Webinar and report: policy development on energy efficiency of data centres
Webinar: 15 Feb 2024 This webinar provided policymakers with information and evidence-based recommendations for policy measures to improve the energy efficiency of data centres. Slides available here. Report: Policy development on energy efficiency of data
New strategy for 2024-2029 approved by IEA
In January 2024, the IEA endorsed the work of 4E by extending its mandate for a further five-year period, as requested by the 15 Members.
IEA 4E SSL Annex wins Global Award from International Solid State Lighting Alliance
The SSL Annex has been given the “Global SSL Award for Outstanding Achievement” from the International Solid State Lighting Alliance on 27 November in Xiamen, China. This award recognises the thirteen years of research, reports and other information that the SSL Annex has shared with the global lighting community.
Improving the Mp metric for evaluation of Flicker
TLM (temporal light modulation) related measurements and calculations have become a focus with new regulations by European Commission and other regulatory authorities setting limits for TLA (temporal light artefacts) for LED lighting products. Generally, the regulations
Energy Efficient Electric Motor Systems webinar: potentials, tools, WBG technology
Join us for the Energy Efficient Electric Motor Systems webinar on 14 November NZDT (13 November CET), exploring the efficiency potential of electric motor systems, new and existing tools for assessing motor system efficiency, and breakthrough Wide Band Gap (WBG) semiconductor technology.
IEA 4E SSL Annex finds LED retrofit lamps cut environmental impact by 44 to 61% compared to T5 and T8 fluorescent lamps
Preliminary findings from the IEA 4E SSL Annex show that environmental impact for T5 lamps can be reduced by 44% and for T8 lamps by 61% if they are replaced by LED retrofit tubes. These are
Understanding LED performance: Evidence-based approaches to supporting stakeholders of energy-efficient lighting programmes
The SSL Annex takes an evidence-based approach to evaluating LED product performance. Using comprehensive market data from product registries and other sources, the Annex developed recommendations on product performance and research into test methods that reduce
The new EDNA: Efficient, Demand Flexible Networked Appliances
Over the past decade, EDNA has provided policy guidance aimed at improving the efficiency of smart devices and associated systems. In recent years EDNA has done a lot of work in the area of ‘demand flexible’
What has EDNA learned in the past decade?
Since 2014 EDNA – the Electronic Devices and Networks Annex of 4E – has helped its 14 member countries to better understand digital technologies. Our extensive research into how policies can both encourage ‘energy smart digital
EEMODS’24: call for abstracts until 15 November 2023
The call for abstracts for the 13th International Conference on Energy Efficiency in Motor Driven Systems (EEMODS) is launched. Abstracts are due until 15 November 2023.
SSL Annex Webinar: Smart Lighting – New Features Impacting Energy Consumption
On 9 October 2023, the SSL Annex held a webinar on new features in smart lighting that impact energy consumption delivered by Casper Kofod, an Expert based in Copenhagen, Denmark. The webinar summarised the findings from
IEA 4E SSL Annex presents: Smart Lighting – New Features Impacting Energy Consumption (Webinar 1 of 2)
A presentation on new features in smart lighting that impact energy consumption by Casper Kofod, an Expert based in Copenhagen, Denmark. Smart lighting provides an opportunity for the consumer to benefit from wireless control of lighting
IEA 4E SSL Annex presents: Smart Lighting – New Features Impacting Energy Consumption (Webinar 2 of 2)
A presentation on new features in smart lighting that impact energy consumption by Casper Kofod, an Expert based in Copenhagen, Denmark. Smart lighting provides an opportunity for the consumer to benefit from wireless control of lighting
PECTA’s EPE 2023 paper contributions now online available
PECTA proudly served as an institutional partner at the highly anticipated EPE 2023 Conference. This prestigious collaboration highlighted PECTA’s commitment to advancing technological innovation and fostering knowledge exchange on a global scale. At the EPE 2023
EPE Paper – Reliability of WBG, results of a Pre-Scoping Study
This report contains the outcome of this first study on the reliability of Wide Band Gap (WBG) components and WBG-based applications. By summarizing key findings, it leads to an outlook and discusses the next steps.
EPE Paper – Policy measures to drive WBG for end use equipment
This paper discusses different potential policy measures to support the WBG uptake in end use equipment. The EU product regulations and specifically the potential PV inverter efficiency requirements, are discussed, serving as an example. Standardisation, in
EPE Paper – Energy saving potential of WBG-commercial power converters in different applications
This work estimates the yearly global energy savings potential of different power electronics applications featuring commercial wide bandgap (WBG)-based power converters. It is the first study analyzing real products in the market. We show that WBG-based
EPE Paper – Identifying the potential of SiC technology for PV inverters
Silicon Carbide (SiC) devices offer energy efficiency improvements over conventional silicon (Si) semiconductors. Through measurements and simulation results, this paper intends to quantify this efficiency improvement in a typical photovoltaic (PV) application. This allows designers and
EPE Paper – Switching losses in power devices: From dynamic on resistance to output capacitance hysteresis
In this paper, we review some of the main methods to characterize on-state and off-state losses in wide-band-gap devices under switching conditions. In the off-state, we will discuss about losses related to charging and discharging the
EPE Paper – Measurement of WBG-based power supplies
This paper discusses different measurement methods to evaluate the efficiency of WBG-based power supply solutions, including electrical measurement methods and their verification with calorimetric methods, and compares the performance of Si-based and GaN-based chargers. The efficiency
