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![o given 5 HP RF = 0.65 lng V=2301 of = 50 Hz 2 = 90% 5:1] power triangle & Pout 5 HP = 58746 Pout 3730 W .: Pout lis 3730 0.9](http://img.homeworklib.com/questions/4d817aa0-7c88-11eb-aa65-4d06a415681f.png?x-oss-process=image/resize,w_560)
![ㅠ Sin = {4144.44 +3 43603] va Sin = 6015:7 5.7(46.45 VA ↑ Ing S = 6015:7, 043003 VAC lucous! > p=4144.44 W 5.27 c=? P.Enew=1](http://img.homeworklib.com/questions/4e00a1e0-7c88-11eb-a8a0-c3c6013c0351.png?x-oss-process=image/resize,w_560)
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Question 5 A 5.2 hp (1hp=746W) motor with a 0.65 lagging power factor and an efficiency...
A three-phase induction motor delivers 500 hp at an efficiency of 0.91, the operating power factor...
A three-phase induction motor delivers 500 hp at an efficiency of 0.91, the operating power factor being 0.76 lagging. A loaded synchronous motor with a power consumption of 100 kW is connected in parallel with the induction motor. Calculate the necessary kVA and the operating power factor of the synchronous motor if the overall power factor is to be unity. Answer should be 365 kVA, 0.274
An industrial plant consisting primarily of induction motor loads absorbs 1200kW at 0.65 power factor lagging....
An industrial plant consisting primarily of induction motor loads absorbs 1200kW at 0.65 power factor lagging. Compute the required kVA rating of a shunt capacitor to improve the power factor to 0.95 leading.
A single-phase electrical load draws 1000KVA at 0.8 power factor lagging. a) Find the real and...
A single-phase electrical load draws 1000KVA at 0.8 power factor lagging. a) Find the real and reactive power absorbed by the load. b) Draw the power triangle. c) Determine the KVAR of a capacitor to be connected across the load to raise the power factor to 0.95.
An induction motor draws 1.0 kW at 0.8 lagging power factor from a 250 V, 60...
An induction motor draws 1.0 kW at 0.8 lagging power factor from a 250 V, 60 Hz source. [38] (a) What value of capacitance must be placed in parallel with the motor to raise the line power factor to 93% lagging? (b) With the capacitor in service, what are the magnitudes of the motor current, capacitor current, and line current? Solution:
3- Two balanced Y-connected loads in parallel, one drawing 25 kW at 0.6 power factor lagging...
3- Two balanced Y-connected loads in parallel, one drawing 25 kW at 0.6 power factor lagging and the other drawing 15 kVA at 0.8 power factor leading, are supplied by a balanced, three-phase, 480-volt source. (a) Draw the power triangle for each load and for the combined load. (b) Determine the power factor of the combined load and state whether lagging or leading. (c) Determine the magnitude of the line current from the source. (d) ∆- connected capacitors are now...
Problem #1: A 25 KW motor with lagging power factor of 0.75 in a manufacturing plant...
Problem #1: A 25 KW motor with lagging power factor of 0.75 in a manufacturing plant is running from a 240V, 60 Hz. power line. The utility company is going to impose penalty on their utility bill unless they improve their power factor to 0.9 (lagging). Determine: a) The current reactive power(Q) and the improved Q of the motor b) The size of the capacitor needed for the correction of the power factor.
QUESTION 3 3.1 A single-phase 39 kW, 380 V, 50Hz induction motor operates on full load...
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]
A small industrial plant has a 1okw heating load with unity power factor and a 20KVA...
A small industrial plant has a 1okw heating load with unity power factor and a 20KVA inductive load due toa bank of induction motors with power factor o.7 lagging. If the supply is 1200V at 60Hz, determine the capacitive element required to raise the power factor to 95%. And compare the levels of current drawn from the power supply
A 30 hp 460V 3-phase motor requires 35 amps at full load. The power factor is...
A 30 hp 460V 3-phase motor requires 35 amps at full load. The power factor is 0.86 Determine the efficiency of the motor.
A 220 kW load having 0.8 lagging power factor is supplied from a 600 V (line...
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.
An induction motor draws 1.0 kW at 0.8 lagging power factor from a 250 V, 60 Hz source. [38] (a) What value of capacitance must be placed in parallel with the motor to raise the line power factor to 93% lagging? (b) With the capacitor in service, what are the magnitudes of the motor current, capacitor current, and line current? Solution:
Problem #1: A 25 KW motor with lagging power factor of 0.75 in a manufacturing plant is running from a 240V, 60 Hz. power line. The utility company is going to impose penalty on their utility bill unless they improve their power factor to 0.9 (lagging). Determine: a) The current reactive power(Q) and the improved Q of the motor b) The size of the capacitor needed for the correction of the power factor.
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]
A small industrial plant has a 1okw heating load with unity power factor and a 20KVA inductive load due toa bank of induction motors with power factor o.7 lagging. If the supply is 1200V at 60Hz, determine the capacitive element required to raise the power factor to 95%. And compare the levels of current drawn from the power supply
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.
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