50-413-541 Instrument Metering for Meter Technicians-Module Six Course Information Description This module will focus on common three phase metering setups where the apprentice will match meters with services, calculate meter/billing multipliers, match meters with transformer connections, match meters with service voltage. Total Credits 1 Course Competencies (Course Outcomes) Characterize the basics of instrument transformers 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 Choose instrument transformers for various applications, service types and voltages Assessment Strategies Oral, Written and/or Skill Assessment Criteria explain Blondel's Theorem identify various meter forms determine application of instrument transformers to meter forms examine various instrument transformer applications match meter forms to service types Build a poly-phase instrument meter setting from service specifications Assessment Strategies Oral, Written and/or Skill Assessment Criteria determine information needed to design meter setting select instrument transformers and meter determine billing determinants needed from meter build setting according to standard metering drawings Analyze the purpose and process of burden testing instrument transformers Assessment Strategies Oral, Written and/or Skill Assessment Criteria define burden examine purpose of burden testing identify burden ratings identify processes for burden testing choose process to perform burden testing of instrument transformers