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Single and Poly-phase Metering

Learning Objectives

  • State the purpose of the watt-hour meter
  • List the units of measurement used in revenue metering
  • Identify the electrical and mechanical principles of meter operation
  • Explain meter constants and their purpose
  • State the differences in single and three phase construction
  • Explain Blondel’s Theorem
  • Explain the purpose of calibrating single and poly-phase meters
  • Explain the difference between as-found and as-left information
  • Demonstrate inspection and maintenance procedures for single-phase and poly-phase meters
  • Explain the process of calibrating a single phase meter
  • Explain the process of calibrating a poly-phase meter
  • Identify the function of a solid-state digital meter
  • Explain the purpose of the rotating standard
  • Locate requirements pertaining to use of a rotating standard
  • Perform a digital meter calculation
  • Demonstrate applications for load profile data

Available in English

60 Minutes

When you complete this lesson, you will be able to discuss single and poly-phase specific meters including meter constants. In addition, you will be able to describe the process for meter reading, testing, and calibration.