TRANSFORMERS


Super low loss amorphous transformer replacement


the kWh used at the Smurfit Kappa Stalybridge site. The projected annual savings (based on £0.09/kWh) are in excess of £10,500 per annum. The payback (£10,500 annually) on the


T


total investment, including transformer purchase and installation, will be achieved in under three years reports the company. According to Wilson Power Solutions, the


measurements show that the installation of the Super Low loss Amorphous Transformer, combined with a 5.9% voltage reduction, has reduced the kWh used. The measurements


Smurfit Kappa is a global leading paper based packaging manufacturer with a strong sustainability agenda. Following an energy efficiency review, its production site in Stalybridge, Tameside, Greater Manchester, was identified as being able to benefit from voltage management. With the supply transformer owned by the company, the decision was made to replace the existing transformer with a modern super low loss amorphous unit from Wilson Power Solutions which would provide savings through reduced transformer losses as well as reduced supply voltage to site, says UKPN. “The


he installation of the Wilson e2 Super Low loss Amorphous Transformer, combined with a 5.9% voltage reduction, has significantly reduced


taken before installation and those with the super low loss transformer show a 3.5% reduction in kWh. On a projected usage of 2,861,652kWh prior to installation, the savings are estimated to be 99,176kWh p.a. The kWh reduction can be trended long


term using the electricity supplier’s half hourly averaged value data. The reduction in voltage has also improved the site power factor, reports the company. Following the installation of a Super Low


Loss Transformer at site, an energy efficiency and power quality survey was conducted to quantify the energy savings. A report presents the recorded Power before and after the new transformer was installed. Power analysing monitoring equipment was


installation of the Wilson e2 Super Low loss


Amorphous


Transformer, combined


with a 5.9% voltage


reduction, has


significantly reduced the kWh used at the Smurfit Kappa


Stalybridge site.”


connected at the main incoming LV supply and left in situ for 7 days. The data shows the before and after installation readings. Installation benefits at a glance include: * Electricity usage reduced by 3.5%. * Annual savings of 99,176 kWh (~£10,500) * Site voltage reduced from 224V to 230V. * Improved power factor. Wilson Power Solutions designs,


manufactures and supplies cold rolled grain oriented steel (CRGO) double wound power transformers up to 200 MVA. All of its power transformer projects are


supported by dedicated account managers and expert design engineers to deliver a solution that best suits the client’s needs, often with impressively short lead times. Wilson Power Solutions are manufactured


in accordance with internationally recognised standards (BS, IEC and ANSI), comply with the EU Eco Design Directive for transformers (where applicable) and come with industry- leading 24-month guarantee from dispatch. wilsonpowersolutions.co.uk


26 NOVEMBER-DECEMBER 2018 UK POwER NEwS


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