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Wyświetlanie 1-10 z 258
Tytuł:
Wymiary zarządzania energią: podejście multilateralne
Dimensions of Energy Management: Overall Approach
Autorzy:
Polaszczyk, Jan
Powiązania:
https://bibliotekanauki.pl/articles/2195094.pdf
Data publikacji:
2019-11
Wydawca:
Uniwersytet Warszawski. Wydawnictwo Naukowe Wydziału Zarządzania
Tematy:
zarządzanie energią
wymiary zarządzania energią
energy management
energy management dimensions
Opis:
Rozwój technologiczny implikuje ciągły wzrost popytu na energię, co stwarza potrzebę kontroli jej produkcji, dystrybucji i konsumpcji. Powstaje w tym zakresie wiele nowych rozwiązań, zarówno technologicznych, jak i systemowych. Mając powyższe na uwadze, zoptymalizowane zarządzanie energią promujące ekologiczne zachowania w różnych skalach jest niezwykle istotne. Zarządzanie energią to tematyka często podejmowana przez autorów literatury, jednakże brak w niej jednolitej nomenklatury podziału zagadnienia. Opracowania traktują jedynie o konkretnych zastosowaniach przedmiotu niniejszego artykułu. Autor podejmuje próbę stworzenia klasyfikacji podziału zarządzania energią w różnych wymiarach, opierając się na badaniach literatury przedmiotu. Ponadto artykuł zawiera odniesienie wielu płaszczyzn energetyki do funkcji zarządzania.
Technological development implies a constant increase in energy demand, which creates a need for an effective tool for control of its production, distribution and consumption. There are a variety of solutions that have come up recently in the technological and system approach to this cause. Having said this, optimized energy management which promotes eco-friendly behaviors in different scales seems to be essential. Energy management is a subject widely taken up by literature authors, yet it has not been summarized and its consistent nomenclature has not been created. Existing works only consist of specified solutions of the described subject. The author attempts to create a classification of division of energy management in its many dimensions on the basis of a related literature review. Moreover, this article refers many perspectives of energy to main management functions.
Źródło:
Studia i Materiały; 2019, 2(31); 33-40
1733-9758
Pojawia się w:
Studia i Materiały
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Possibilities for Energy Saving Predictions in Elevators
Autorzy:
Rao, Anand
Mircevski, Slobodan
Powiązania:
https://bibliotekanauki.pl/articles/1955987.pdf
Data publikacji:
2021
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
energy management
drive
elevator
PMSM
Opis:
Today, with the longing for smart and sustainable transportation, the elevator industry has undergone major metamorphism in the field of control algorithm, electric drive, and the motor. Amongst these, regenerative drive (RD) plays a pivotal role in making elevator technology more energy efficient. Rather than wasting the recovery energy from the machine as heat, RD recovers it as green energy. Conventional direct current (DC) motors ruled the elevator industry for many years and were adopted as standard type of elevator motors. But with the advancement in electric drive technology, alternating current (AC) motors, especially induction motors, flourished in the later part. Recently with the introduction of Permanent Magnet Synchronous Motors (PMSM) technology, the elevator revolution began in terms of power quality, ride quality, and green energy. Likewise, contrasted with different types of vertical transportation machines, PMSMs have better powerful execution, compact size, and higher system-level efficiency. Recently, with the rapid improvement in intensity hardware, utilization of rare earth magnetic materials, and indubitably advanced research, PMSM has rapidly changed systems globally. PMSM is a multivariable, nonlinear, and high-coupling framework. The torque and stator current present a unique capacity connection. Attractive fields can be decoupled to gain decent power outcomes. With the presentation of regenerative PMSM, electrical drives coupled to system integrated frameworks for recovery energy has enhanced savings in power consumptions.
