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FEATUREAT


POWER SUPPLIES & MANAGEMENT CLEVER


CONNECTION How smart energy solutions improve energy performance


Dr. Alex Mardapittas, CEO of Powerstar, discusses how smart energy solutions can help electrical professionals reach the increasingly difficult goal of improving energy performance


T oday’s energy and electricity


professionals face a difficult prospect with regards to managing the energy profiles of the buildings for which they are responsible. T he reasons for this are multi-facet ed: exponential rises in energy prices, combined with technology -driven consumption


increases and pressures to decarbonise, all heightening t he responsibilit ies of those tasked with managing energy profiles and related assets.


The implementation of smart energy technologies and the synergies that such technologies can deliver within a company-wide energy st rategy, provides solutions to the issues which plague energy profiles: a lack of energy resilience, high carbon emissions and an outdated HV infrastruct ure.


DEFINING SMART ENERGY


SOLUTIONS AND THEIR USES Smart energy solutions are energy management technologies which utilise the Internet of T hings (IoT ). Examples of such technologies are leading energy storage, voltage optimisation and smart distribution t ransformer solutions. To clarify these, energy storage


provides a multitude of benefit s, with one crucial feat ure: uninterruptible power supply (UPS) capabilit ies. UPS allows for a response time of under a millisecond, enhancing the resilience of the energy profile. Energy st orage solutions can also lower the carbon emissions of an energy profile, which maximises renewable energy generation by relaxing the


16 MAY 2019 | ELECTRONICS


intermit tency inherent in renewables, achieving this through t he storage of excess generation for discharge when it becomes sub-optimal.


Continuing on from earlier, voltage opt imisat ion provides a reduction in energy consumption and energy costs. This is due to t he average voltage supplied in the UK being higher than the opt imum level of voltage required by most electrical equipment: 242V. When, through volt age optimisation, t his is reduced to a more appropriate level, less energy is used and cost is reduced. Additionally, as the over-supply of voltage is removed, the chances of


premature burnout wit hin the electrical equipment subsides, meaning it lasts


longer and minimises replacement costs. Voltage opt imisation can be applied as a fixed system for stable voltage profiles, as with P owerstar’s LITE solution,


reducing the incoming voltage by a set amount, or as a variable system, reducing and stabilising the incoming voltage if t he supply suffers from dips and peaks. Voltage optimisat ion can similarly be combined with an amorphous core


transformer, for savings to both t he LV and HV infrastructure of a site.


Finally, smart dist ribution transformers are reliable for the management of an energy profile due to their amorphous alloy core. This material


is more efficient due to its flexibilit y, allowing for easy magnetisation and


demagnetisation. Addit ionally, due to the online remote monit oring capabilities of smart distribution transformers,


Dr. Alex M CEO of Po


Mardapittas, owerstar


traditional annual manual inspect of transformers have been consigned to history, as the condit performance of the t


checked at anytime, from any a secure internet connection.


manual inspections e been consigned ndition and


transformer can be


from any where, with nnection.


CONNECTING THE DOTS FOR THE FULL PICTURE


T he benefits of these solutions are doubled when they are considered as part of a smart energy strategy . This is facilitated t hough related remote monitoring capabilities.


T he technologies in question can be virtually connected through IoT technology, monit ored remotely via


the same portal. T his enables users to see which solution is performing best, and which requires the most at tent ion. Fut ure optimisations can therefore be


identified, thus forming t he first step in the implementat ion of a holistic energy strategy. Such strategies simultaneously identify and proactively resolve a variety of issues that can occur with a business’ energy profile, signalling a detour from t he traditional, inefficient firefight ing approach of solving one isolated issue at a time, whilst being left in the dark di f


regarding future, potential issues.


As t here are more factors affecting energy performance than ever before, and as these factors are more unpredictable t han in the past , it is understandable t hat some energy and electricit y professionals may be overwhelmed with the task of managing the energy profile. However, smart energy solutions provide users with control over their energy use and resilience, cert ifying that a full view of the energy profile is achievable.


Powerstar www.powerstar.com / ELECTRONICS


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