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EMSC Asia Pacific Pty Limited 17-33 Milton Parade, Malvern, VIC 3144
What we do... A market leading range of voltage optimisation systems
Sell solutions – not boxes
Engineering led business
Fully supportive, turnkey solution
Our clients include…
Powerstar provides the main power
Palace of Westminster Welsh Assembly London City Hall
House of Keys-Isle of Man All Cabinet Office Buildings Western Australia Parliament
Why Voltage Optimisation?
Voltage optimisation is needed to purely correct
supply issues caused by the HV infrastructure
What does voltage optimisation do?
What is Voltage Optimisation?
Why is voltage optimisation important?
Patented design Powerstar is the only VO system
with a patent on its design
A uniquely designed triple-wound optimiser Star configuration to eliminate
harmonics Delta configuration to further
suppress harmonics
70% of the savings come from the negative voltage feedback and 30% from equipment efficiency improvements.
BACK EMF
This creates negative power which goes towards the supply and reduces the electrical consumption of the site.
Savings with Voltage Optimisation completely depends on the load the company has and therefore a full site survey is essential.
“Powerstar voltage optimisation can lead to energy savings. The overall power consumption is reduced because the negative power is induced as feedback power to the source. Virtually, this power can be considered as power ‘generated’ from the load side” Professor Jihong Wang. University of Warwick, UK
WHAT THE UNIVERSITIES SAY The report from the University of Warwick into voltage optimisation
concluded:
Why is it important to optimise site voltage? Worsening Power quality issues, including:
Transients
Harmonics
Phase imbalance
Poor power factor
A number of these issues (harmonics, transients) are significantly on the increase mainly due to energy efficiency and renewables.
Optimising voltage and affects on harmonics
Improves Harmonics The graph below shows the Harmonic Levels before and after VO installation.
How does Voltage Optimisation help? Reduces kWh Consumption
Will everything consume less energy? NO not everything …
Greatest savings come from inductive loads (Motors, Lighting)
Some loads will yield less savings (VSDs)
Some loads will yield zero savings, but will benefit in other ways
It is important to understand the electrical loading characteristics of your site.
Remember no two sites are the same
- 50%
- 70%
- 90-95%
Savings of 3 Phase 30kW Motor with Powerstar for US & UK Supply
No Load
Lightly Loaded
Heavy Loaded
0
5
10
15
20
25
0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0
Voltage Reduction (%)
Ener
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avin
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)
US Supply UK Supply
Tap 2 Tap 3 Tap 4
Savings of a 3 Phase 30kW Motor with PowerStar for Australia & US Supply
Real Time Monitoring The Powerstar HMI (Human Machine Interface) can be viewed online and/or through an internal network and is IP addressable. In addition the system stores the following information every ten minutes and has a huge storage capacity:
Display of energy savings
Current per phase
kVA per phase
Total kVA
kWh per phase
Total kWh
Voltage per phase
KVAr per phase
Power Factor per phase
Harmonics (both Voltage and Current)
Optimise at HV or LV side
Installation
Text
Do you own your HV/LV Transformer? The choice should be clear. The reason you want to optimise is to remove the problems created by the HV infrastructure
Unless your HV/LV distribution transformer is brand new, correct the issues at source. Optimise the voltage at the HV supply. Simply replacing the existing, inefficient HV/LV transformer with the super low loss Powerstar HV MAX.
Losses within a Standard HV/LV Transformer
Powerstar HV MAX Savings
Text
Warranty & Guarantee Powerstar comes with up to 15 years warranty Our warranty includes parts and labour We guarantee the minimum savings as per our proposal If minimum savings are not achieved we will provide payment to
compensate for the difference between your actual savings and the guaranteed savings
You have nothing to lose as your payback is always guaranteed
Case studies and
testimonials
Mondelez 2 x 1000kVA Installed
Savings - 12 percent
Palais Hotel
Savings on electricity consumption: 10.5% Electricity savings per annum: $13,500 Estimated payback period: Under 3 years
“We are more than happy and pleased we made this investment. We are also glad we are making a contribution in the responsible use of Palais Hotel power. You can see the Powerstar system is built with long-life materials, so are happy with the quality of the unit. I have seen enough evidence to know that this is wise investment that we expect to pay for itself within three years. “ Bob Karpluk, General Manager, Palais Hotel
Swire Cold Storage The issue facing Swire was how to squeeze more efficiency and cost savings from a site that was already energy efficient. As a result of the site analysis a 1000kVA Powerstar unit was installed. This provided a 20v reduction, dropping the voltage from an average 248v to 223v and resulting in a 13% saving on annual electricity consumption, as well as a reduction in CO2 emissions of 490 tonnes.
