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Pulse Power Conversion for Medium Voltage Systems Alyona Crews, - PowerPoint PPT Presentation

Pulse Power Conversion for Medium Voltage Systems Alyona Crews, Andrew Davidson, Nell Kane & Alex Rontey SPONSOR: General Dynamics Electric Boat Outline Problem Summary Project Objective Requirements/Limitations


  1. Pulse Power Conversion for Medium Voltage Systems Alyona Crews, Andrew Davidson, Nell Kane & Alex Rontey SPONSOR: General Dynamics Electric Boat

  2. Outline Problem Summary ● Project Objective ● Requirements/Limitations ● Background/Theory ● Proposed Designs ● Rejected Designs ● Schedule ● 2

  3. Problem Summary Energy storage ● Pulse power ● Delivering Pulse power ● (1) Tesla Model P85D 3

  4. Project Objective Project objective: ● efficient pulse power conversion. Project based on Tesla Model ● (2) Tesla Model S Inverter P85D 4 (3) Tesla Model P85D

  5. Requirements/Limitations Input: 28V DC ● Desired Output: 400V, 568kW for 3.1 seconds into a ● 3-phase induction motor Modular Design ● Phase 1: MATLAB Analysis ● Phase 2: Physical Model ● Budget: $3000 ● Time: ~6 Months ● 5

  6. Background/Theory: Supercapacitors 6

  7. Background/Theory: DC-DC Conversion Boost - Raises voltage ● Buck - Drops voltage ● Boost Converter Buck Converter 7

  8. Background/Theory: 3-Phase Inverter 8

  9. Simulink Testbench 9

  10. Simulink Testbench Benchmark Performance The motor model should be similar to ● the Tesla P85D 440V 700HP 4 Pole Induction Motor ○ operating up to 18,000 rpm Peak power around 4,000 rpm ○ Develop a simple model capable of ● this performance before considering converter designs. (7) Tesla Model P85D Dyno 10 Measurements

  11. Simulink Testbench Benchmark Performance 11

  12. Proposed Designs I: Cascaded Boost Converter 12

  13. Proposed Designs II: Positive Output Superlift Converter 13

  14. Rejected Designs I & II Cascaded Bidirectional Converter Single-Stage Boost Converter 14

  15. Rejected Design III: Transformer Based Conversion Topologies 15

  16. Schedule: Fall Semester (Phase 1) 16

  17. Comments, Questions, Suggestions? Thank you for your attention! 17

  18. Sources 1) https://www.robbreport.com.sg/tesla-model-s-p85d-review-the-electric-car-is-all-about-fast-but-noiseless-acceleration / 2) https://www.latimes.com/business/autos/la-fi-hy-review-tesla-model-s-p85d-20150220-story.html 3) https://www.latimes.com/business/autos/la-fi-hy-review-tesla-model-s-p85d-20150220-story.html 4) Fang Lin Luo, Hong Ye - Power Electronics: Advanced Conversion Technologies, Second Edition-CRC Press (2018) 5) Kostiantyn Tytelmaier, Oleksandr Husev, Oleksandr Veligorskyi, Roman Yershov - A Review of Non-Isolated Bidirectional DC-DC Converters for Energy Storage Systems (2016) 6) Halper Marin S, Ellenbogen James C - Supercapacitors: A Brief Overview (2006) 7) https://www.dragtimes.com/blog/tesla-model-s-p85d-breaks-the-dyno-video

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