Training Sessions
- Instrument Transformer Applications – 4 minutes Describes the main functions of instrument transformers. Identifies factors that determine when instrument transformers are required.
- Current Transformers – 7 minutes Distinguishes between bar-type current transformers and window-type current transformers. Identifies the main components of a typical current transformer. Describes how a current transformer's fixed current ratio can be determined and indicated. Describes how a current transformer's polarity can be indicated.
- Current Transformer Connections – 6 minutes Describes how two CTs can be connected in a single-phase, three-wire service. Shows how one CT can be connected in a single-phase, three-wire service. Explains how three CTs can be connected in a three-phase, four-wire service.
- Voltage Transformers – 7 minutes Identifies the components of a voltage transformer. Defines burdens and accuracy class.
- Voltage Transformer Connections – 7 minutes Describes how a voltage transformer can be connected with a single-phase primary service. Describes how voltage transformers can be connected with a three-phase primary service.
Support Materials Available
Student workbook, instructor guide.
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