance in series with 750 2 of inductive reactance. A capacitive reactance of -1750 2 is placed in parallel with the whole load. Required: What is the apparent power and power factor that must be provided by the source? Solution: IS = KVA PF= 1% OLagging, O Leading or, O Unity Power Factor.
A three-phase feeder has line voltage of 13.8 kV and supplies load of 7000 kVA at...
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.
Phasor17 364012 7.620°kV | |-jX. 2j1280 22 Given: A 7.6 kV circuit has a load consisting...
Phasor17
364012 7.620°kV | |-jX. 2j1280 22 Given: A 7.6 kV circuit has a load consisting of 640 22 of resistance in series with 1280 2 of inductive reactance. Required: How much parallel capacitive reactance is needed to correct the power factor to 0.96 lagging? Solution: Xc = 's Submit this value If you are not ready to submit the answer now, you can print this, work it off-line, then log in again to submit the answer. As long as...
8. (15 points) Assume we have a 100 kVA load with power factor pf= 0.8 lagging,...
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 three-phase load of 15 kVA with a PF of 0.8 lagging is connected in parallel...
A three-phase load of 15 kVA with a PF of 0.8 lagging is connected in parallel with a three-phase load of 36 kW at 0.6 PF leading. The line-line voltage is 2000V. a) Find the total complex power and power factor. Is it inductive or capacitive? b) How much kVAR is needed to make the PF unity? c) What is the magnitude of the current going into the total load?
An industrial load absorbs 400 KVA at a power factor inductive of 40% at 5 KV...
An industrial load absorbs 400 KVA at a power factor inductive
of 40% at 5 KV and 60 HZ power line. To improve the power factor up
to 85% inductive, what should be the Q delivered and the value of
necessary capacitor to connect in parallel with that industry?
Problem #5: An industrial load absorbs 400 KVA at a power factor inductive of 40% at 5 KV and 60 HZ power line. To improve the power factor up to 85%...
A 500 kVA load has a power factor of 90% lagging and is supplied by a 480 V source
A 500 kVA load has a power factor of 90% lagging and is supplied by a 480 V source. Determine the three line currents.
A 3-φ Y connected source supplies 12 kVA with a power factor of 0.8 lagging to a parallel
A 3-φ Y connected source supplies 12 kVA with a power factor of 0.8 lagging to a parallel combination of a Y load and a Δ load. If the Y load consumes 5.6 kVA at a power factor of 0.75 lagging and has phase-a current of 8 Arms and the angle of the current is -30°, determine the phase impedance of the Δ load. Real part of the impedance of the Δ load in Ohms: Imaginary part of the impedance of the...
4.7. Consider a three-phase, 12.47 kV system supplying a 600 kVA load, pf 0.8 lagging. Determine...
4.7. Consider a three-phase, 12.47 kV system supplying a 600 kVA load, pf 0.8 lagging. Determine the instantaneous power (a) per phase, and (b) in total.
5.3. Given a 600 kVA 12.47 kV 0.85 pf lagging three-phase load: a. Compute the corresponding...
5.3. Given a 600 kVA 12.47 kV 0.85 pf lagging three-phase load: a. Compute the corresponding complex power. b. Compute the corresponding wye and delta complex impedances Answers: a) S3p - (510 j316.1)kVA,S10 (170 +j105.4)kVA b) Zy (220.3+1 36.5), (660.9j409.5)2
5 500 2 12.5Z-10 kV --517502 - Dj 750 0 Given: A 12.5 kV circuit has a load consisting of 500 2 of resistance in series with 750 2 of inductive reactance. A capacitive reactance of -1750 2 is placed in parallel with the whole load. Required: What is the apparent power and power factor that must be provided by the source? Solution: IS = KVA PF= 1% OLagging, O Leading or, O Unity Power Factor.
Phasor17
364012 7.620°kV | |-jX. 2j1280 22 Given: A 7.6 kV circuit has a load consisting of 640 22 of resistance in series with 1280 2 of inductive reactance. Required: How much parallel capacitive reactance is needed to correct the power factor to 0.96 lagging? Solution: Xc = 's Submit this value If you are not ready to submit the answer now, you can print this, work it off-line, then log in again to submit the answer. As long as...
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
An industrial load absorbs 400 KVA at a power factor inductive
of 40% at 5 KV and 60 HZ power line. To improve the power factor up
to 85% inductive, what should be the Q delivered and the value of
necessary capacitor to connect in parallel with that industry?
Problem #5: An industrial load absorbs 400 KVA at a power factor inductive of 40% at 5 KV and 60 HZ power line. To improve the power factor up to 85%...
4.7. Consider a three-phase, 12.47 kV system supplying a 600 kVA load, pf 0.8 lagging. Determine the instantaneous power (a) per phase, and (b) in total.
5.3. Given a 600 kVA 12.47 kV 0.85 pf lagging three-phase load: a. Compute the corresponding complex power. b. Compute the corresponding wye and delta complex impedances Answers: a) S3p - (510 j316.1)kVA,S10 (170 +j105.4)kVA b) Zy (220.3+1 36.5), (660.9j409.5)2
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