A 300-hp, 480-V, three-phase, 50-Hz, four-pole, 1446-rpm induction motor is driving a large ventilating fan. When it

Question:

A 300-hp, 480-V, three-phase, 50-Hz, four-pole, 1446-rpm induction motor is driving a large ventilating fan. When it is running from a VFD output of 25 Hz with a constant V/f ratio, determine:

(1) The approximate speed and

(2) The exact speed.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Introduction To Electrical Power And Power Electronics

ISBN: 9781466556607

1st Edition

Authors: Mukund R. Patel

See More Books

Question Posted: Dec 19, 2023 04:48 AM

See More Questions

A 500-hp, 460-V, three-phase, 60-Hz, four-pole, 1728-rpm induction motor is driving a large ventilating fan. When it is running from a variable-frequency drive (VFD) output of 230 V, 30 Hz with a...
Manage risk-related issues and concerns within the program. Meet with relevant program stakeholders on two separate instances, and in each instance: Go over their program-risk related issues and...
1. Based on Wild Wood Apartment scenario from (Hands-On Database, an introduction to Database Design and Development Second Edition by Steve Conger) complete the To Do activities described at the end...
The Niakwa Industries prepared the following statement of earnings and comparative statement of financial position for 2020: The Niakwa Industries prepared the following statement of earnings and...
On June 30, the end of the first month of operations, Clowney Company prepared the following income statement, based on the absorption costingconcept: Clowney Company Absorption Costing Income...
As a spherical raindrop falls, it reaches a layer of dry air and begins to evaporate at a rate that is proportional to its surface area (S = 4r). Show that the radius of the raindrop decreases at a...
Research and prepare a report on the different approaches for accounting for carbon emissions under the EU ETS.
Examine the diagram for Problem and indicate any incorrect initiation and/or transfer of documentation. What problems could thiscause? Cash Disbursemnts General Ledger Recelving Accounts Payabie...
QUESTION FOUR The increasing demand in risk management on the part of organizations has been identified as a general societal trend emphasizing public accountability and responsibility. State and...
A three-phase, 60-Hz, 100-hp, 1750-rpm induction motor is driven by a variable-frequency drive. Determine (1) The power, torque and full load speed when operating at 20 Hz and (2) The power, torque,...
A three-phase, three-cm outer diameter cable in air has a resistance of 2 m/phase per meter and carries 100-A/phase load. Determine its outside surface temperature (rise + ambient) if the ambient air...
Under what condition(s) will the system of equations in x and y have exactly one solution? + by %3D + dy 3D f
solve the given problems Let f(x) = ln(1 + x). i. Calculate the first, second, third, and fourth derivatives of f. ii. Using these derivatives, obtain the Taylor polynomials of degree n of f at b =...
Use the Chinese remainder theorem to solve: Suppose a and b are relatively prime positive integers. By Theorem 4.2 we can choose a so that ar is in any congruence class we want modulo b. For that...
The widespread use of data technology systems (e.g., machine learning, neural networks, and adaptive algorithms) in the banking industry has resulted in an increase of automated decision-making...
Generate the step response of a second order system for 10 seconds with a time step of 0.01 seconds with the following details: KDC2, Wn= = 10.66 rad sec -, and 3 = 0.187 2. Part B [1] Calculate the...
Explain what an arbitrageur would do in the following circumstances. $/SF exchange rate is $.51/SF, the Swiss risk-free rate is 4% per year, the US risk free rate is 6% per year, and a SF Call option...
In 2009, Capitol Records sued Jammie Thomas Rasset for damages after she was found liable for copyright violations when she illegally downloaded 24 songs off the Internet. Apparently, in addition to...
What is the role of business risk analysis in the audit planning process?
Determine the magnitude and coordinate direction angles of the force F acting on the support. The component of F in the x-y plane is 7 kN. F 30 40 7 kN
Determine the magnitude and coordinate direction angles of the resultant force and sketch this vector on the coordinate system. F = 80 lb 30 40 F= 130 lb
The screw eye is subjected to the two forces shown. Express each force in Cartesian vector form and then determine the resultant force. Find the magnitude and coordinate direction angles of the...
I fall into the generation mellineals . What are some characteristics of this generation as far as their work ethics go. Are there characteristics of this generatrion that can affect the way they...
You are a senior manager within a large organisation. Your role is to provide the organisation with the strategic vision of this business unit that meets organisational objectives. 1.1: ...
Does a grade point average (GPA) score truly reflect academic ability? Is it reliable and valid? Does a student's first year GPA predict his or her final year GPA?

A 300-hp, 480-V, three-phase, 50-Hz, four-pole, 1446-rpm induction motor is driving a large ventilating fan. When it

Question:

Step by Step Answer:

1 The approximate speed The synchronous speed Ns of an induction motor can be calculated using the f...View the full answer

Introduction To Electrical Power And Power Electronics

Students also viewed these Engineering questions