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Motors & Generators - Induction Application Pages

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Three-phase induction motor startup (T.E.A.M. Problem 30A)

This is an example of a three-phase induction motor. In MagNet, this IM is simulated and analyzed using the Transient 2D with Motion solver. The method and results presented here displays the characteristics of the machine during startup. In this analysis, no load or friction is specified

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Thermal Analysis of an Induction Motor

In order to predict machine temperatures, the design of the electric machine needs to take thermal factors into account. In this example, a 4kW IM machine is chosen to demonstrate the new thermal analysis features within MotorSolve.

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Single-phase induction motor (T.E.A.M. Problem 30B)

Presented is a half-model of a single-phase induction motor which has a periodic boundary condition on the plane of symmetry. It was simulated using the MagNet transient 2d with motion solver in a single transient run, as a velocity-driven problem..

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Simulating a Skewed Induction Machine in 2D

By definition, skewing is a three-dimensional feature and usually requires lengthy 3D simulations. Fortunately, MagNet has unique mesh capabilities which make it possible to accurately model skew using the powerful 2D solver and a multi-slice approach.

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Reducing the start-up transients of an induction motor

There are a number of techniques to significantly reduce the duration of start-up transients using the right initial conditions with MagNet. These powerful features are applied to the simulation of an induction machine. These methods can all be automated by scripting as well.

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PWM analysis of an Induction Motor

The PWM feature of MotorSolve IM is designed to assist the machine engineer to gauge the performance of induction motors for realistic drive circuits. To this end, 3-phase bridge circuits with delta and space vector modulation (with Wye/Delta connection) options are offered that allow the user to calculate a large array of entities and compare results with ideal drive simulation. The methodology and some examples of results using PWM simulations are presented in this application page.

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Motion analysis of an Induction Motor

When induction machines operate under magnetic saturation, analytic approximations are unable to accurately predict performance. Fine changes may also be very difficult to model analytically. Hence, at this stage, FEA based analysis is usually the method of choice by machine engineers. An automated FEA-based dynamical simulation option has been included in MotorSolve IM for this purpose. This application page provides some details of this analysis option along with some examples.

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Designing Induction Motors

MotorSolve IM is a comprehensive tool within which modeling, design iteration and design validation can be carried out for induction machines. To facilitate this, user friendly and powerful modeling features as well as multiple types of analysis options of varying degrees of approximation and complexity have been implemented. These include equivalent circuit based analysis, AC analysis, PWM and dynamical motion simulations. Provided below is a summary of MotorSolve IMs’ modeling and analysis capabilities.

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