The simultaneous winding magnetisation method (patented)
together with the integrated DC power-supply guarantees fast
and reliable winding resistance measurements. The 7” touch
screen full graphical interface guides the operator through the
single test procedures.
Independent currents can be selected for each winding, which
guarantees reliable results even in transformers with large
differences between windings.
WINDING RESISTANCE
With one optional temperature probe (available for liquids and
magnetic), results can be automatically referenced to any target
temperature (for example 75°).
The AC power supply integrated in the 2293 allows full
automatic measurement of turns and voltage ratio, ratio
deviation, phase displacement and excitation current of
transformers.
Arbitrary phase shifts or those that do not follow the 30°
phase steps between the primary and secondary winding
are common in special transformers like phase shifting,
rectifier / furnace and traction transformers.
With the optional arbitrary phase shift software key (2293/
SKAP), the 2293 can measure turns and voltage ratio, phase
displacement and excitation current of these special type
transformers.
The specially developed algorithmic included in
compensated mode reduces the influence of leakage flux
while using low voltage, giving results much closer to the
nominal ratio.
The included type detection feature works as a nameplate
guesser. It helps the user to determine the correct
transformer configuration by showing the possible types
and eliminating the wrong vector groups during the
automatic detection process.
TURNS RATIO
ARBITRARY PHASE SHIFT
VECTOR GROUP DETECTION
With Simultaneous Winding
Magnetization Test a complete
transformer in a fraction of time!
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