Course

50-413-540 Three Phase Circuits for Meter Technicians-Module Five
Course Information
Description
In this course the students will be presented with the principles of 3 phase electric power, including the characteristics of wye and delta connections. The fundamentals of two winding and autotransformers are examined, including various combinations of 3 phase transformer connections. The voltage, amperage and power of various three phase systems will also be analyzed.    
 
Total Credits
1
Course Competencies (Course Outcomes)
  1. Compare and contrast the benefits of three phase power
    Assessment Strategies
    Oral, Written and/or Skill Assessment
    Criteria
    describe the purpose of using instrument transformers
    identify transformer specifications and applications
    describe why current transformers should never be open-circuited

  2. Analyze various transformer connections
    Assessment Strategies
    Oral, Written and/or Skill Assessment
    Criteria
    identify alternative transformer types
    identify alternative transformer connections
    examine Wye transformer connections
    examine Delta transformer connections

  3. Differentiate between single-phase and three-phase transformer types
    Assessment Strategies
    Oral, Written and/or Skill Assessment
    Criteria
    list various transformer types and purposes
    explain three phase transformer connections and load calculations
    explain voltage and current flow in wye and delta services
    calculate voltage, amperage, and power in Wye and Delta circuits