working principle of excavator energy storage device
Energy management strategy of Supercapacitor/Fuel Cell energy storage devices for vehicle applications …
Influence of secondary source technologies and energy management strategies on Energy Storage System sizing for fuel cell electric vehicles Int J Hydrogen Energy, 43 ( Issue 25 ) ( 21 June 2018 ), pp. 11614 - 11628
Energy efficiency analysis of integrated drive and energy recuperation system for hydraulic excavator …
When the energy storage hydraulic cylinder [10,11] or energy storage chamber [12][13] [14] is used to recover the gravitational potential energy, the gravity of the working device can also be ...
Energy and Operation Characteristics of Electric Excavator With …
The working principle, control strategy, and characteristics of the proposed electric excavator were analyzed through theory and experiments. The results show that the proposed system can reduce throttling loss and efficiently reutilize the …
Energy and Operation Characteristics of Electric Excavator With …
Received 26 July 2023, accepted 7 September 2023, date of publication 11 September 2023, date of current version 4 October 2023. Digital Object Identifier 10.1109/ACCESS.2023.3314338 Energy and Operation Characteristics of Electric Excavator With Innovative
Energies | Free Full-Text | Energy Management Strategy of a PEM Fuel Cell Excavator with a Supercapacitor/Battery Hybrid Power Source
Construction machines are heavy-duty equipment and a major contributor to the environmental pollution. By using only electric motors instead of an internal combustion engine, the problems of low engine efficiency and air pollution can be solved. This paper proposed a novel energy management strategy for a PEM fuel cell excavator …
Fuel Cell: Working Principle, Characteristics, Systems, Advantages and Disadvantages …
The article provides an overview of fuel cells, describing their basic working principles, historical development, characteristics, and applications. It touches on topics such as oxidation-reduction reactions, fuel cell systems, hydrogen production, and the role of nanotechnology in enhancing fuel cell efficiency.
Potential energy directly conversion and utilization methods used …
The energy storage chamber C of the HPES hydraulic cylinder is connected to an accumulator to balance the weight of the working device by setting Energy efficiency calculation model To analyze the energy characteristics of the proposed systems, the rodless chamber A and rod chamber B in the system without GPER device are …
Design, Modeling and Analysis of a PEM Fuel Cell Excavator with …
This paper proposes a configuration of a PEM fuel cell excavator with supercapacitor/battery hybrid power source. A fully dynamic model of the fuel cell system which deeply concerns the mechanism of the system is studied and analyzed. Supercapacitor (SC) and battery (BAT) mathematical model are also presented.
Light‐Assisted Energy Storage Devices: Principles, Performance, …
The use of solar energy, an important green energy source, is extremely attractive for future energy storage. Rec... Light‐Assisted Energy Storage Devices: Principles, Performance, and Perspectives - Dong - 2023 - Advanced Energy Materials - Wiley Online Library
A generation step for an electric excavator with a control strategy and verifications of energy consumption …
Hybrid energy storage systems (HESSs), which combine energy- and power-optimised sources, seem to be the most promising solution for improving the overall performance of energy storage.
Developments in energy regeneration technologies for hydraulic excavators…
To verify the effectiveness of this system, a real test bench based on a 6-ton hydraulic excavator was performed. The experimental results showed that 50.1% energy consumption of the boom and 64.9% peak power of the power source can be reduced in the proposed system compared with the double-chamber system.
Design and Research on Electro-Hydraulic Drive and Energy Recovery System of the Electric Excavator …
Energies 2022, 15, 4757 3 of 17 storage component, the accumulator plays an important role in low processing cost and high power density, while the battery has the advantages of low power density and high energy storage density. However, the …
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