Modeling, Simulation, and Experimental Investigation of HighFrequency Effects in Power Electronics B

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Modeling, Simulation, and Experimental
Investigation of High-Frequency Effects in Power
Electronics Based Systems

• Energy Systems Analysis Consortium
• VTB Review - June 1999

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Traditional Detailed SimulationSimulation of
the Circuit Diagram

• Uses
• Approximate Steady State System Waveforms
• Evaluate System Wide Transient Performance
• Verify Dynamic Stability
• Assumptions
• Idealized Switching Elements (On/Off)
• Neglect All Circuit Parasitics
• Neglect All High Order Effects
• Electrons Can Read and Will Cooperate

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Need For High Frequency AnalysisSimulation of
Whats Not

• Semiconductor Switching Stress
• Common Mode Currents
• EMI With Control Circuitry
• Electric Insulation Breakdown at Machine
  Terminals
• Mechanical Failure of Bearings Due to Fluting
• Loss Analysis

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Multi-Resolutional Simulation Approach to Power
Electronic Based Systems (PEBS)

• Dual Mode Simulation
• Standard Detailed Simulation
• High Frequency Simulation
• Seamless Integration of Simulation Modes
• H.F. Models
• Wide Bandwidth Electric Machine Models
• Behavioral Semiconductor Models
• Good Parasitic Models

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Work Conducted

• Wide Bandwidth Multi-Resolutional Model of
  3-Phase Surface Mounted PMSM Machine (Year 12)
• New Behavioral IGBT Model (Year 12)
• New Behavioral Diode Model (Year 3)
• Multi-Resolutional Transmission Line Model (Year
  3)
• Vehicle Analysis (Year 3)
• Web Based Component Model Library (Year 3)
• IPS Like Power/Propulsion System (Year 3)

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Multi-Resolution PMSM Model
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Sample Drive System
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Hardware Validation - SRM (7.6)
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Hardware Comparison - HRMPhase Current (85k)
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Hardware Comparison - HRMPhase Current (51s)
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Multi-Resolutional T-Line Model
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Drive Overvoltages
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New Behavioral IGBT Model
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Validation Test Set Up
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Turn-On Waveforms
Predicted
Measured
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Turn Off Waveforms
Predicted
Measured
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Behavioral Diode Model
Time-Varying Parallel Capacitor-Resistor Model
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Comparison of Behavioral Model and Experiment
(Reverse Bias)
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Sample Application ARCP Design
Hard Switched
ARCP Switched
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Low to High Transition (from switch)
High Resolution
Low Resolution
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Vehicle EMI from Component Modeling

• Determine ICM ZCM (to machine) - measurements
  or modeling
• Use EM field modeling (Finite-Difference,
  Time-Domain) to determine radiated fields
• Have demonstrated this approach in shielding
  enclosure modeling in high-speed digital design
• Suitable for vehicles, ships, submarines, aircraft

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Example Chassis Geometry
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EMI - FDTD Modeling and Measurements
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Component Library Websitehttp//www.ece.umr.edu/
esac
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Specific Models (Macros)

• Include link to source code
• Provide link to example in which model is used

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Examples Include...

• Parameters
• CSL File
• CMD File
• Runtime Study
• Links to Macros

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IPS 4160 V System
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IPS DC-ZEDS System
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IPS Like Power/Propulsion System
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Sample Study
AC 4160 volt Bus Volt age (V)
Power Supply Voltage (V)
Generator Q-Axis Current (A)
Power Supply Current (A)
Motor Drive Motor Speed (rads/sec)
Generator D-Axis Current (A)
Propulsion Motor Drive Torque (Nm)
Motor Drive Motor Torque (Nm)
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Publications

• J.T. Tichenor, S.D. Sudhoff, J.L. Drewniak,
  Behavioral IGBT Modeling for Prediction of High
  Frequency Effects in Motor Drives, Proceedings
  of the 1997 Naval Symposium on Electric Machines,
  July 28-31, 1997, Newport, RI, pp.69-75.
• K.A. Corzine, J.T. Tichenor, J.L. Drewniak, S.D.
  Sudhoff, High Frequency Characterization of a
  3-Phase Induction Motor, Proceedings of the 1997
  Naval Symposium on Electric Machines, July 28-31,
  1997, Newport, RI, 251-256
• S.D. Sudhoff, J.Tichenor, J. Drewniak,
  High-Frequency Performance, Characterization,
  and Modeling of Brushless DC Motor Drives,
  Proceedings of the 1998 Naval Symposium on
  Electric Machines, October 26-29, 1998,
  Annapolis, MD, pp. 201-210.
• J.L. Tichenor, J.L. Drewniak, S.D. Sudhoff,
  Modeling, Simulation, and Experimental
  Investigation of High-Frequency Effects in Power
  Electronics Based Systems, Proceedings of the
  1998 SAE Aerospace Power Systems Conference, pp.
  163-171.
• J. Tichenor, S.D. Sudhoff, and J.L. Drewniak,
  Behavioral IGBT Modeling for Predicting High
  Frequency Effects in Motor Drives, accepted for
  IEEE Transactions on Power Electronics.
• S.D. Sudhoff, J.L. Tichenor, J.L. Drewniak,
  Wide-Bandwidth Multi-Resolutional Analysis of a
  PM Synchronous Machine, accepted for IEEE
  Transactions on Energy Conversion.