Źródło:
Power Electronics and Drives; 2021, 6, 41; 218-228
2451-0262
2543-4292
Pojawia się w:
Power Electronics and Drives
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of energy efficiency in Poland in 2008-2018 in the context of sustainable development
Autorzy:
Pacana, Andrzej
Czerwińska, Karolina
Powiązania:
https://bibliotekanauki.pl/articles/1818431.pdf
Data publikacji:
2020
Wydawca:
Instytut Polityki Energetycznej im. Ignacego Łukasiewicza
Tematy:
energy efficiency
ODEX index
energy management
energy production
Opis:
Analysing the Polish energy sector, changes in the market can be seen as a consequence of growing role of EU regulations, which increasingly affect the functionality of national and local markets. As a general rule, the basis of regulation is set out in the adopted strategy papers, indicating developmental desires within the energy market. The energy policies that are taken, which define the implementation measures, should guarantee the secu-rity of investment in the long term. The increase in energy efficiency generates significant financial savings while generating benefits for the environment, industry, transport or households. As part of monitoring the level of en-ergy efficiency, the ODYSSEE-MURE programme has developed the ODEX indicator. The aim of thestudy was to analyze the level of efficiency in Poland in general and with an indication of three main sectors, as well as the level of Polish energy savings in the years 2008-2018. The research showed that the increase in energy efficiency of the Polish economy in the period under consideration is systematically increasing. Overall, between 2008 and 2018, the average rate of energy efficiency improvement was 1. 7% per year. On the other hand, savings achieved in 2018 within the indicated sectors amounted to 0.10 Mtoe.
Źródło:
Energy Policy Studies; 2020, 2 (6); 29--42
2545-0859
Pojawia się w:
Energy Policy Studies
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of energy efficiency in Poland in 2008-2018 in the context of sustainable development
Autorzy:
Pacana, Andrzej
Czerwińska, Karolina
Powiązania:
https://bibliotekanauki.pl/articles/1818438.pdf
Data publikacji:
2020
Wydawca:
Instytut Polityki Energetycznej im. Ignacego Łukasiewicza
Tematy:
energy efficiency
ODEX index
energy management
energy production
Opis:
Analysing the Polish energy sector, changes in the market can be seen as a consequence of growing role of EU regulations, which increasingly affect the functionality of national and local markets. As a general rule, the basis of regulation is set out in the adopted strategy papers, indicating developmental desires within the energy market. The energy policies that are taken, which define the implementation measures, should guarantee the secu-rity of investment in the long term. The increase in energy efficiency generates significant financial savings while generating benefits for the environment, industry, transport or households. As part of monitoring the level of en-ergy efficiency, the ODYSSEE-MURE programme has developed the ODEX indicator. The aim of thestudy was to analyze the level of efficiency in Poland in general and with an indication of three main sectors, as well as the level of Polish energy savings in the years 2008-2018. The research showed that the increase in energy efficiency of the Polish economy in the period under consideration is systematically increasing. Overall, between 2008 and 2018, the average rate of energy efficiency improvement was 1. 7% per year. On the other hand, savings achieved in 2018 within the indicated sectors amounted to 0.10 Mtoe.
Źródło:
Energy Policy Studies; 2020, 2 (6); 29--42
2545-0859
Pojawia się w:
Energy Policy Studies
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Multi-source energy networks for cargo Vessels
Autorzy:
Ahmed, S.
Castellazzi, A.
Williams, A.
Powiązania:
https://bibliotekanauki.pl/articles/136252.pdf
Data publikacji:
2016
Wydawca:
EEEIC International Barbara Leonowicz Szabłowska
Tematy:
ship
energy management
renewable energy
solar
marine
storage
Opis:
The paper discusses the feasibility of installing renewable energy generation technologies on sea-going transport, taking into account the additional weight and power consumption. This study in based on the power management of a 26,198 tonne commercial chemical tanker. The management system would aim at reducing the number of generators as well as the power required from burning fossil fuels. After a process of elimination of potential technologies based on feasibility of the project and shipboard application, the work is focused towards photovoltaic and wind energy generation in combination with fossil fueled engines and Li-ion battery storage covering the higher energy density needs, and the intermittent nature of renewables. The network architecture is optimized in order to have the highest efficiency, and reduced system weight. The results show that successful management of the system can lead to reduction in generator requirement, and energy despite the weight of extra installations of photovoltaic and wind energy generation systems. By reducing the number of generators and allowing each remaining one to operate near their maximum power, the specific fuel consumption is improved, the efficiency is increased, resulting in significant fuel and cost saving, along with the mass of fuel to be carried on-board.
Źródło:
Transactions on Environment and Electrical Engineering; 2016, 1, 4; 37-43
2450-5730
Pojawia się w:
Transactions on Environment and Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Cold storage-supported air conditioning system in urban transport vehicles
Autorzy:
Jarzyna, W.
Zielinski, D.
Aftyka, M.
Fatyga, K.
Powiązania:
https://bibliotekanauki.pl/articles/124731.pdf
Data publikacji:
2016
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
thermal energy storage
electric city bus
energy management
Opis:
A bottleneck for the development of public transport vehicles is their electricity supply. Electric buses are almost exclusively equipped with electrochemical batteries, while nearly 40% of the energy is used in the processes of air conditioning. For this reason, we developed and built a demonstration system for storing thermal energy in public transport vehicles. The most important effects are: significant reduction of financial expenses and of the total weight of all batteries with the same amount of stored energy.
