• NASA MSFC STD 531 : 1978

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    HIGH VOLTAGE DESIGN CRITERIA

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    Published date:  01-01-1978

    Publisher:  National Aeronautics and Space Administration

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    Table of Contents - (Show below) - (Hide below)

    1 INTRODUCTION
    2 GLOSSARY OF TERMS
    3 ENVIRONMENT
      3.1 Spacecraft Orbit
      3.2 Pressurization
    4 PRESSURE SENSING
    5 HIGH VOLTAGE DESIGN DATA
      5.1 References
      5.2 Operating Voltage Levels
          5.2.1 Zero to 50 Volts
          5.2.2 50 to 250 Volt Peak
          5.2.3 Voltages Over 250 Volt Peak
      5.3 Gaseous Breakdown
      5.4 Environment Contamination
      5.5 Materials Data Pamphlets
      5.6 Dielectric Strength
      5.7 Insulation Life
      5.8 Field Gradients
      5.9 Voltage Distribution in Gas-Solid Dielectrics
    6 DESIGN APPLICATIONS
      6.1 Solid Insulation
          6.1.1 High Voltage Conformal Coating
          6.1.2 Encapsulation
          6.1.3 Uninsulated Circuitry
      6.2 Wiring]
      6.3 Packing Encapsulation
      6.4 Components
          6.4.1 Resistors
          6.4.2 Connectors
          6.4.3 Wire Construction
          6.4.4 Transformers
      6.5 Circuit Boards
          6.5.1 Terminations
          6.5.2 Standoffs and Feed Throughs
          6.5.3 Flashover
          6.5.4 Dielectric Strength
          6.5.5 Creepage and Tracking
      6.6 Multiple Dielectric
      6.7 Hermetric Seals
      6.8 Insulation Life
    7 TESTING
      7.1 Background
      7.2 Testing and Detection
      7.3 Equipment Testing
          7.3.1 High Voltage Testing
          7.3.2 Parts Tests
          7.3.3 Circuit Tests
          7.3.4 Systems Tests
          7.3.5 RF System Tests
      7.4 Facility and Environment
          7.4.1 Contamination
          7.4.2 Pressures
          7.4.3 Temperature
          7.4.4 Charged Particle Radiation
          7.4.5 Electromagnetic Radiation and Ionization
      7.5 Test Procedure
          7.5.1 Altitude Chamber Testing
          7.5.2 Life Testing
      7.6 Corona Detection Circuits
          7.6.1 Corona Detectors
          7.6.2 Detector Constraints
          7.6.3 Standard Corona Detection Systems
      7.7 Data Analysis
          7.7.1 Temperature Cycling
          7.7.2 Switching
          7.7.3 Prototype Tests

    Abstract - (Show below) - (Hide below)

    Electrical insulation and its application to high voltage systems have been investigated for several aerospace vehicles. These applications include communication systems and experiments for several unmanned and manned space vehicles, orbital, and reentry vehicles; and modern commercial airplane electrically/electronics system.

    General Product Information - (Show below) - (Hide below)

    Document Type Standard
    Publisher National Aeronautics and Space Administration
    Status Current

    Standards Referenced By This Book - (Show below) - (Hide below)

    NASA MSFC HDBK 670 : 1991 GENERAL ENVIRONMENTAL TEST GUIDELINES (GETG) FOR PROTOFLIGHT INSTRUMENTS AND EXPERIMENTS
    NASA JSC 08080-2 : 2015 JSC DESIGN AND PROCEDURAL STANDARDS
    NASA JSC 20793 : 2017 CREWED SPACE VEHICLE BATTERY SAFETY REQUIREMENTS
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