Transformer Turns Ratio Meters

HAEFELY / Tettex

Transformer turns ratio can help to detect faulty transformer windings and defective tap changer positions. The excitation current and phase angle between the primary and secondary windings also provides additional information regarding the winding condition. The portable units from HAEFELY are ideal for acceptance testing and on-site maintenance testing of transformers according to IEEE, IEC, and ANSI standards.

Turns Ratio Models:

3 Phase, 100 V:     TTR 2795

3 Phase, 250 V:     TTR 2796

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