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

Course overview