FEATURE LIGHTING & LIGHTING CONTROLS
AN INTEGRATED WIRELESS LIGHTING SOLUTION
Andy Davies, head of business development and specification at Harvard Technology, discusses how the latest advancements in IoT enabled lighting technologies are helping to shape the smart buildings of the future
L
ighting has undergone a rapid transformation as the Internet of
Things (IoT) era ushers in a new wave of technology built for the smart buildings market. The emergence of LED as the primary source of illumination in buildings has fuelled this evolution, laying the foundations for advanced wireless lighting control systems. The potential for wireless lighting
control technology is massive, especially across the UK. According to The Department for Business, Energy & Industrial Strategy’s (BEIS) latest report, over £1 billion can be saved just by lighting the UK’s commercial buildings more efficiently. The Department found that a staggering 10,930GWh/year of total annual energy savings can be delivered by adopting efficient lighting. A well-specified wireless lighting control solution, therefore, has become a must for any commercial building application. Not only can such systems deliver significant energy savings and carbon reductions, but they can also improve the functionality and efficiency of the building, and even the productivity and focus of its occupants. Smart lighting control solutions are
already reshaping buildings to be more energy efficient, more connected, secure and reliable. New cloud-based, remote access, wireless control, monitoring and management systems allow users to wirelessly monitor and manage both indoor and outdoor lighting, across their entire estate, from a single device. Through an intuitive Graphic User
Interface (GUI), which can be accessed through the Internet on a laptop, tablet or even smartphone, operators can access a quick overview of any installation, or indeed multiple installations across different sites, showing key data including energy and cost savings, energy hotspots, as well as any potential lamp failures. Usage patterns can be managed to enable the most effective energy saving strategy to be implemented. Luminaires
22 JUNE 2017 | ELECTRICAL ENGINEERING
can be switched or dimmed collectively, or individually, and scheduled to activate when lighting is needed. Information on testing for audit tracking and energy hotspots can also be accessed. The next generation in wireless lighting control systems also adds pioneering new capabilities, such as Building Energy Management System (BEMS) integration, to provide a platform for controlling lighting, heating, ventilation and security systems through one interface.
SMART LIGHTING CONTROLS Harnessing the power of state-of-the- art wireless lighting control solutions has already helped one UK retailer reach previously unattainable energy reductions across its chain of stores. The high street blue chip retailer, with over 3,000 stores, has invested in an integrated wireless lighting control and Micro BeMS solution, resulting in energy savings of 34 per cent from lighting alone. With such a large portfolio of stores across the UK, the retailer epitomised the problems faced by the European retail industry, with the majority of stores operating seven days a week, leading to high energy overheads from lighting, heating and ventilation. The company, therefore, was seeking a
lighting controls solution that could integrate seamlessly with the Building Energy Management systems (BeMS) already in place to maximise energy savings. What’s more, the solution needed to be flexible enough to allow simple retrofitting into any store, including large flagship superstores and small local outlets. Additionally, the retailer was looking for a system that would enable greater control of front of house lighting, both during trading and stocking hours, to support the monitoring savings and lux levels.
A PROVEN SOLUTION Specifying on behalf of the retailer, Matrix (a company of E.ON), selected EyeNut, Harvard Technology’s IoT-
Harvard Technology provides a system that would enable greater control of front of house lighting - both during trading and stocking hours - to support the monitoring savings and lux levels
enabled wireless control, monitoring and management system. It was chosen as it delivers a wide range of benefits, whilst avoiding the many pitfalls associated with similar systems, such as lengthy downtime, as well as overly complicated operating control. The entire commissioning process for each store was completed overnight, limiting store downtime, leading to substantial savings, and the system was rolled-out across six stores in an initial trial. It includes a cloud-based EyeNut hub, Gateways, as well as EyeNut enabled LED drivers. EyeNut was co- deployed in conjunction with a Micro BeMS system based around Matrix’s Tridium Niagara framework. Designed to be easily retrofitted into each store, EyeNut immediately delivered significant savings in both energy and carbon emissions. This installation has resulted in energy savings of 34 per cent through wirelessly controlled LED lighting alone. When factoring in the additional decreases delivered by the integrated Micro BeMS, savings were further increased by 20 per cent . EyeNut’s connectivity to the Tridium
BMS allows data transfer between all building control systems, including air conditioning, heating, ventilation, lighting and security. This enables information on scene setting, energy data, store trading conditions and emergency tests to be reported to the users. Such has been the success of the initial trial of EyeNut, the retailer is now rolling out the solution nationwide, initially at 10 stores per month, with a view to ramping up to 25 stores per month throughout 2018.
Harvard Technology
www.harvardtechnology.com
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