EveTheBear8577 EveTheBear8577

13-06-2024
Physics

Answered

(1) A two-pole, 50-Hz,6.6-, cylindrical rotor three-phase, star-connected synchronous motor is working under the constant field current and is drawing 1000W with a leading power factor of 0.8. The synchronous impedance is equal to the 1.5+12 phase. Calculate the power factor and output torque (shaft torque) when the input power increases to 1500W (Neglecting the rotational and mechanical losses).
(2) A 460-,60-Hz, 4-pole, three-phase induction machine with the following parameters is connected to a three-phase voltage source inverter (VSI) which implements the field-oriented control (FOC) scheme in synchronous reference frame. If the rotor speed is 1000rpm, the motor will deliver the maximum torque to the load under constant air-gap flux (equal to the machine-rated flux). What is the amplitude and frequency of the stator phase current?
A. Stator resistance: 0.087.
B. Stator leakage reactance: 0.302.
C. Magnetizing inductance: 13.08.
D. Rotor resistance: 0.228.
E. Rotor leakage reactance: 0.302.

Answer :

Other Questions

Rewrite the following sentence to remove the phrase "there are." (Don't make other changes to the sentence; and make sure to use correct spelling and punctuatio

Find the amplitude, period, and phase shift of the function.[tex]\[ y = -4 \cos \left(3x - \frac{\pi}{4}\right) + 3 \][/tex]Give the exact values, not decimal a

How does the balanced biosynthesis and trigger threshold contribute to the double adder mechanism of cell size control?

______ psychoanalytical theory, focused on the benefits of play in terms of social and emotional development

What is the most important sense for driving?A. HearingB. TouchC. SightD. Smell

Describe how the War on Poverty affected early childhood education.

Identify the part of speech that is underlined in the following sentence:_Ouch!_ I have a splinter in my finger.A. ConjunctionB. NounC. PronounD. Interjection

The magnitude, [tex]M[/tex], of an earthquake is defined to be [tex]M = \log \left(\frac{I}{S}\right)[/tex], where [tex]I[/tex] is the intensity of the earthqua

Mr. Jackson wants to assess his first-grade students' phoneme skills. Which diagnostic assessment will require assistance from a school psychologist, speech-lan

Where must any food that is expired, damaged, or unsafe to use be stored?A. Inside a walk-in cooler B. In the employee locker room C. Beside the curbed mop si

the speed of light is about 3x10^8 m/s what is the speed of light in kilometers per hour

What is Thanksgiving Day?

Each week, Marcia travels to the office where she works, the supermarket , and a local fitness center. The three locations represent the vertices of a triangle.

Ron had 20 apples. He used 2/5 of the apples to make pies. How many apples did Ron use for pies?

4. South Carolina responded to the Intolerable Acts by __________. (1 point) holding small “tea parties” in Charles Town and Georgetown sending representatives

Which example best represents the adhesion, cohesion, and surface tension of water?

Which of the following statements about slavery is true? A. It began with the Spanish and Portuguese transatlantic slave trade. B. It had existed all over the w

The word turkey is said to come from the Hebrew word "Tukki" which means: (a) Big Bird (b) Pheasant Bird (c) Wild Bird (d) Turk's Bird

Explain how to do 5n+3+4n=30

Which words make up the adverb phrase in this sentence? In colonial days, there were no fire departments. A. no fire B. In colonial days C. fire departments D.