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Wyszukujesz frazę "electrical efficiency" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Cogeneration systems
Autorzy:
Urbonienė, Virginija
Powiązania:
https://bibliotekanauki.pl/chapters/4173390.pdf
Data publikacji:
2019
Wydawca:
Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Tematy:
steam turbines
electrical efficiency
gas turbines
microturbines
internal combustion engine
Opis:
Cogeneration can be defined as the general production of thermodynamic heat and electricity from a single initial source of energy. The device, in which the process of cogeneration occurs, is called cogeneration device. Cogeneration changes separated electric energy and heat production. The separation of electric energy and heat production is characterized by substantial energy losses of initial fuel. In the separated power generation, the user receives the electric energy, which is produced by the large-scale power plants and heat is produced in high-efficiency boilers. In this case losses make about 40% in produced heat and 60% – produced electric energy.
Źródło:
Buildings 2020+. Energy sources; 213-254
9788365596727
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Comparative study of the parallel and angular electrical gripper for industrial applications
Autorzy:
Fotuhi, Mohammad Javad
Bingul, Zafer
Powiązania:
https://bibliotekanauki.pl/articles/1837935.pdf
Data publikacji:
2021
Wydawca:
Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Tematy:
electrical lead screw-driven industrial gripper mechanism
LSDIGM
efficiency
position root mean square error
PRMSE
parallel electrical gripper
PEG
angular electrical gripper
AEG
Opis:
The aim of this paper is to study the position and power performances of an electrical lead screw-driven industrial gripper mechanism (LSDIGM). This work consists of designing and developing an electrical LSDIGM that has the potential to meet various demands in the automation industry and factories. The performances of both angular electrical gripper (AEG) and parallel electrical gripper (PEG) mechanisms were compared based on their position and power efficiency. The position efficiency of these electrical LSDIGM is computed from the position root mean square error (PRMSE) obtained from errors between the two measured positions (input incremental encoder and output linear encoder). In the experimental setup, a current sensor and a spring were employed to measure the current in the input of the system and the stiffness in the output of the system, respectively. The electrical power in the input of the electrical LSDIGM and the mechanical power in the output of the LSDIGMs were calculated using the current and the spring force, respectively. Finally, the power efficiency of these electrical LSDIGMs was examined and compared at different velocity circumstances.
Źródło:
Acta Mechanica et Automatica; 2021, 15, 2; 66-73
1898-4088
2300-5319
Pojawia się w:
Acta Mechanica et Automatica
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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