Application of Filters for High-Altitude Electromagnetic Pulse Protection

Abstract

The application of filters for the protection of electrical equipment from electrical transient signals induced by high-altitude electromagnetic pulse (HEMP) is discussed, and the application of filters to ac and dc power supplies and analog and digital signal inputs is described. The application of filters is demonstrated for different types of filters; also shown are filter limitations caused by arching, source and load impedance mismatches, saturation, and parasitic reactances. The use of filters following a nonlinear terminal protection device (TPD) is shown to be a very effective means of transient energy reduction. Magnetic cores and ferrite beads can provide a simple method of high-frequency transient suppression.

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Document Details

Document Type
Technical Report
Publication Date
Apr 01, 1981
Accession Number
ADA100741

Entities

People

  • Gary L. Roffman

Organizations

  • Harry Diamond Laboratories

Tags

Communities of Interest

  • Advanced Electronics
  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Attenuation
  • Bandpass Filters
  • Circuit Analysis
  • Circuits
  • Digital Circuits
  • Electrical Equipment
  • Electronic Circuits
  • Ferrites
  • Filters
  • Insertion Loss
  • Losses
  • Low Pass Filters
  • Magnetic Cores
  • Ordnance Laboratories
  • Power Supplies
  • Semiconductors
  • Uninterruptible Power Supplies

Fields of Study

  • Engineering
  • Physics

Readers

  • Electrical Engineering
  • Image Processing and Computer Vision.
  • Optical Fiber Sensing and Electromagnetic Propagation.