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1
Content available Mechatronic system with the control of voltage in permanent magnet synchronous generator
Tarnapowicz D., German-Galkin S.
New Trends in Production Engineering
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2018
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Vol. 1, Iss. 1
531--537
EN
In recent years, the use of Permanent Magnet Synchronous Generator (PMSG) in ship power plant system has increased. PMSGs are characterized by better properties than the classic and commonly used synchronous generators. In comparison with classic synchronous generators, PMSGs do not have a voltage regulator, and hence as the load increases, the voltage at the output of the generator decreases. The article presents the use of an active voltage inverter with the task to maintain a constant voltage on the receiver along with the load’s increase. Simulation studies confirming the effectiveness of the proposed method were carried out
2
Content available International standardization in the design of “Shore To Ship” - power supply systems of ships in port
Tarnapowicz D., German-Galkin S.
Management Systems in Production Engineering
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2018
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nr 1 (26)
9--13
EN
The decisive source of air pollution emissions in ports is the berthed ships. This is primarily caused by the work of ship’s autonomous generator sets. One way of reducing the air pollution emissions in ports is the supply of ships from electricity inland system. The main problem connected with the power connection of ships to the inland network is caused by different values of levels and frequencies of voltages in these networks (in various countries) in relation to different values of levels and frequencies of voltages present in the ship’s network. It is also important that the source power can range from a few hundred kW up to several MW. In order to realize a universal „Shore to Ship” system that allows the connection of ships to the electricity inland network, the international standardization is necessary. This article presents the current recommendations, standards and regulations for the design of „Shore to Ship” systems.
3
Content available Parametric-active compensation of earth fault current in an IT-type network
German-Galkin S., Hrynkiewicz J.
Power Electronics and Drives
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2017
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Vol. 2 (37), No. 1
81--87
EN
The parametric-active compensation of earth leakage currents which minimalized virtual capacitance current in ships of IT-type network has been discussed. The protection is based on automatic compensation of leakage earth currents. The protection system is governed by a controller. The results of simulation tests have been presented. The parametric-active compensation of earth leakage currents which minimalized virtual capacitance current in ships with IT-type network has been discussed.
4
Content available The use of generating sets with LNG gas engines in “Shore to Ship” systems
Tarnapowicz D., German-Galkin S.
Management Systems in Production Engineering
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2016
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nr 3 (23)
172--177
EN
The main sources of air pollution in ports are ships, on which electrical energy is produced in the autonomous generating sets Diesel-Generator. The most effective way to reduce harmful exhaust emissions from ships is to exclude marine generating sets and provide the shore-side electricity in “Shore to Ship” system. The main problem in the implementation of power supply for ships from land is connected with matching parameters of voltage in onshore network with marine network. Currently, the recommended solution is to supply ships from the onshore electricity network with the use of power electronic converters. This article presents an analysis of the „Shore to Ship” system with the use of generating sets with LNG gas engines. It shows topologies with LNG – Generator sets, environmental benefits of such a solution, advantages and disadvantages.
PL
Głównym źródłem zanieczyszczenia powietrza w portach są statki morskie, na których energie elektryczną wytwarza się w autonomicznych zespołach prądotwórczych Diesel- Generator. Najbardziej skutecznym sposobem ograniczenia szkodliwych emisji spalin przez statki jest wyłączenie okrętowych zespołów prądotwórczych i dostarczenie energii elektrycznej z lądu w systemie „Shore To Ship”. Główny problem realizacji zasilania statków z lądu związany jest z dopasowaniem parametrów napięcia sieci lądowej z siecią okrętową. Obecnie zalecanym rozwiązaniem jest zasilanie z elektroenergetycznej sieci lądowej z wykorzystaniem przekształtników energoelektronicznych. W artykule przeprowadzono analizę systemu „Shore To Ship” z wykorzystaniem zespołów prądotwórczych z silnikami gazowymi LNG. Przedstawiono topologie układów z generatorami LNG, korzyści ekologiczne takiego rozwiązania, zalety i wady.
5
Content available Mehatronnaa sistema s magnitokommutacionnoi masinoi
German-Galkin S., Hrynkiewicz J.
Zeszyty Naukowe / Akademia Morska w Szczecinie
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2009
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nr 19 (91)
39--46
PL
Artykuł omawia budow. silnikow wielotarczowych z komutacją magnetyczną. Opisano w nim cechy strukturalne silnika, dokonano analizy systemu mechatronicznego oraz przedstawiono wyniki symulacji.
EN
The paper deals with construction of multi-layer disc electric motor with magnetic flux commutation. The features of structure electric motor are shown, the analysis of mechatronic system is fulfilled, the simulation results are presented.
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