Course

50-413-538 The Power Triangle for Meter Technicians-Module Four
Course Information
Description
This course will focus on single-phase AC circuits in relation to the definitions for AC powers: apparent power, active (real) power, and reactive power. In addition, the graphical method for ac powers, the power triangles, impedance triangles and vectors will be analyzed.
Total Credits
1
Course Competencies (Course Outcomes)
  1. Calculate power in resistive single phase AC circuits
    Assessment Strategies
    Oral, Written and/or Skill Assessment
    Criteria
    Examine resistance in single-phase AC circuits
    Examine power in relation to resistance in single-phase AC circuits
    Calculate power in purely resistive circuits

  2. Analyze power calculations in reactive circuits-kW, kVa, kVAr, and power factor
    Assessment Strategies
    Oral, Written and/or Skill Assessment
    Criteria
    Describe why the power triangle matters in utility metering
    Describe why the power triangle matters in utility power supply
    Perform power calculations
    Determine impact of power calculations on metering

  3. Determine how reactive loads affect the power supply
    Assessment Strategies
    Oral, Written and/or Skill Assessment
    Criteria
    Identify calculations for reactive loads
    Make volt calculations based on loads
    Make amp calculations based on loads
    Make reactance calculations based on loads
    Make power calculations based on loads