DSQC332A ABB distributed control system industrial DCS module card

Description

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The AAPT has been validated as an integrated
solution in several new and retrofit applications of
different types. The validation included thousands
of hours of real on-site conditions, at different
locations and applications around the world. Data
gathered during validation demonstrated reliable
performance, with all functional parameters within
expected ranges, confirming the benefits of the
measurement analysis. Indeed, the owners of these
pilot units have started to see the benefits of the
AAPT technology by making use of the advanced
analytics to translate the collected data into
actionable information.
Field experience
Various use cases were identified and proven in the
field. In a transmission network, the information
provided on temperature and load enabled the
operator to optimize the cooling control in such
way that the top oil temperature fluctuation was
reduced from over 15 °C to less than 5 °C, under
varying ambient and load conditions. This results in
stable conditions for the insulation and extends the
transformer’s lifetime.
In an industrial installation, the operator noticed an
increase of temperature and dissolved gases while
the load was constant. An investigation found a that
a mineral buildup had resulted in a faulty fan at a
heat exchanger – a situation that could have proven
costly in the long run.
In a smelter application, the customer wanted to
increase their production capacity by 15 percent.
Thanks to the digital capability it was possible
to calculate the trade-off in terms of remaining
transformer life, and to ensure the asset integrity
while running the transformer in overload condition.