Application Notes

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• “Eddy Current Effects in Film Capacitors and their Impact on Interconnect Systems in High Power Applications” (pdf link)
  Presented at the Motor, Drive & Automation Systems Conference 2009
  SBE summary of Power Ring research being conducted under our DoE SBIR and description of numerous interconnect options for efficient use
• “New Inverter Layout and DC Link Capacitor Integration for Increased System Density and Performance”
  Presented at the IECON’08 – 34th Annual Conference of the IEEE Industrial Electronics Society.
  Technical Paper (pdf link)
  Presentation (pdf link)
  Discussion on the increased inverter efficiency which can be obtained by integrating the inverter switches and the DC Link capacitor into an optimized module.
• “Stacking the Power Ring for High Voltage and High Current Applications”
  From the 2007 IEEE Pulsed Power Conference.
  Technical Paper (pdf link)
  Presentation (pdf link) providing the details of the testing and design aspects in support of the above technical paper and an overview of the Power Ring stack, details on voltage grading, modularity advantages, and technical findings of the interconnect system used in the stack assembly.
• Thermal Considerations Regarding the Use of the Power Ring in High Ripple Current Applications (pdf link)
  Presentation from Motor & Drive Systems 2007; an overview of temperature rise, bus interconnect considerations, and the Power Ring’s ability to handle extreme operating conditions.
• Power Ring for embedded e-drive applications (pdf link)
  Presentation from Motor & Drive Systems 2006 regarding implementation of Power Ring with circular inverter design.
• “Reliability Considerations of Inverter/DC Link Capacitor Using PP Film and 105°C Engine Coolant”
  Presented at the IMAPS 2008 – 41st International Symposium on Microelectronics.
  Technical Paper (pdf link)
  Presentation (pdf link)
  Discussion on the possible reliability improvements using the SBE Power Ring in an Automotive Inverter application.
• Identifying and Correcting Corona Problems in AC Applications – Early Lifetime failures are a risk if Corona is allowed to exist inside the capacitor (pdf link)
  Presented at an exhibitor seminar, APEC 2009.
• Improvements in Pulse Film Capacitor Technology (pdf link)
  Presentation from APEC, February 2007. Details SBE’s patented approach to Pulse Film Capacitors for extremely demanding applications.
• Pulse Technology Overview (pdf link)
  A summary of SBE’s patented Pulse Technology product characteristics and a specific example of a popular capacitor value and specifications. Samples of this device are available for your harshest testing regime!
• Pulse Application Notes
  A highlight of factors to be considered when evaluating metallized polyester film capacitors for pulse applications. Applies to other dielectrics also.
• Current Ratings Application Notes
  Details on ripple current, ESR, temperature, frequency and other aspects to be considered when evaluating an application
• AC Voltage Ratings of Metallized Polyester Film Capacitors
  An understanding of the AC capability of metallized polyester film capacitors.
• Thermal Management Application Notes
  A detailed look at issues, and some design tips, primarily relating to polypropylene film capacitors; however the concepts discussed apply to other dielectrics as well.
• Why Specify Film/Foil Capacitors?
  • Differences between Film/Foil and Metallized Film Capacitors
  • Advantages and Benefits of the Film/Foil Design
  • Polyester and Polypropylene Film Characteristics and Applications
• Typical Temperature Characteristics (pdf link)
  Differences between Polyester and Polypropylene.
• Internal Structure of Film/Foil vs. Metallized (pdf link)
  Cross-sectional diagram of various constructions.
• Performance Comparison Between Film/Foil and Metallized (pdf link)
  Comparison between Panasonic ECW metallized polypropylene unit and the SBE Type 716P Polypropylene Film/Foil unit.
• Selecting a Film Capacitor
  A general guideline for Sine Wave or Pulse Applications.
• Capacitor Equations (pdf link)
  General capacitor equations based on sine wave or pulse applications.
• Film Capacitor Terminology
  A detailed glossary on subjects from AC Voltage ratings to Skin Effect.
• Electronic Ballast Applications
  The most reliable film caps for your ballast application.