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Educational unit ETT-120

By means of the templates (12), and connectors (never more than 9), the following three-phase transformer confi gurations may be obtained:

  • T-E-1 Template: Triangle-Startime phase difference 1
  • T-E-5 Template: Triangle-Startime phase difference 5
  • T-E-11 Template: Triangle-Startime phase difference 11
  • T-2E Template: Triangle-Double Star
  • T-T-0 Template: Triangle-Triangle-time phase difference 0
  • T-Z-0 Template: Triangle-Zig/Zag-time phase difference 0
  • E-E-0 Template: Star-Star- time phase difference 0
  • E-E-6 Template: Star-Star- time phase difference 6
  • E-T-5 Template: Star-Triangletime phase difference 5
  • E-T-11 Template: Star- Triangletime phase difference 11
  • E-Z-5 Template: Star-Zig-Zagtime phase difference 5
  • E-Z-11 Template: Star-Zig-Zagtime phase difference 11

The input/output terminals are printed on all the labels. Each one of the six secondary windings is fi tted with a thermal protection circuit with a light indicator, set at 0.65 A.

Required accessories:

  • TRI-120 three phase transformer didactic module.

DESCRIPTION

Equipment for analysing the different types of connections on three-phase transformers.

It is composed of an ETT-120 three-phase transformer multitemplate unit and a set of 12 templates.

The unit incorporates three single phase transformers, each of which has two secondaries of an identical transformation ratio (0.5/1). The nominal voltage for the primary windings is 22v and 11V for the secondary ones.

 

FEATURES

By means of the templates (12), and connectors (never more than 9), the following three-phase transformer confi gurations may be obtained:

  • T-E-1 Template: Triangle-Startime phase difference 1
  • T-E-5 Template: Triangle-Startime phase difference 5
  • T-E-11 Template: Triangle-Startime phase difference 11
  • T-2E Template: Triangle-Double Star
  • T-T-0 Template: Triangle-Triangle-time phase difference 0
  • T-Z-0 Template: Triangle-Zig/Zag-time phase difference 0
  • E-E-0 Template: Star-Star- time phase difference 0
  • E-E-6 Template: Star-Star- time phase difference 6
  • E-T-5 Template: Star-Triangletime phase difference 5
  • E-T-11 Template: Star- Triangletime phase difference 11
  • E-Z-5 Template: Star-Zig-Zagtime phase difference 5
  • E-Z-11 Template: Star-Zig-Zagtime phase difference 11

The input/output terminals are printed on all the labels. Each one of the six secondary windings is fi tted with a thermal protection circuit with a light indicator, set at 0.65 A.

Required accessories:

  • TRI-120 three phase transformer didactic module.

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