About.Efficiency is a complex issue. Our aim is to advise where opportunities are available to minimise the whole-of-life-cost. Our core business is reviewing data, quantifying different options, and presenting that information so decision makers don't need to be pumping system experts to see the opportunities.
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Using Energy EfficientlyOur aim is not to improve efficiency by selling components that have incrementally better efficiency, but to identify and quantify options where improved efficiencies can be gained through maintenance, operational changes or network bolstering. Reviewing the existing arrangement will identify opportunities, which can then be prioritised based on the associated costs and benefits.
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The BIG PictureBusinesses have multiple goals that need to be achieved concurrently. That's why at Variable efficiency we look at the big picture, the system as a whole. There is no commercial advantage in replacing equipment that has significant operational life remaining with equipment that has marginally better efficiency. Instead, we quantify the optimal efficiency of existing infrastructure to help identify the most efficient option.
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Your Business Your WayOur reviews are impartial and focus on energy and efficiency. We have no affiliation with any manufacturer or product. What works for you works for us. Variable Efficiency will identify and quantify available opportunities.
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Global Experience
Troy Leyden
Variable Efficiency
Unfortunately Troy never got to present in Tokyo, but his earlier work 'Optimising the Speed of Centrifugal Pumps' can be found on page 875 of the proceedings of the 2017 Energy Efficiency in Motor Driven Systems conference (EEMODS'17) held in Rome, Italy by clicking here or by using the following link in your preferred browser: https://publications.jrc.ec.europa.eu/repository/handle/JRC110714
Prior to attending EEMODS'17 Troy published 'Optimising Pumping Using Variable Speed Drives' on page 60 of the Autumn 2017 edition of the Pump Industry (Australia) magazine. The article can be found here, the entire digital magazine can be found here, or by using the following link in your referred browser: https://www.pumpindustry.com.au/autumn-2017/ That same year Troy also published 'Reducing Pumping Power Costs by Variable Speed Pumping' as an Australian Water Association ejournal. The work can be found here, or in Volume 2 - Issue 1 (2017): https://www.awa.asn.au/AWA_MBRR/Publications/Water_e-Journal/Volume_2_Issue_1.aspx
More recently, Troy has published 'Flow Prediction Tool for Variable Speed Pump Stations' on page 36 of the Spring 2021 edition of the Pump Industry (Australia) magazine. The digital magazine can be found here, or by using: https://www.pumpindustry.com.au/spring-2021/
Prior to attending EEMODS'17 Troy published 'Optimising Pumping Using Variable Speed Drives' on page 60 of the Autumn 2017 edition of the Pump Industry (Australia) magazine. The article can be found here, the entire digital magazine can be found here, or by using the following link in your referred browser: https://www.pumpindustry.com.au/autumn-2017/ That same year Troy also published 'Reducing Pumping Power Costs by Variable Speed Pumping' as an Australian Water Association ejournal. The work can be found here, or in Volume 2 - Issue 1 (2017): https://www.awa.asn.au/AWA_MBRR/Publications/Water_e-Journal/Volume_2_Issue_1.aspx
More recently, Troy has published 'Flow Prediction Tool for Variable Speed Pump Stations' on page 36 of the Spring 2021 edition of the Pump Industry (Australia) magazine. The digital magazine can be found here, or by using: https://www.pumpindustry.com.au/spring-2021/