Electric Power Metering for Single and Three Phase Systems

person icon Graham Van Brunt

Electric Power Metering for Single and Three Phase Systems

Presents the fundamentals of instrument and metering in utilities and industry

updated on icon Updated on Sep, 2023

language icon Language - English

person icon Graham Van Brunt

architecture icon Business,Operations,Electricity


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Course Description

This course concentrates on the electricity meter, electric meter, electrical meter, energy meter, or kilowatt-hour meter which is a device that measures the amount of electric energy consumed by a residence, a business, or an electrically powered device.

Electric meter or energy meter measurements, the total power consumed over time are examined.

Electric meters installed at customers' premises for billing and monitoring purposes are examined from the electric utility perspective. The typical calibrated billing units are developed, the most common one being the kilowatt-hour (kWh) and how they are read once each billing period.

If desired, some meters may measure demand, and the maximum use of power in some intervals. "Time of use" metering allows electric rates to be changed during the day, to record usage during peak high-cost periods and off-peak, lower-cost, periods.

Single-phase and three-phase metering measurements are also covered.

Learning Outcomes:

  1. Graduates of this course will be familiar with the following:
  2. What is Electric Power
  3. AC & DC Power
  4. Voltage Current, & Power Vectors (Phases)
  5. Capacitive & Inductive Loads
  6. Real Reactive & Apparent Power (Watts, Vats, VA)
  7. The Dynamometer Wattmeter
  8. The Energy Meter
  9. Instrument Transformers (Current & Voltage CT's & PT's)
  10. 3-Wire, Single-Phase Metering
  11. Polyphase Energy Meters
  12. 3-Wire, Single-Phase Metering with CTs & PTs
  13. Metering a 3 Phase 4 Wire Load ("Y" Connected)
  14. Metering a 3 Phase 3 Wire Load (Delta Connected)
  15. Metering Measurement Standards
  16. Blonde's Theorem
  17. Phase & Line Relationship

Who this course is for:

  • Electrical Power Systems Managers, Engineers, Technologists, Maintenance Workers, Students in Engineering
  • Anyone who wants to learn power & energy measurement of a three-phase system


What will you learn in this course:

  • The student will understand the physics of electrical power and the instrumentation involved in measuring single and three-phase power flow.

  • Example: Understanding digital & analog Watt meters, Kwhr Meters, and polyphase connections.


What are the prerequisites for this course?

  • You should have a basic understanding of single and three-phase power systems.

  • You should have a basic understanding of an electrical three-phase power system.

Electric Power Metering for Single and Three Phase Systems


Check out the detailed breakdown of what’s inside the course

9 Lectures
  • play icon Basic Metering Introduction 01:03 01:03
  • play icon Power & Energy 14:54 14:54
  • play icon AC Power 50:38 50:38
  • play icon Instrumentation 39:28 39:28
  • play icon Single Phase Metering 34:09 34:09
  • play icon Instrument Transformers 32:47 32:47
  • play icon Three Phase Metering 42:23 42:23
  • play icon Cross Wattmeter Verification 32:24 32:24
  • play icon Resources

Instructor Details

Graham Van Brunt

Graham Van Brunt

With an entire career in the power sector of engineering, Graham graduated from Queen's University coupled with subsequent studies with Wilfrid Laurier University to travel the globe and apply his skills and garner his protection and control experience internationally. 

His passion for staying in touch with his profession and his kinship for mentoring has kept him in front of an audience of learners.

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