Calculate power factor of the motor at no load

Assignment Help Electrical Engineering
Reference no: EM131202873

Two-wattmeter method is used to measure the power taken by a 3-phase induction motor on no load. The wattmeter readings are 375w and -50w.

Calculate;
i)power factor of the motor at no load

ii)phase difference of voltage and current in two wattmeters.

Reference no: EM131202873

Questions Cloud

Determine the reading of the two wattmeters : if the power factor of the motor be changed to 0.866 lagging. - Determine the reading of the two wattmeters, the total power remaining unchanged.
Evaluate strategies for addressing these challenges : Using scholarly sources such as your textbook and professional journal articles that you find in the University Library, research the two problems mentioned by the manager. What does the field of I/O say about these types of problems or issues? Wh..
What is the rms value of the voltage : Some AC voltmeters provide dBm readings which are based on a 600 Ω reference resistance in addition to the l mW reference power. If an AC voltmeter reads 16 on its dBm scale, what is the rms value of the voltage that corresponds to this reading?
What is burnout and what factors contribute to an employee : MGMT708 T0216 ASSESSMENT GUIDELINES - What is burnout and what factors contribute to an employee's perception of burnout in the workplace (e.g., personal characteristics, characteristics of their job, and the work environment)?
Calculate power factor of the motor at no load : Calculate power factor of the motor at no load. - Calculate phase difference of voltage and current in two wattmeters.
Discuss the main tenets of each theory : Create a 2- to 3-page brochure including graphics, on traditional psychodynamic theories. Describe personality. Discuss the main tenets of each theory, how they apply to personality and behavior, and the strengths and limitations of each theory.
Find the power absorbed by the machine : Two-wattmeter method is used to measure the power absorbed by a 3-phase induction motor.- Find the power absorbed by the machine. - Find load power factor.
Maintenance department and personnel department : Tommy and Baxter company has two service departments, Maintenance Department and Personnel Department, and two producing departments, A and B. The Maintenance Department costs of $240,000 are allocated on the basis of standard service hours used. Usi..
Explains why people commit domestic violence : In a 3-5 page paper, select and describe one of the theories that you feel best explains why people commit domestic violence. Strongly support the theory with detailed information and at least four examples

Reviews

Write a Review

Electrical Engineering Questions & Answers

  How long does it take for sopranos voice to reach listeners

a) How long does it take for the soprano's voice to reach the listener b)In the same time interval, how far form the soprano has the sound wave in the auditorium traveled. Take the speed of sound to be 340 m/s.

  Asperities of the interface region

To ensure a reproducible thermal contact resistance between the chuck and the wafer from cycle-to-cycle pressurized helium gas is introduced at the center of the chuck and flows (very slowly) radially outward between the asperities of the interfac..

  How fast is the truck moving in km per hour

A 1000.0 kg car is moving at 15 km/h. If a 2000.0 kg truck has 18 times the kinetic energy of the car, how fast is the truck moving in km/h

  Factors that adversely influenced water quality

Experts claim that the water supply system in the U.S. is the safest and most drinkable in the world. Write a research report on factors that have adversely influenced water quality in other parts of the world.

  Design a logic circuit for a simple automobile door

Your circuit should output a signal X that can be used to turn a buzzeron or off, where high implies on. The buzzer should be on if theignition is on and if the door is open or the seat belt is notfastened. Draw your logic circuit and construct a ..

  Design a multistage op amp based amplifier that has a gain

Design a multistage op ampbased amplifier that has a gain of -900 V/V and a bandwidth of atleast 120 kHz. You have Op Amps with unity gainbandwidths of 2 MHz and 3 MHz. Each has a slewrate of 6 V/ms.

  Design the circuit using mfb topology

determine the transfer function of a 4th order lowpass butterworth filter with a 3-dB cutoff frequency of 3.4 kHz and passband gain=1. Design the circuit using MFB topology. Design two sections with an order of 2.

  Determine range of k that ensures the system is bibo stable

Given the characteristic equation: F(z) = z^3 + z^2 + kz - 0.5 = 0 a) Use the Jury test to determine the range of "k" that ensures the system is BIBO stable. Show any inequality graphs and how they are combined to determine the valid range of k.

  Simulate the designed circuit with controller

Design a proportional-integral (PI) controller (recommend to use matlab siso toolbox) so that phase margin of the loop transfer function should be over 35o, and the crossover frequency is no larger than 10kHz - Analytically determine and draw t..

  What do you envision as the future of this device

What do you envision as the future of this device?

  Express the complex number 3-j5 in the form aejphi

Develop a solution to the following using Matlab. Generate your solution using a script.  1. Solve a. For x=3p/4, compute ejx b. Log10(xy) with x=19 and y=29 c. Find the Y1/5 with Y=924

  Estimate the heat dissipated from the finned

Estimate the heat dissipated from the finned and the unfinned surface areas of cylinder body.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd