Efficient motor control and power conversion system
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Team MotorBoard. Efficient Motor Control and Power Conversion System. Critical Design Review 24 February 2009 Nicholas Barr, Daniel Fargano, Kyle Simmons, Marshall Worth. Overview. Purpose and Specifications. Provide a general purpose motor power system and controller

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Efficient Motor Control and Power Conversion System

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Efficient motor control and power conversion system

Team MotorBoard

Efficient Motor Control and Power Conversion System

Critical Design Review

24 February 2009

Nicholas Barr, Daniel Fargano, Kyle Simmons, Marshall Worth


Overview

Overview


Purpose and specifications

Purpose and Specifications

  • Provide a general purpose motor power system and controller

  • More specifically will be used in the IEEE Future Energy Challenge ‘09

    • 30 N-m Cold Torque

    • 3000 Rpm 3-5 seconds

    • 1 KW Power

    • NEMA Frame 56


Motor requirements

Motor Requirements


Torque characteristics

Torque Characteristics


System description

System Description


System diagram

System Diagram


Control system

Control System


Control algorithm

Control Algorithm


Vector controller

Vector Controller


Clark transform

Clark Transform


Park transform

Park Transform


Efficient motor control and power conversion system

PWM


Crossworks

CrossWorks

Code written for Development board using CrossWorks


Power system

Power System


Power system overview

Power System - Overview


Power system cascaded b b

Power System – Cascaded B/B


Power system 3 inverter

Power System - 3φ Inverter


Power system switches

Power System – Switches

  • Power MOSFET

    • high-frequency operation

    • low-voltage drop (low power losses)

    • saturation temperature sensitivity

  • IGBT

    • low drive current

    • fast switching time

    • higher voltage drop (higher conduction losses)

  • IGBT w/Diode Co-pack

  • Voltage - Collector Emitter Breakdown (Max):600V

  • Current - Collector (Ic) (Max):85A


Power system driver

Power System – Driver

  • Configuration:High and Low Side, Independent

  • Bootstrap circuit designed to prevent gate voltage from dropping below minimum gate threshold voltage


Power system driver1

Power System – Driver


Dc dc bi directional buck boost

DC-DC Bi-Directional Buck-Boost


Simulated 3 phase waveforms

Simulated 3 Phase Waveforms


Simulated 3 phase waveforms1

Simulated 3 Phase Waveforms


Sensors

Sensors


Parts list mass production

Parts List – Mass Production


Division of labor

Division Of Labor


Project milestones

Project Milestones


Questions

Questions?


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