Megger AVTMTTR100 - Page 54

M
AVTMTTR100-ENG Rev 6 Nov 2015
46
Notes to Table 5-4
Transformer terminal markings for power transformers marked in accordance
with requirements of Australian Standard 2374, Part 4-2003.
Definition of Symbol Designations
A
2
, B
2
, C
2
External terminals on HV transformer winding (A
x
, B
x
, C
x
).
a
2
, b
2
, c
2
External terminals on LV transformer winding (a
x
, b
x
, c
x
).
N External neutral terminal on HV transformer winding.
n External neutral terminal on LV transformer winding.
* Inaccessible neutral point on HV or LV transformer winding.
HV Nameplate voltage rating (line-to-line) of HV transformer winding.
LV Nameplate voltage rating (line-to-line) of LV transformer winding.
A, B, C Winding tested on HV side of transformer.
a, b, c Winding tested on LV side of transformer.