Instrument Transformers - Videos and Related Books



This 31-minute video explains what instrument transformers are and how they are typically used. Describes different methods of connecting current transformers (CTs) and voltage transformers (VTs) in single-phase and polyphase service.

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.

Item Code: INT
Instrument Transformers - Instant Video
Watch this video now. Subscribers can watch more than 200 T&D videos any time, as often as they wish. If you're an instructor, we'll set up a virtual classroom for you. Contact us. More info
Instrument Transformers - DVD
Show this video in your classroom, or load it on your company server so all your workers can watch and benefit. More info

$ 145.00

Instrument Transformers - Study Guide
This book reinforces learning from the video. It has informative text and color pictures throughout. Also a good resourse for learning on your own. A handy, compact book. Approximately 40 pages. More info

$ 15.00

Instrument Transformers - Instructor Guide
Supplementary classroom exercises with quizzes for every session. Approximately 30 pages. More info

$ 15.00