U-Heart: A new concept of Fault-tolerant isolated DC-DC converter

Chair of Power Electronics CAU Kiel
13 Jul 202003:11

Summary

TLDRThe transcript highlights advancements in modular power electronics, specifically a multi-port insulated DC-DC converter designed for high reliability and efficiency in critical applications. By allowing isolated faults to maintain system operation, this innovative technology enhances availability and reduces maintenance costs. It features a self-healing strategy, enabling reconfiguration of failed components, making it suitable for fields like aerospace, data centers, and electric vehicle charging. Developed by a team at Keele University, this system reflects seven years of research aimed at creating a robust, efficient solution for modern energy needs.

Takeaways

  • ⚡ The demand for power electronics in renewable energy, electric vehicles, and aerospace is rapidly growing.
  • 🛠️ Conventional power converters can fail completely due to a single component fault, resulting in high costs.
  • 🔧 A modular converter design allows for increased availability by isolating faults to individual cells.
  • 🛡️ The 'You Heart' converter includes a self-healing mechanism that isolates faulty cells while maintaining near full power operation.
  • 📈 This design minimizes overall manufacturing outages and maintenance costs.
  • ⚙️ The converter is highly flexible and scalable, suitable for various power levels and application needs.
  • 🏭 Reconfiguration techniques, like static switches or mechanical removal of cells, enhance system adaptability.
  • ✈️ Applications include more electric aircraft, data centers, electric vehicle charging stations, and industrial microgrids.
  • 🔬 The development involved a team from Keele University, leveraging seven years of research in high-reliability power electronics.
  • 🌍 The 'You Heart' concept aims to optimize availability in critical applications, reducing downtime and enhancing operational efficiency.

Q & A

  • What is the main focus of the discussed technology in the transcript?

    -The main focus is on a modular and self-healing DC-DC converter system designed to enhance reliability and availability in critical applications such as renewable energy, aerospace, and electric vehicles.

  • How does a modular converter improve system reliability?

    -A modular converter allows the system to continue operating even if one cell fails, as the failure only affects part of the system rather than causing total system failure.

  • What happens when a fault occurs in the converter system?

    -When a fault occurs, a voltage detector isolates the faulty cell, enabling the rest of the system to continue operating at nearly full power.

  • What is the self-healing strategy mentioned in the transcript?

    -The self-healing strategy involves reconfiguring the system in case of failure, allowing it to remain fully operational with limited redundancy.

  • What are some potential applications for the 'you heart' converter?

    -Potential applications include more electric aircraft, data centers, electric vehicle charging stations, and industry 4.0 DC microgrids.

  • How does the modular design benefit safety-critical applications?

    -The modular design increases availability, which is crucial for safety-critical applications where reliability is paramount.

  • What role did Keele University play in the development of this technology?

    -Keele University provided a team of engineers and scientists who contributed their expertise in high reliability and high power electronics to develop the 'you heart' converter.

  • What technologies were utilized in designing the 'you heart' system?

    -The design incorporates state-of-the-art technologies to ensure the system is both reliable and compact.

  • What is the significance of the seven years of development mentioned?

    -The seven years of development reflect the extensive research and engineering efforts that led to the creation of a highly efficient self-healing isolated DC-DC converter.

  • Why is minimizing overall manufacturing outage important?

    -Minimizing overall manufacturing outages is important as it reduces maintenance costs and enhances the overall efficiency of critical applications.

Outlines

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Transcripts

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関連タグ
Power ElectronicsSelf-HealingDC-DC ConverterAerospaceElectric VehiclesData CentersIndustry 4.0High ReliabilityModular SystemsFlexible Design
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