Method for Designing an Energy-agile Energy System for Industrial Manufacturing

Kuhlmann, Timm; Bauernhansl, Thomas

doi:10.1016/j.procir.2015.02.005

Cited by 12 publications

(4 citation statements)

References 10 publications

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“…Another factor that will result in more unpredictable costs and availability, as well as volatile energy supplies, is the increasing use of solar panels or wind turbines in energy grids. The evolution in the energy available has to be predicted, but the price, the load and the consumption behaviour implied may be difficult to predict (Fan and Borlase 2009;Ipakchi and Albuyeh 2009), thus making it difficult to define accurate manufacturing operation strategies in this hardly predictable context (Kuhlmann and Bauernhansl 2015).…”

Section: 2mentioning

confidence: 99%

Energy-aware manufacturing operations

Prabhu

Trentesaux

Taisch

2015

International Journal of Production Research

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This editorial introduces the special issue on energy-aware manufacturing operations in the International Journal of Production Research. The 12 papers in this special issue were selected because of their high quality and also because they deal with topics related to energy-aware manufacturing operations. Three broad challenges are collectively addressed by the papers in this special issue: energy-efficiency vs. manufacturing-system effectiveness in optimisation; the volatility in energy availability, supply and cost; modelling energy consumption in varying scales and across different sub-systems. Previous global discussions about the state of the art in energy-aware manufacturing operations are provided, as well as exploratory guidelines for future research in this area.

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Section: 2mentioning

confidence: 99%

Energy-aware manufacturing operations

Prabhu

Trentesaux

Taisch

2015

International Journal of Production Research

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“…The core of the simulation model is a slightly simplified production model of serial production [12]. This model is not shaped in line with the material flow perspective but takes the machine resource perspective, being supplied with material, energy and information.…”

Section: Ultra-f-check As a Methodical Pathway To An Ultra-efficiency...mentioning

confidence: 99%

Ultra-Efficiency Factory - Framework and Holistic Approach to Increase and Evaluate Efficiency and Sustainability

Kuhlmann

Sauer

2016

AMR

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The Ultra-Efficiency Factory provides a framework for decoupling resource consumption from an increase in productivity. It takes a holistic perspective and opens a pathway to sustainable growth. The Ultra-f-check method combines technological, organizational and human-centred dimensions, helping companies to align their production systems with the framework of the Ultra-Efficiency Factory not only by providing a scalable step-by-step approach but also by finding best-practise solutions and conducting holistic, simulation-based assessments.

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“…Kuhlmann & Bauernhansl [21] present a method for designing energy systems for manufacturing companies, which must be applied during the early stages of factory planning. It is based on a system dynamics approach, which makes it possible to account for interactions with the volatile energy market and external disruptions.…”

Section: Designing Industrial Energy Supply Systemsmentioning

confidence: 99%

Decentral Production of Green Hydrogen for Energy Systems: An Economically and Environmentally Viable Solution for Surplus Self-Generated Energy in Manufacturing Companies?

et al. 2023

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Power-to-X processes where renewable energy is converted into storable liquids or gases are considered to be one of the key approaches for decarbonizing energy systems and compensating for the volatility involved in generating electricity from renewable sources. In this context, the production of “green” hydrogen and hydrogen-based derivatives is being discussed and tested as a possible solution for the energy-intensive industry sector in particular. Given the sharp, ongoing increases in electricity and gas prices and the need for sustainable energy supplies in production systems, non-energy-intensive companies should also be taken into account when considering possible utilization paths for hydrogen. This work focuses on the following three utilization paths: “hydrogen as an energy storage system that can be reconverted into electricity”, “hydrogen mobility” for company vehicles and “direct hydrogen use”. These three paths are developed, modeled, simulated, and subsequently evaluated in terms of economic and environmental viability. Different photovoltaic system configurations are set up for the tests with nominal power ratings ranging from 300 kWp to 1000 kWp. Each system is assigned an electrolyzer with a power output ranging between 200 kW and 700 kW and a fuel cell with a power output ranging between 5 kW and 75 kW. There are also additional variations in relation to the battery storage systems within these basic configurations. Furthermore, a reference variant without battery storage and hydrogen technologies is simulated for each photovoltaic system size. This means that there are ultimately 16 variants to be simulated for each utilization path. The results show that these utilization paths already constitute a reasonable alternative to fossil fuels in terms of costs in variants with a suitable energy system design. For the “hydrogen as an energy storage system” path, electricity production costs of between 43 and 79 ct/kWh can be achieved with the 750 kWp photovoltaic system. The “hydrogen mobility” is associated with costs of 12 to 15 ct/km, while the “direct hydrogen use” path resulted in costs of 8.2 €/kg. Environmental benefits are achieved in all three paths by replacing the German electricity mix with renewable energy sources produced on site or by substituting hydrogen for fossil fuels. The results confirm that using hydrogen as a storage medium in manufacturing companies could be economically and environmentally viable. These results also form the basis for further studies, e.g., on detailed operating strategies for hydrogen technologies in scenarios involving a combination of multiple utilization paths. The work also presents the simulation-based method developed in this project, which can be transferred to comparable applications in further studies.

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Method for Designing an Energy-agile Energy System for Industrial Manufacturing

Cited by 12 publications

References 10 publications

Energy-aware manufacturing operations

Energy-aware manufacturing operations

Ultra-Efficiency Factory - Framework and Holistic Approach to Increase and Evaluate Efficiency and Sustainability

Decentral Production of Green Hydrogen for Energy Systems: An Economically and Environmentally Viable Solution for Surplus Self-Generated Energy in Manufacturing Companies?

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