Appendix C
AVTMTTR25 Rev C April 2008
63
Notes to Table C-4
Transformer terminal markings for power transformers marked in accordance
with requirements of
Australian Standard 2374, Part 4-1982
.
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.
