50-413-545Power Quality for Meter Technicians-Module Ten
Course Information
Description
This course will focus on various power quality topics including harmonics, non-linear loads and stray voltage.  Apprentices analyze how the aforementioned affect metering accuracy, transformer sizing, and customer equipment.
Total Credits
1
Course Competencies
  1. Explain regulations and standards driving power quality
    Assessment Strategies
    Oral, Written and/or Skill Assessment
    Criteria
    review PSC 113 Rules pertaining to power quality
    review IEEE Standards
    define the CBEMA Curve
    calculate voltage drop related to motor starts and loading

  2. Assess the effect of poor power quality on customer equipment
    Assessment Strategies
    Oral, Written and/or Skill Assessment
    Criteria
    identify possible power quality concerns
    analyze how customer equipment is affected
    analyze economic impact on customers
    identify proper mitigation techniques

  3. Assess the effect of non-linear loads on voltage and current waveforms
    Assessment Strategies
    Oral, Written and/or Skill Assessment
    Criteria
    identify examples of non-linear load
    analyze non-linear loads their their affect the voltage and current waveform
    analyze harmonic distortion and how this can affect equipment and electric distribution systems
    identify proper mitigation techniques

  4. Evaluate current and voltage distortion
    Assessment Strategies
    Oral, Written and/or Skill Assessment
    Criteria
    define THD
    define Crest Factor
    identify proper measurement equipment and properties

  5. Examine stray voltage
    Assessment Strategies
    Oral, Written and/or Skill Assessment
    Criteria
    define stray voltage
    examine the causes and effects of stray voltage
    identify the elements of a Stray Voltage Investigation

  6. Identify sources of radio interference
    Assessment Strategies
    Oral, Written and/or Skill Assessment
    Criteria
    define utility responsibility for radio interference
    explore how interference affects communications equipment
    identify utility and non-utility causes of radio interference