A (21 HP, 3-Phase, 380 volts) motor with an efficiency of 95% is operating at a load factor of 0.63. What is the input current (Amperes) when the power factor is 89%? (1 HP 0.75 kW)

Q: There is a 3 HP, 220 Vrms single - phase induction motor that operates with a 0.85 lagging power…

A: Given Data  Power Output, PO/P=3HP Power Factor = 0.78 RMS value of Voltage, Vrms=220V Efficiency =…

Q: What is the least power requirement for a motor capable of lifting 500 lb at a constant speed of 15…

A: Weight = 500 lb Velocity = 15 ft/s Using power, weight and velocity relation

Q: Determine the maximum locked-rotor current for a Code F, 120-volt, single- phase, 3-H P motor.

A: To find: The maximum locked-rotor current for a Code F, 120-volt, single- phase, 3-H P motor.

Q: what is unit impulse response?

A: Impulsive excitations are considered to be a large magnitude force that acts over a very short time…

Q: What is the minimum pulley diameter for a 1 HP motor running at 1750 RPM?

A: Given data:

Q: What is the peak voltage of an AC circuit which has an RMS voltage of 115V?

A: RMS value: The effective or equivalent DC (direct current) of the RMS value represents the value of…

Q: Describe a washer machine motor you have experience with. What is it being used for, what power…

A: given; Describe a washer machine motor you have experience with. What is it being used for, what…

Q: Does the motor constant depend on the angular speed? Does motor efficiency n = Vemf depend on the…

A:

Q: The following data were obtained on a 50 kVA 2400/120 V transformer : Open circuit test, instruments…

A: Given   Open circuit test, instruments on low voltage side : Waltmeter reading = 396 Watts Ammeter…

Q: What are external impulses?

A: When a body is acted by a force or system of forces which causes the change of state of the body as…

Q: You are Working as a plant electrician. You were told that a large DC motor was returned from the…

A:

Electrical Motor

An electric motor can be described as an electrochemical machine that transforms electrical energy into mechanical energy. This mechanical energy is utilized to revolve the pump, fan, and impeller, operate compressors and lift bodies. The motors employed in industries operate on 70% electrical load.