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Digital Meters Testing

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Testing Procedures

  • Calibrate the meter at different values.
Download: Meters Test Format

Equipment Required

  1. Injection Kit (Freja).
  2. ​Connection Cables (Banana Type). 
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FREJA 300
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Test Switch (ABB)
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Connection Cables

Meter Calibration Test

  • Connection will be same as the shown figure.
  • Adjust meter CT & VT ratio.     (Refer to meter manual)
  • Inject AC current with different values (25%, 50%, 75% & 100%).
  • Inject AC voltage with different values (25%, 50%, 75% & 100%).
  • Calculate the meter error accuracy at each value.
Picture
Connection Circuit

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  • Home
    • Site Map
    • About Substations
  • Formats
    • Auxiliary Relays
    • Equipments Formats
    • Protection Formats >
      • Energization Tests
    • Functional Test Format
  • Manuals
  • Software
  • Support
    • Testing & Commissioning
    • Test Procedures
    • Relays Calculations
    • Relays Configuration
    • Tutorials
    • References
    • Label Design
  • Blog
  • About Me