Źródło:
Journal of Ecological Engineering; 2016, 17, 5; 120-127
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Węgiel brunatny filarem polskiej energetyki w XXI wieku
Brown coal as a filar of Polish energetics in the 21st century
Autorzy:
Kasztelewicz, Z.
Zajączkowski, M.
Powiązania:
https://bibliotekanauki.pl/articles/2066129.pdf
Data publikacji:
2008
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
węgiel brunatny
energetyka
brown coal
energy management
Źródło:
Przegląd Geologiczny; 2008, 56, 8/2; 742-751
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Educational Tasks of Logistics in the Knowledge-Based Economy
Autorzy:
Bujko, Jan
Ajavon, Ayite Senah
Powiązania:
https://bibliotekanauki.pl/articles/504657.pdf
Data publikacji:
2014
Wydawca:
Międzynarodowa Wyższa Szkoła Logistyki i Transportu
Tematy:
logistics education
knowledge based economy
energy management
Opis:
The aim of the article is to present adaptation of logistics information technology to the state's needs in the knowledge based society. This subject is closely linked to energy management, which must include power generation development models in countries. The essence of the presented considerations is to trigger changes in the reconstruction of the energy infrastructure - activate the PROSUMER value chain.
Źródło:
Logistics and Transport; 2014, 24, 4; 31-36
1734-2015
Pojawia się w:
Logistics and Transport
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Use of Process Energy Characteristics to Predict Energy Performance Indicators on an Ongoing Basis
Wykorzystanie charakterystyk energetycznych procesu do przewidywania wskaźników energetycznych na bieżąco
Autorzy:
Sadowska, J.
Powiązania:
https://bibliotekanauki.pl/articles/397521.pdf
Data publikacji:
2016
Wydawca:
ENERGA
Tematy:
energy management
energy intensity
industry
gospodarka energetyczna
energochłonność
przemysł
Opis:
This paper presents possible uses of process energy characteristics for ongoing monitoring of energy indicators. The method of ongoing monitoring of indicators consists in comparison of indicators determined on the basis of the processes’ energy characteristics. The method is primarily applicable in early detection and elimination of excessive and irrational energy consumption and in adjustments of the current energy management.
W artykule autorka zaprezentowała możliwości wykorzystania charakterystyk energetycznych procesu do bieżącej kontroli wskaźników energetycznych. Metoda bieżącej kontroli wskaźników wykorzystuje jako wartości porównawcze wskaźniki wyznaczane na podstawie charakterystyk energetycznych procesów. Metoda ma przede wszystkim zastosowanie do wczesnego wykrywania i eliminowania nadmiernego, nieracjonalnego zużycia nośników energii oraz zmian w prowadzonej gospodarce energetycznej.
Źródło:
Acta Energetica; 2016, 3; 133-138
2300-3022
Pojawia się w:
Acta Energetica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Energy efficient small inland passenger shuttle ferry with hybrid propulsion - concept design, calculations and model tests
Autorzy:
Kunicka, Magdalena
Litwin, Wojciech
Powiązania:
https://bibliotekanauki.pl/articles/259786.pdf
Data publikacji:
2019
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
ship hybrid propulsion
energy efficiency
green shipping
energy management
Opis:
In recent years, there has been a significant development in “green” and energy efficient propulsion systems, which fits into the general trend of environmentally friendly “green shipping”. The pursued goal is to construct a safe passenger ship that is low in energy demand and equipped with a highly energy efficient, emission-free propulsion system. The paper presents main problems encountered by designers of a small, hybrid-powered ferry powered lithium batteries. The conducted research allowed to create a design of an energy efficient hull shape, which decreases the demand for energy. Completed remote control model tests resulted in a proposal of an energy efficient and safe propulsion system with good manoeuvring capabilities. Measurements completed on an existing ferry permitted completing energy balance and forming an energy management policy. The paper contains the emission calculations computed for the existing ferry that are necessary for the environmental impact analysis. The soon to be constructed, newly designed vessel will provide a valuable contribution to hybrid-propulsion, energy management and unmanned technologies research.
Źródło:
Polish Maritime Research; 2019, 2; 85-92
1233-2585
Pojawia się w:
Polish Maritime Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-10 z 258

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