Please answer in typing format an ideal 120V 0.3 hp motordraws an apparent power of 270W from the source determine itspower factor

Step 1: we know that 1hp=736 watt.given that 0.3 hp=220.8 watt,Step 2: we know that mechanical…

Answered: an ideal 120V 0.3 hp motor draws an…

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter7: Alternating Current, Power Distribution, And Voltage Systems

Section: Chapter Questions

Problem 12RQ

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You are an electrician working in an industrial plant. A 30-hp three-phase induction motor has a current draw of 36 amperes at full load. The motor is connected to a 480-volt line. A three-phase wattmeter indicates a true power of 22 kW. Determine the power factor of the motor and the amount of capacitance needed to correct the power factor to 95. Also determine the minimum voltage rating of the capacitors. The capacitors are to be connected in wye.
Determine the complex power for the following a. P = 269 W and Q = 150 VAR (capacitive) b. Q = 2000 VAR and pf = 0.9 leading c. S= 600 VA and Q = 450 VAR (inductive) d. Vrms 220 V, P = 1kW and |Z| = 40 2 (inductive)
O d. 1.02% Clear my choice The product of the r.m.s. voltage V and the r.m.s. current I is termed the reactive power Q Select one: O True O False An 8 kVA motor operates at a 0.75 power factor, the real power is then:
Determine the complex power for the following cases: (a) P = 269 W, Q = 150 VAR (capacitive) (b) Q = 2000 VAR, pf = 0.9 (leading)
Find the Apparent Power (rounded to 2 significant digits) for the following circuit: VT = 120V RMS, R1 = 1k0, R2 = 8200, XC1 = 1202, xC2 = 5002, XL1 = 3300 C1 R1 R2 C2 L1 24VA O 1.9VA O 15VA O 6.5VA
A constant current of 2.8 A exists in a resistor. The rms value of current is A.
what is average power delivered to R4
1.12. A certain load takes 10 kW at 0.5 pf lagging when connected to a 230-V, 60-Hz source. The supply company charges a penalty when the power factor falls below 0.8. What size of capacitor must be used in order to avoid the penalty?
An impedance coil takes 10A and absorbs 250 W when connected across a 220V, 60Hz source. What power will it absorb when connected across 110 V, 25 Hz mains? a. 539 W b. 239 W c. 439 W d. 339 W
5 The voltmeters in the figure measure RMS voltages. If V, = 23 V and V, = 14.5V what is V3? %3D C R eee V2 V3 23 V None of them 8.5 V 4.5V 37.5 V O 14.5 V
A small facility has two 20 kW of incandescent lights and three 25 kW motors that have a power factor of 80%. What is the power factor of the combined load?
A circuit having power factor of 0.8 consumes 40 W. What will be the value of reactive power of the circuit ?

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an ideal 120V 0.3 hp motor draws an apparent power of 270 W from the source determine its power factor