Temat: Inverter - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Experimental results of parallel connected inverters feeding medium voltage transformer
Autorzy:: Kozak, M.
Powiązania:: https://bibliotekanauki.pl/articles/377860.pdf
Data publikacji:: 2017
Wydawca:: Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
Tematy:: electrical transformer
line side inverter
inrush currents
inverter parallel operation
Opis:: Development of medium voltage, high power ship electrical installations on board of special purpose vessels, has led to use of grid side inverters along with step-up grid transformers. In this paper there is presented theoretical background and experimental results of two inverters in parallel connection feeding one 0,4/15 kV transformer.
Źródło:: Poznan University of Technology Academic Journals. Electrical Engineering; 2017, 90; 359-368
1897-0737
Pojawia się w:: Poznan University of Technology Academic Journals. Electrical Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Initial Excitation Issues of Synchronous Generator with VSI Inverter in Varying Rotational Speed Operation
Autorzy:: Kozak, M.
Powiązania:: https://bibliotekanauki.pl/articles/2064987.pdf
Data publikacji:: 2018
Wydawca:: STE GROUP
Tematy:: synchronous generator
initial excitation
FOC control
voltage source inverter
synchronization
Opis:: Synchronous self-excited generators still are and probably will be the most popular 3-phase alternators installed in inland power stations so onboard of seagoing ships. Because of fuel savings and environmental restrictions Diesel, dual-fuel and gas propulsion engines for alternators of wide-range varying revolutions drives are increasingly used. There must be efficient way of creating 3-phase voltages of desired constant parameters ensured when generator produces variable amplitudes and frequencies of voltages because of changing rotational speed. As the control method modified field oriented control widely used with squirrel cage induction machines was chosen. This control method involves decoupling of currents and control voltages to flux and torque components and keeping them in optimal (orthogonal) condition. In order to obtain proper excitation and operation of such generator several factors have to be taken into account. Nonlinear dependence of voltage generated from rotational speed of self-excited synchronous generator is one of the factors that affects initial excitation process thus specific control method while generator startup. Theoretical background of synchronous generator excitation and voltage source inverter adopted FOC control method along with experimental results obtained in laboratory test bench of 5,5 kW generator and conclusions were presented.
Źródło:: Multidisciplinary Aspects of Production Engineering; 2018, 1, 1; 377--383
2545-2827
Pojawia się w:: Multidisciplinary Aspects of Production Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Simulation and experimental examinations of voltage inverter and synchronous generator synchronization system with the use of VisualDSP++ 5.0 environment
Autorzy:: Kozak, M.
Powiązania:: https://bibliotekanauki.pl/articles/97413.pdf
Data publikacji:: 2016
Wydawca:: Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
Tematy:: synchronous generator
machine inverter
Radix–2 FFT
synchronization
DSP
real–time
Opis:: This study describes the operation of the programming algorithm used to synchronize the machine VSI inverter with the rotating synchronous generator. Presented algorithm which bases on the Radix–2 Fourier transform allows to synchronize the inverter with the machine with variable in wide range rotating speed. This study presents the results obtained with use of the simulation software and the auxiliary software created with the use of VisualDSP++ 5.0 development environment and exemplary results of an algorithm operation in the laboratory test stand.
Źródło:: Computer Applications in Electrical Engineering; 2016, 14; 210-219
1508-4248
Pojawia się w:: Computer Applications in Electrical Engineering
Dostawca treści:: Biblioteka Nauki

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