What is power factor of the motor when operating at load

Assignment Help Electrical Engineering
Reference no: EM13247782

A NEMA design B, 3-phase, 60 Hz, Induction motor is rated: 60 HP, 460V, 71A, 93.0% efficiency, NEMA code G, 1180 RPM:

A. What is the power factor of the motor?

B. What is power factor of the motor when operating at 1/2 load?

Assume the reative power is the same as the in part (a) and that the efficiency is still 93 %.

C. How many poles does this motor have?

Reference no: EM13247782

Questions Cloud

How fast was car a going just before the collision : Two cars collide at an intersection. Car A, with a mass of 2000kg , is going from west to east, How fast was car A going just before the collision
Explain how many milliliters of an aqueous solution : How many milliliters of an aqueous solution of 0.202 M potassium chloride is needed to obtain 11.4 grams of the salt
What were the reasons for the surpluses during those time : How does a government budget surplus affect the U.S. economy? Identify two periods in recent history in which the United States has run budget surpluses. What were the reasons for the surpluses during those time periods?
Determine the resonant frequency : A 90 uF capacitor and a 15m H inductor are in series with a 185 O resistor, What is the resonant frequency
What is power factor of the motor when operating at load : A NEMA design B, 3-phase, 60 Hz, Induction motor is rated: 60 HP, 460V, 71A, 93.0% efficiency, NEMA code G, 1180 RPM: A. What is the power factor of the motor B. What is power factor of the motor when operating at 1/2 load
What are the potential consequences of a country having : What are the potential consequences of a country having a large overall debt? If you were in the position to implement a solution for the country’s long-term debt, what would it be and why?
Explain zinc sulfate for an experiment in lab : You need to make an aqueous solution of 0.191 M zinc sulfate for an experiment in lab, using a 125 mL volumetric flask. How much solid zinc sulfate should you add
How do protectionist trade policies affect a government : Who benefits from a tariff or quota? Who loses? Why would domestic markets benefit from protectionist trade policies? How do protectionist trade policies affect a government’s wealth and fiscal policy?
How each of these activities affects government : Describe how each of these activities affects government, households, and businesses. Describe the flow of resources from one entity to another for each activity.

Reviews

Write a Review

Electrical Engineering Questions & Answers

  Lithium ion battery technology

The paper includes Lithium ion battery technology with its advantages and disadvantages. The paper discusses about the Lithium air battery in which detailed reactions of Lithium with air including nonaqueous as well as aqueous are given.

  Power transformers and tariffs

Construction of different types of power transformer, significant energy savings

  Paper on orthogonal frequency-division multiplexing

This document is shown a paper on Orthogonal frequency-division multiplexing with advantages, disadvantages and uses.

  Function of the hmi in a scada system

This assignment contains electronics engineering questions like State the commonly found components of a SCADA (Supervisory control and data acquisition) system. and decribe the function of the HMI in a SCADA system.

  Resultant waveform of the odd harmonic series

Prepare an Excel graph showing the individual components and summated resultant waveform of the odd harmonic series resulting in an approximate square wave.

  Explain scada system

Explain the function of the HMI in a SCADA system.

  Design a 2-digit 24 second shot-clock

Design a 2-digit 24 second "shot-clock" countdown timer with pushbutton controller.

  Model a discrete-time system

To understand di erent signal models To be able to model a discrete-time system and design simple signal processing algorithms.

  Draw a relay construction diagram

Draw a relay construction diagram and briefly explain the operation of a relay.

  Frequency division multiplexing

Write a short technical report on Frequency Division Multiplexing

  Impact of electron energy

Briefly discuss the impact of electron energy, electron current and target on the Bremsstrahlung generated.

  Traffic light controller

The schematic of the traffic light controller

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