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Posive response to 18th Edion IET Wiring Regulaons
ith the 18th Edition of the IET Wiring
Regulations due to come into force on 1 July, new research has revealed that businesses operating in the commercial and
industrial sectors remain positive about the reform and the impact it may bring.
According to a new poll conducted amongst Bureau Veritas UK customers, 93% of those working in the industry welcome the legislative change. Of the key reasons cited, half say it will help to raise standards, almost a quarter claim a duty to embrace new safety regulation and a fifth say safety is their number one priority.
Notably, all respondents felt that the highly debated addition of Part 8,
constituting the first time the regulations have
introduced any guidance in relation to energy efficiency, is a positive step forward.
Of these, over half said it will support best practice in energy-efficient installation and just under a third feel the new standard is key to progressing the green agenda.
Interestingly, however, almost two thirds admitted that they are still not fully prepared for the changes the 18th Edition may bring, despite full competency coming into effect in less than a year.
This isn’t helped by an apparent lack of available support, with nearly four in ten stating they don’t feel it has been clearly communicated to the industry and a further 15% either doing their own research or relying on their compliance partner. Adding to the positive sentiment, almost two thirds
thought that the UK Wiring Regulations should still be aligned with the requirements of the European Standards (CENELEC), regardless of the outcome of Brexit. Two in five said it’s important to achieving full globalisation and 28% said it will result in more holistic, safer standards. Mahendra Mistry, Technical Manager for electrical systems at Bureau Veritas, said: “It’s fantastic to see such an incredibly positive response to the upcoming 18th Edition. Of course, as with any new regulation, it may take time to adjust to the changes and a bedding in period – but it’s an investment worth making, and one which will help to propel electrical standards into a new era where the protection of people becomes the paramount priority.”
Advertorial ASK THE EXPERT BSEE
Three ways to improve pump and fan eciency
nstalling a variable speed drive (VSD) to replace direct-on-line (DOL) motor control can reduce energy consumption of pumps and fans by up to 60 percent. However, efficiency can often be increased even further by utilising existing features within the drive.
Therefore, when next considering how to improve the efficiency of existing systems, ask yourself these three questions:
Does my VSD have energy optimisation?
Energy optimisation (also known as flux optimisation) helps ensure that motors are controlled using the least amount of energy. With this feature, the VSD automatically detects changes in the load and then controls the motor to its lowest flux (magnetic field) levels, thus saving energy constantly across the lifetime of an application. With energy optimisation, the magnitude of the motor’s magnetic field is controlled according to the actual load and across the speed range to minimise energy being used at all points.
The greatest energy savings are achieved at partial loads. For example, with 25 percent load there is up to 10 percent total energy efficiency improvement. At 50 percent load there can be two percent total efficiency improvement. This directly impacts on operating costs. This feature also significantly reduces the motor noise compared to that generated by the switching frequency of a traditional drive. Noise is an indication of inefficiency and is another source of losses.
Does my VSD have a load analyser?
HRH The Duke of York, KG visits osite manufacturing facility
Some VSDs feature a statistical tool that analyses and interprets drive behaviour including process energy efficiency and operation.
The analyser provides information on system maintenance needs and can be used to illustrate and control the system’s energy efficiency. It allows users to identify periods of unexpectedly high (or low) load and can point towards system optimisation improvements.
Does my VSD have on-board energy counters? While on-board energy counters do not increase energy efficiency, they allow the end-user easy monitoring of consumed energy and realised energy savings. This is crucial for organisations wishing to prove the validity of investing in VSD technology.
The counters calculate the energy savings achieved using VSDs, compared to equivalent DOL motor control methods. The savings are shown in kWh, MWh, CO2 emissions and money saved.
On-board counters can also assist with electricity billing in accordance with Part L2 Building Regulations. This allows verification of energy savings before making investments in capital equipment.
ABB has created a series of eBooks that tackle the technical issues facing users of VSDs in the building services industry, including how to increase energy efficiency. Sign up to receive the series at http://web.abb
aing O’Rourke recently welcomed HRH The Duke of York to its Explore Industrial Park facility in Steetley, Worksop, to showcase best practice in modern methods of construction and highlight opportunities for more diverse entry to our industry.
HRH, Patron of the Institution of Civil Engineers (ICE), visited the Laing O’Rourke facility in Worksop, and spoke to the team about the development and integration of its Design for Manufacture and Assembly approach.
As part of the visit, The Duke of York also learned about Laing O’Rourke’s vision for precision-engineered offsite homebuilding, and the mock-up of a Crossrail Station showing how construction components were being used in the field. HRH was briefed on how the UK construction industry is addressing some of the skills and innovation challenges.
Paul Westbury, Laing O’Rourke Group VISIT OUR WEBSITE: www.bsee.co.uk
uDuring his visit The Duke of York met Laing O’Rourke’s senior leaders, apprences, graduates and STEM ambassadors.
Technical Director, said: “It was a huge privilege for us to welcome The Duke of York to Explore Industrial Park. HRH is a real champion of UK construction and engineering and we were proud to show him how offsite manufacturing and assembly can create efficiency and productivity, as well as deliver new skills and exciting technical career paths to our industry.”
Explore Industrial Park currently employs 400 people from the local area, with this number set to increase as the business continues to invest in its offsite manufacturing capability.
BUILDING SERVICES & ENVIRONMENTAL ENGINEER JUNE 2018 7
u ABB is a pioneering technology leader in electrification products, robotics and motion, industrial automation and power grids, serving customers in utilities, industry and transport & infrastructure globally. Continuing a history of innovation spanning more than 130 years, ABB today is writing the future of industrial digitalization with two clear value propositions: bringing electricity from any power plant to any plug and automating industries from natural resources to finished products.
By Andy Preston, UK Drives Product Manager, ABB Limited.
energy savings are achieved at paral loads. For example, with 25 percent load there is up to 10 percent total energy eciency improvement. At 50 percent load there can be two percent total eciency improvement. This directly impacts on operang costs.
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