ASDA Supermarkets
Mark Orpin, Head of Energy Management, ASDA Supermarkets
“Powerstar voltage optimisation has been a major part of our comprehensive energy efficiency programme. It is perhaps the simplest and most effective way to instantly save energy and therefore we would highly recommend Powerstar systems.”
NHS – Ashworth Hospital The hospital were looking for a reliable system to effectively reduce high energy costs and consumption caused by lighting, plant & IT equipment in the hospital. Following the installation of four Powerstar units the hospital is benefiting from the following savings:
• Savings (kWh) 458,272 • % Savings 12% • Annual savings £51,213 • Payback period 3 years
Charles F Stead Charles F Stead is one of the most respected tanners of suede leather worldwide Post install, electrical equipment at Charles F Stead is running more efficiently and impressive savings have been achieved. Year on year savings present a 20.74% kWh energy reduction.
London City Hall
Text
% Savings: 13.6%
Home of the Greater London Authority accommodates the Mayor of London, the London Assembly and 600 or so permanent GLA employees
“We have been very pleased with the quality and workmanship from the team at EMSc (UK) Ltd – the energy savings have been higher than forecast and we are expecting to run a phase 2. EMSc have been very flexible in scoping, design and working around our operational units to ensure full services were maintained. I have no hesitation in recommending Voltage Optimisation (Powerstar) from EMSc (UK) Ltd and we are pleased with the full service EMSc provided.”
Stuart Harris, Head of Energy and Carbon Operations, BT Technology Service & Operations
RWE npower “We arranged a test of the Powerstar unit, utilising a 3rd party company to measure the claims of EMSc (UK) Ltd against one of our buildings. The tests were carried out over a 6 week period and during that time EMS Powerstar’s estimated savings were not only met but surpassed. We also measured the harmonics and power factor and again they surpassed expectations. We now have Powerstar installed across the majority of our larger office portfolio and are showing savings every day. One other thing for me was the working relationship and technical advice that we received from EMS Powerstar. Both myself and the company I used to collect and analyse the test data thought EMS Powerstar an excellent company to work with, providing clear and prompt advice on savings, installations and recommendations. The icing on the cake was the fact the equipment was all UK manufactured and it was custom built for our older sites which had restricted space in our distribution rooms. We have also looked at EMS Powerstar’s domestic systems which potentially could help many of our customers reduce their energy bills. Dave Horton, RWE npower, Sustainability and Capital Investments Manager
Powerstar are npower and EON selected partners.
“North Melbourne electrical contractor Corospark Electrical & Solar has impressed the judges of this year’s Master Electricians Australian (MEA) VIC Excellence Awards, taking out the coveted prize as Commercial Project of the Year for their Voltage Optimisation project at The University of Melbourne.”
THE UNIVERSITY OF MELBOURNE POWERSTAR VOLTAGE OPTIMISATION CASE STUDY LAW BUILDING Grattan Street, Parkville, Victoria 3010
Actual Savings Achieved 12% Annual Consumption reduced by 225,664 kWh Guaranteed Saving 10.1%
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Payback period under 4 years
THE UNIVERSITY OF MELBOURNE POWERSTAR VOLTAGE OPTIMISATION CASE STUDY LAW BUILDING Grattan Street, Parkville, Victoria 3010
Reg
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Law building
THE UNIVERSITY OF MELBOURNE POWERSTAR VOLTAGE OPTIMISATION CASE STUDY
SPOT BUILDING, Parkville, Victoria 3010
Actual Savings Achieved 22.9% Annual Consumption reduced by 288,187 kWh Guaranteed Saving 10.5%
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Payback period 3 years
THE UNIVERSITY OF MELBOURNE POWERSTAR VOLTAGE OPTIMISATION CASE STUDY
SPOT BUILDING, Parkville, Victoria 3010
Actual raw consumption data show 25.9% energy reduction before regression analysis
Can we help? YES, we can… If you are not sure what to do to reduce your energy consumption, contact us and we can organise a free no-obligation proposal.
Tel: 1300 659 463 Email: sales@emscap.com.au Website: www.emscap.com.au
Tel: 1300 659 463
EMSC Asia Pacific Pty Limited 17-33 Milton Parade, Malvern, VIC 3144
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