U line to line voltage in V from nameplate
or three phases transformers, test can be done by measuring each phase separately (phase to
phase ) and then calculating the transformer impedance according below formula
100)(
6
1
2
231312
U
S
ZZZ
mmmcc
Where:
Z
m12
= Short circuit
impedance
phase a to b
Z
m13
= Short circuit
impedance
phase a to c
Z
m23
= Short circuit
impedance
phase b to c
14.3 User interface
To access to the short circuit feature, select SC
Impedance function in the applications bar (side
bar).
You may need to press the up/down arrow buttons to view the
magnetic balance button depending on which other functions are
enabled.
14.3.1 Function keys
While in magnetic balance application, the following actions are available in the button key bar.
The buttons are case sensitive, i.e. they change according to the actual status.
Record a result while manual recording mode is used
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