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RT Box

DEMO MODEL

Vector Control of an Induction Machine

Last updated in RT Box Target Support Package 2.1.5

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Summary of Contents for PLECS RT Box

Page 1: ...PLECS and PLECS Coder trial license Get the latest RT Box Target Support Package Check the PLECS and RT Box documentation RT Box DEMO MODEL Vector Control of an Induction Machine Last updated in RT Box Target Support Package 2 1 5 ...

Page 2: ...ww plexim com Two PLECS RT Boxes and one PLECS and PLECS Coder license The RT Box Target Support Library Follow the step by step instructions on configuring PLECS and the RT Box in the Quick Start guide of the RT Box User Manual Three 37 pin Sub D cables to connect the boxes front to front Note that this demo model is targeted at two RT Boxes application with one running the Plant and the other ru...

Page 3: ...r box The DC voltage source Vi with Vdc 400 V supplies the VSI which is represented by three IGBT Half Bridge power modules The six switching signals are brought into the subsystem by a PWM Capture block from the PLECS RT Box component library The measurements of the DC voltage and the AC current are exported out of the subsystem by Analog Output ports The rotor angular position and rotational spe...

Page 4: ...in the dq frame which rotates syn chronously with the rotor flux The values of LM LσS and RR are calculated from the original machine parameters which can be found in the initialization commands of the model see Note above in Sec tion 1 Vsd LM RR Rs Rs RR IMd Vsq Figure 4 Equivalent circuit of the induction machine in the dq frame The PI controllers for the d and q axis currents are included in th...

Page 5: ...e subsys tem Transform 3 Simulation This model can run both in offline mode on a computer or in real time mode on the PLECS RT Box For the real time operation two RT Boxes referred to as Plant and Controller need to be set up as demonstrated in Fig 7 using three DB37 cables Please follow the instructions below to run a real time model on two RT Boxes From the System tab of the Coder options window...

Page 6: ...nge will be captured by the scope in the Plant subsystem as shown in Fig 8 Stator Currents Electrical Torque Te Current A 200 0 200 Time s 1 15 1 20 1 25 1 30 1 35 1 40 1 45 Torque Nm 0 100 200 300 Current 3ph Meter 1 Current 3ph Meter 2 Current 3ph Meter 3 Electrical torque Figure 8 Transient response of a step change of the torque reference in the controller 4 Conclusion This model demonstrates ...

Page 7: ...Vector Control of an Induction Machine References 1 R De Doncker D Pulle and A Veltman Advanced electrical drives Springer 2011 www plexim com 6 ...

Page 8: ...b RT Box Demo Model 2002 2021 by Plexim GmbH The software PLECS described in this document is furnished under a license agreement The software may be used or copied only under the terms of the license agreement No part of this manual may be photocopied or reproduced in any form without prior written consent from Plexim GmbH PLECS is a registered trademark of Plexim GmbH MATLAB Simulink and Simulin...

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