End-user demand, new regulation and a growing sustainability agenda is driving the need for higher energy efficiency. Since electric motors consume 66 percent of the global industrial energy, there is a great potential to reduce CO2-emissions while saving money.
With electric motors consuming a significant part of the global energy production, the potential benefits of improved energy efficiency are huge. In the EU alone, about 8 billion electric motors consume nearly half of the European electricity production. Globally, two thirds of all industrial energy is used by electric motors.
By using more efficient motors, the global energy consumption could be reduced by an estimated 300 TWh of electricity per year by 2030. Roughly equivalent to the current annual electricity consumption of the entire UK. On the other hand, without comprehensive efficiency improvements, energy consumption by electric motors is expected to rise to 13,360 TWh per year by 2030, which would increase CO2-emissions by 8,570 megatons per year.
A strong driver for increased energy efficiency is local regulation, which continues to impose tougher and tougher demands. In the EU, the latest revision of the ecodesign regulation has had effect since September 2019. In 2021 and 2023 further regulations will come into force.
“In several of our markets, like Industrial Pumps and Hvac, there are many factors pushing towards greater energy efficiency such as the UN Global Goals. In many cases, economic and environmental priorities from the end-users actually exceed the regulatory requirements and challenge the OEM’s to keep up. As an example, we have delivered several projects with IE4 motors”, says Maarten de Beun, Segment Manager for Industrial Pumps at Hoyer.
IE4 and VFD
Hoyer has a variety of tools available. IE2 and IE3 motors are available as standard and asynchronous IE4 motors are produced on demand for projects and customized solutions. The motors with integrated VFD’s can improve the overall efficiency of an application with up to 50 percent by providing more precise control and less energy waste than a traditional fixed speed system.
In the future Hoyer Motors is working to introduce a range of IE4/IE5 permanent magnet motors as these motor types are even more efficient for several applications compared to standard AC motors with standard rotors.
“With our existing range of IE2, IE3 and IE4 motors and our expertise within VFD solutions, we are well equipped to be an active energy partner for our customers. We want to support their future goals in increasing energy savings and reducing CO2-emission”, Maarten de Beun concludes.
UN Global Goals
The UN Global Goals serve as a common framework for many aspects of the pursuit of greater energy efficiency. In particular Target 7.3, which calls for doubling the global rate of improvement in energy efficiency by 2030, and Target 9.4, which concerns an upgrade of infrastructure and a retrofit of industries to make them more sustainable and increase resource-use efficiency.