Delta 4000 Manuál s instrukcemi stáhnout pdf (Strana 58)

81331 Rev 01 Nov 2010

27600 – Potential Transformer

Basic Form Information

The PF Potential Transformer form is used for power/dissipation factor testing

high voltage potential transformers, those generally rated over 5kV. Nameplate

information (serial number, ratings, etc.) should be entered which identifies the

asset being tested, and general information regarding the test conditions (test

date, weather conditions, etc.) should also be noted.

Labeling of windings and bushings vary from country to country and may also

vary within a country based on manufacturing year and more. All description

uses labeling H1, H2, H3, H0 for High side bushings. Equivalent labeling used

are e.g. 1U, 1V, 1W, 1N or A, B, C, N. Corresponding labeling for other

windings are e.g. X1, X2, X3, X0; 1U, 2V, 2W, 2N; a, b, c, n respectively Y1, Y2,

Y3, Y0, 3U, 3V, 3W, 3N.

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Delta 4000 Manuál s instrukcemi Strana 58