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Capacitors

Capacitors

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The book chapter presents the main capacitor technologies, giving a particular emphasis on capacitors commonly used in power converters. The main capacitor diagnostic techniques developed to date are then reviewed in the following sections. Finally, a summary, challenges and future research directions is presented.

Chapter Contents:

  • 5.1 Capacitor technologies
  • 5.1.1 Electrolytic capacitors
  • 5.1.2 Film capacitors
  • 5.1.3 Ceramic capacitors
  • 5.2 Aluminium electrolytic capacitors
  • 5.2.1 Al-Caps equivalent circuit
  • 5.2.2 Al-Caps failure modes
  • 5.3 Metalized polypropylene film capacitors
  • 5.3.1 MPPF-Caps equivalent circuit
  • 5.3.2 MPPF-Caps failure modes
  • 5.4 Fault diagnostic techniques
  • 5.5 Off-line measurement techniques
  • 5.5.1 Off-line measurement techniques based on the injection of a sinusoidal current
  • 5.5.2 Off-line measurement techniques based on a charge–discharge circuit
  • 5.5.3 Frequency and temperature multipliers
  • 5.5.4 Off-line fault diagnostic techniques
  • 5.6 On-line fault diagnostic techniques
  • 5.6.1 On-line fault diagnostic techniques based on ESR estimation
  • 5.6.2 On-line fault diagnostic techniques based on ESR and C estimation
  • 5.6.3 On-line fault diagnostic techniques based on C estimation
  • 5.7 Quasi-online fault diagnostic techniques
  • 5.8 Summary
  • 5.8.1 Off-line fault diagnosis techniques
  • 5.8.2 On-line fault diagnosis techniques
  • 5.8.3 Quasi-online fault diagnosis techniques
  • Acknowledgement
  • References

Inspec keywords: capacitor storage; equivalent circuits; fault tolerance; power capacitors; fault diagnosis

Other keywords: power capacitor; power converters; fault tolerance; capacitors technologies; capacitors diagnostic techniques; electrical machines; power electronics

Subjects: Other power apparatus and electric machines; Storage in electrical energy; Other energy storage

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