2001 – 2002 Worldwide Road ShowScott Stanton, Senior Application Engineer

Motor & Drives SolutionsContents:- Motor solutions with RMxprt- RMxprt coupling with Simplorer and SPICE- Motor solutions with Maxwell 2D Transient- Optimization in RMxprt- Motor Solutions with Maxwell 3D

RMxprt - BLDC Motor Design

RMxprt Results

RMxprt to 2D Transient Link

2D Transient Setup

Phase windings

Driving circuit

Control circuit

2D Transient Results

RMxprt link to Simplorer

Bring RMxprt model icon into Simplorer

Simplorer Simulation Results

Phase currentsTorque

Source current

Drive System Model with IGBTs& State Machine Control

Drive System ResultsTorque

Phase currents

RMxprt Model of SRM

Geometry exportedto Maxwell 2D

Model exportedto Maxwell SPICEand Simplorer

Simplorer Model and Results

Linear Induction Motors for Large Transit Systems

Active Part of the Motor

Linear Induction Motor ExampleMotor Description:

- 4 stator poles, 12 slots, 3 phases

Stationary Back iron Stationary Aluminum plate

Moving Stator Vacuum Band

A -A A -A-C C -C CB -B B -B Direction of linear motion

Background

Phase Current Assignment and Mesh Example

A -A A -A-C C -C CB -B B -B

Calculation of Electromachanical Quantities

Tangential Force Normal Force

PositionPower loss

Magnetic Field Results

Flux lines distribution

Induced currents inaluminum plate

Study of magneticsaturation

Additional Magnetic Flux Density Results

Spatial distributionin air gap at fixed time

Graph of magnetic flux density magnitude at fixed location

Maxwell 2D Transient Analysis of Shaded Pole Motor

End-ring setup in the rotor

Shading pole turn setup

Shaded Pole Motor Results

Torque

Main winding current Shading poles currents

Optimization in RMxprt

Input variables

Output variables

RMxprt Parametrics / Optimization Setup

RMxprt ParametricsResults

Nominal project results

Parametrics results

RMxprt Optimization Results

Original

Optimized

Maxwell 3D Analysis of Stepper Motor

Magnetic Field Results