DC Wallbox Pre Scoping Study
The 4E PECTA DC-Wallbox pre-scoping study aims to enhance understanding of DC-Wallboxes and pro-vides an overview of the current DC charging market, emphasizing the efficiencies of commercially avail-able chargers across different power levels.
Policy Brief: The Energy Saving Potential of Wide Band Gap Technology in selected applications
This policy brief summarises the key findings of the 2023 PECTA report Energy saving potential of WBG-commercial power converters in different applications. It provides an update of the potential energy savings given in the detailed analysis of the published Policy Brief in December 2020 (PECTA 1).
Energy Efficiency Measurement of Wide Bandgap Based Power Supplies
This report discusses different measurement methods to evaluate the efficiency of WBG-based power supply solutions, including electrical and calorimetric methods, and compares the performance of Si-based and GaN-based chargers.
Analysis and Loss Measurements of WBG-Based Devices
Commercial power supplies with wide-bandgap (WBG) Technology promise enhanced efficiency. PECTA analyzes WBG-based devices, supported by Swiss research, focusing on measurement concepts, loss assessments, and a deep understanding of the WBG device benefits.
Application Readiness Map for Wide Bandgap (WBG) Semiconductors
The Power Electronic Conversion Technology Annex (PECTA) Application Readiness Map for Wide Bandgap (WBG) Semiconductors describes their expected market position through 2035. It is based on interviews with many experts and various roadmaps and could be used as a basis for deciding which power semiconductor technology to choose. This report presents an updated version and the underlying assumptions.
Energy saving potential of WBG commercial power converters in different applications
This report explores the potential of wide bandgap (WBG) power semiconductor devices, such as SiC or GaN, in enhancing energy efficiency compared to traditional silicon-based systems.
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.
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.
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 policy makers to better understand the benefits of SiC, enabling more informed decisions.
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.
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.
EPE Paper – Looking beyond energy efficiency – Environmental aspects and impacts of WBG devices and applications over their life cycle
The environmental aspects and impacts of wide bandgap (WBG) materials such as Silicon Carbide (SiC) and Gallium Nitride (GaN) in specific end-use electronic applications and products have not yet been fully investigated. The design trade-offs and comparison of WBG with classic Silicon based technology for the same applications, with a life cycle thinking perspective, are only starting to emerge.
Design Aspects and Environmental Impacts of Wide Band Gap Based Semiconductor Technology in Chargers for Electronic Devices
This paper presents the outcomes of the work from PECTA Task B, Energy and environmental related Life Cycle Assessment, conducted between January 2022 and February 2023. See more information under: https://www.iea-4e.org/pecta/tasks/. This paper focuses on the effects of incorporating GaN components for energy conversion on the product design and the resulting environmental impacts along the […]
4E Evaluation Guidebook – Overview
Summary of the 4E Energy Efficiency Appliance and Equipment Standards and Labelling Programmes Evaluation Guidebook.
4E Evaluation Guidebook
The 4E Evaluation Guidebook is intended to assist impact evaluations of equipment energy efficiency standards and labelling (EES&L) programmes. It explains the methodologies that are proven to deliver robust and credible evaluations within five key steps.
Progressing Energy Efficiency Policies for Systems
Systems are described as the next frontier for energy efficiency policy, offering the potential to unlock huge energy savings in equipment-based energy-using systems.
In this summary we highlight some of the key findings from 4E’s investigations over several years.
Achievements of Energy Efficiency Appliance and Equipment Standards and Labelling Programmes: 2021 FULL Report
The complete 2021 report on the impact of standards and labelling programmes in countries around the world, drawing on nearly 400 published reports, studies and papers covering more than 100 products.
Achievements of Energy Efficiency Appliance and Equipment Standards and Labelling Programmes: 2021 SUMMARY Report
The 2021 summary report on the impact of standards and labelling programmes in countries around the world.
Policy Brief – The Energy Efficiency Potential and Application Readiness of Wide Band Gap Technology
This policy brief summarizes the key findings of the PECTA report ‘Wide Band Gap Technology: Efficiency Potential and Application Readiness Map’. It estimates the energy saving potential from using WBG technologies in different applications, shows the technology readiness of different devices, and discusses policy needs to expedite the market entrance of Wide Band Gap based […]
