Electric Power Metering for Single and Three Phase Systems

Presents the fundamentals of instrument and metering in utilities and industry

What you'll learn
⚡ The student will understand the physics of electrical power, the instrumentation involved in the measurement of single and three phase power flow.
⚡ Example: Understanding digital & analog Wattmeters, Kwhr Meters, polyphase connections.

Requirements
❗ You should have a basic understanding of single and three phase power systems.
❗ You should have the basic understanding of an electrical three phase power system.

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 a time interval are examined.

From the Electric utility perspective, electric meters installed at customers' premises for billing and monitoring purposes are examined. The typical calibrated in 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, the maximum use of power in some interval. "Time of use" metering allows electric rates to be changed during a 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

✨ Graduates of this course will be familiar with

✨ What is Electric Power

✨ AC & DC Power

✨ Voltage Current, & Power Vectors (Phasors)

✨ Capacitive & Inductive Loads

✨ Real Reactive & Apparent Power (Watts, Vars, VA)

✨ The Dynamometer Wattmeter

✨ The Energy Meter

✨ Instrument Transformers (Current & Voltage CT's & PT's)

✨ 3-Wire, Single-Phase Metering

✨ Polyphase Energy Meters

✨ 3-Wire, Single-Phase Metering with CT's & PT's

✨ Metering a 3 Phase 4 Wire Load ("Y" Connected)

✨ Metering a 3 Phase 3 Wire Load (Delta Connected)

✨ Metering Measurement Standards

✨ Blondel’s Theorem

✨ 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.

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