Technology
Transformers
A broad range of bespoke Super Low-loss amorphous core electrical transformers wound in the UK.
Wienerberger Ltd
Application
Technologies
CHALLENGE
Wienerberger are the world’s largest brick manufacturer. Their UK operations include 14 separate manufacturing facilities making bricks, roof tiles and pavers, as well as offices and showrooms.
Their Worcestershire brick factory, based in Hartlebury, was experiencing inefficiencies and shortened lifespans on electrical infrastructure due to being supplied at the high end of the allowable voltage range. One particular transformer was also in need of replacement.
SOLUTION
Powerstar was commissioned to replace the site’s ageing transformer with modern, low-loss replacements, that incorporated voltage optimisation technology to provide more stable voltages across the site.
The project faced a number of unique challenges, including delays due to the COVID-19 pandemic and subsequent lockdown. Wienerberger also had to engage a subcontractor for excavation of a concrete roadway and jointing an 11kV feed to the substation.
RESULTS
Voltage roptimisation technology installed alongside the new transformer delivered a substantial kWh reduction in power consumption. Based on the first four months of operation, the site’s annual consumption will be reduced by a total of 339,696 kWh, a saving of around 8%. The voltages supplied to site were also optimised, improving range of between 248V and 253V, with occasional drops to 218V, in 2020 to 230 +/- 4V in 2021.
8%
reduction in energy consumption
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