Wszystkie pola: grounding systems - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Analysis and monitoring of electrical grounding grid encapsulated with concrete: case study using simulation in finite element method
Autorzy:: Pereira, T. M.
Lima, R.
Gomes, V. M.
Calixto, W. P.
Alves, A. J.
Powiązania:: https://bibliotekanauki.pl/articles/136184.pdf
Data publikacji:: 2017
Wydawca:: EEEIC International Barbara Leonowicz Szabłowska
Tematy:: grounding systems
finite elements method
Opis:: This work study the influence of concrete, plaster, clay and others buried structures in grounding systems. Comparison of soil characteristics between dry and rainy seasons on different grounding systems. The study includes comparison of six different grounding system on dry season and wet season. Simulations in finite element method was performed for tree layer stratified soil and the electrostatic equipotential surfaces were mapped into the region of interest.
Źródło:: Transactions on Environment and Electrical Engineering; 2017, 2, 2; 31-36
2450-5730
Pojawia się w:: Transactions on Environment and Electrical Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Metod obosnovanija racional'nykh parametrov sistem predvaritel'nojj ochistki zerna
Method of the grounding the rational parameters of systems for the precleaning of grain
Autorzy:: Sydorchuk, A.
Skibchyk, V.
Dnes, V.
Sydorchuk, L.
Powiązania:: https://bibliotekanauki.pl/articles/78183.pdf
Data publikacji:: 2015
Wydawca:: Komisja Motoryzacji i Energetyki Rolnictwa
Tematy:: grain processing
grain cleaning
harvesting system
transport system
structural analysis
rational parameter
statistical modelling
Źródło:: Motrol. Motoryzacja i Energetyka Rolnictwa; 2015, 17, 7
1730-8658
Pojawia się w:: Motrol. Motoryzacja i Energetyka Rolnictwa
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Analysis of the neutral grounding modes influence on the reliability characteristics of local systems with renewable energy sources
Autorzy:: Ostapchuk, Oleksandr
Kuznetsov, Valeriy
Kruczek, Włodzimierz
Kuznetsov, Vitaliy
Tsyplenkov, Dmytro
Powiązania:: https://bibliotekanauki.pl/articles/1840882.pdf
Data publikacji:: 2021
Wydawca:: Polska Akademia Nauk. Polskie Towarzystwo Diagnostyki Technicznej PAN
Tematy:: electric networks
protection
reliability
ground failure current
electrical safety
system with isolated neutral
system with resonant grounding
system with low-impedance neutral grounding
sieć elektryczna
ochrona
niezawodność
bezpieczeństwo
Opis:: When comparing the performance indicators of electrical networks with different types of neutral grounding, along with the fulfilment of the requirement to ensure reliability of power supply to consumers, serious attention is drawn to the main network parameters influencing the performance of power supply systems. Analysis of research and its results, reported above, on the influence of the neutral ground of power networks on the reliability and electrical safety conditions of the power supply systems as a whole, on the damage of distribution networks and electrical equipment as well as on the working capacity of relay protection devices, provides an opportunity to estimate each specific operation mode of the neutral and to develop recommendations aimed at strengthening the positive indicators of the corresponding modes. Other things being equal, reliability of power supply to electrical receivers or reliability of distribution networks is mainly determined by the damage to network elements and the performance of relay protection devices. The degree of influence of these factors on the reliability of distribution networks depends on the neutral mode, which in turn determines the level of internal overvoltages and the nature of transient processes at earth fault.
Źródło:: Diagnostyka; 2021, 22, 1; 45-56
1641-6414
2449-5220
Pojawia się w:: Diagnostyka
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Monitoring system of extreme loadings of propulsion system’s foundation : design assumptions
Autorzy:: Kyzioł, L.
Murawski, L.
Powiązania:: https://bibliotekanauki.pl/articles/242588.pdf
Data publikacji:: 2013
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: marine structural health monitoring
propulsion system diagnostic
marine engines’ foundations
underwater explosion
ship grounding
optical time-domain reflectometer
Fibre Bragg Grating
Opis:: Project of on-line diagnostic (monitoring) system of marine propulsion system working parameters is the authors' general target. Proper propulsion system’s foundation is one of the most important parameters for its reliable operation. Different types of quasi-static loadings and dynamic excitations can be observed during ships exploitation. Presented research has been limited to extreme loadings. Underwater explosions or ship groundings are considered examples of extreme foundation loadings. Analysis of the physical parameters of the extreme forces has been presented in the first part of the paper. Water pressure spatial and non-spatial (time) distribution during underwater explosion has been analysed as an example. Short overview of the dynamic mathematical models of underwater explosions is presented. Time function of vibrations acceleration of ship construction is important design assumption of planned Structural Health Monitoring (SHM) system. Propulsion system's foundation loading measurements should take into account general ship hull deformation (in the aft part of the ship) as well as reactions changes of main engine and shaft line bearings. Ship hull deformation should be monitored as quasi-continuous measurements, along whole propulsion system. Optical Time-Domain Reflectometer method (OTDR) is planned for hull deformation monitoring. Propulsion system bearings' reactions are a source of local foundation pads' strain changes. Fibre Bragg Grating (FBG) sensors are the best for that kind of measurements, in authors opinion. Both techniques (OTDR and FBG) have been shortly described in the paper. Scheme of monitoring system of marine propulsion systems foundation's loadings are proposed in the end of the article.
Źródło:: Journal of KONES; 2013, 20, 1; 155-162
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Grounding of the frequency range choice in the system of monitoring of the operation reliability of the technical systems
Obosnovanie vybora chastotnogo diapozona v sisteme kontrolja operativnojj nadezhnosti tekhnicheskikh sistem
Autorzy:: Marchenko, D.
Powiązania:: https://bibliotekanauki.pl/articles/793741.pdf
Data publikacji:: 2012
Wydawca:: Komisja Motoryzacji i Energetyki Rolnictwa
Tematy:: monitoring
operation reliability
technical system
cluster
statistical method
corrosion
erosion
dispersion
crack
methodology
Opis:: There grounded the frequency range choice in the system of the operation reliability of the technical systems based on the application of probabilistic – statistical method.
Обоснован выбор частотного диапазона в системе оперативной надежности технических систем, основанный на приложении вероятностно- статистического метода.
Źródło:: Teka Komisji Motoryzacji i Energetyki Rolnictwa; 2012, 12, 3
1641-7739
Pojawia się w:: Teka Komisji Motoryzacji i Energetyki Rolnictwa
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 6.

Tytuł:: Obosnovanie ehtapov sistemnogo issledovanija processov upravlenija konfiguraciejj proektov sistem podderzhki prinjatija reshenijj v polevodstve
Grounding of stages of system research of processes for the management by project configuration of decision support systems in the field husbandry
Autorzy:: Sivakovskaja, E.
Powiązania:: https://bibliotekanauki.pl/articles/77163.pdf
Data publikacji:: 2015
Wydawca:: Komisja Motoryzacji i Energetyki Rolnictwa
Tematy:: decision support system
project management
configuration
systemic approach
induction
Źródło:: Motrol. Motoryzacja i Energetyka Rolnictwa; 2015, 17, 7
1730-8658
Pojawia się w:: Motrol. Motoryzacja i Energetyka Rolnictwa
Dostawca treści:: Biblioteka Nauki

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