Current forecasts indicate a significant increase in demand for electric traction drives, including the corresponding impact on the environment. Modern motor designs and sustainability assessments thereof focus on efficiency in use, among other reasons motivated by the major environmental impact during this phase caused indirectly by carbon intensive energy production. However, due to the use of limited resources and energy intensive manufacturing processes, the production phase is increasingly critical for a sustainable life cycle of electric motors. In the prototyping stage, a major part of future product development, the direction for the sustainability of a product throughout its life cycle is being set. Therefore, the prototyping stage can already be used to gather useful insights into the environmental impact of a future product and its production system. In this research, a life cycle analysis of a prototypical production of one of the main components of the electric drive, the stator, is performed. The process chain of stator production of the research project ScaleUp E-Drive is investigated in two parts: First, a Life Cycle Inventory is conducted by direct data collection supplemented by the data sets from the commercial database ecoInvent v3.91 as well as publicly available data from other research. Subsequently, a Life Cycle Impact Assessment (LCA) is performed with the target of a comprehensive and accurate evaluation of the input and output flows of the prototypical production. The assessment is focused on the impact categories global warming potential (GWP), terrestrial acidification, human toxicity and freshwater ecotoxicity.

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Life Cycle Assessment (LCA) of a Prototypical Hairpin Stator

  • Achim Kampker,
  • Henrik Born,
  • Michael Nankemann,
  • Sebastian Hartmann,
  • Tim Franitza

摘要

Current forecasts indicate a significant increase in demand for electric traction drives, including the corresponding impact on the environment. Modern motor designs and sustainability assessments thereof focus on efficiency in use, among other reasons motivated by the major environmental impact during this phase caused indirectly by carbon intensive energy production. However, due to the use of limited resources and energy intensive manufacturing processes, the production phase is increasingly critical for a sustainable life cycle of electric motors. In the prototyping stage, a major part of future product development, the direction for the sustainability of a product throughout its life cycle is being set. Therefore, the prototyping stage can already be used to gather useful insights into the environmental impact of a future product and its production system. In this research, a life cycle analysis of a prototypical production of one of the main components of the electric drive, the stator, is performed. The process chain of stator production of the research project ScaleUp E-Drive is investigated in two parts: First, a Life Cycle Inventory is conducted by direct data collection supplemented by the data sets from the commercial database ecoInvent v3.91 as well as publicly available data from other research. Subsequently, a Life Cycle Impact Assessment (LCA) is performed with the target of a comprehensive and accurate evaluation of the input and output flows of the prototypical production. The assessment is focused on the impact categories global warming potential (GWP), terrestrial acidification, human toxicity and freshwater ecotoxicity.