Title: Selected problems of autonomic operation of three-phase synchronous generators
Authors: Stein, Zbigniew
Zielińska, Maria
Citation: AMTEE ’07 : seventh international conference on Advanced Methods in the Theory of Electrical Engineering : September 10-12, 2007 [Pilsen, Czech Republic].
Issue Date: 2007
Publisher: University of West Bohemia
Document type: konferenční příspěvek
URI: http://amtee.zcu.cz/AMTEE/ArchivedProceedings/proceedings_AMTEE_2007/data/section_i.html
ISBN: 978-80-7043-564-9
Keywords: elektrické stroje;synchronní generátor;asymetrie proudů;asymetrické zatížení generátorů
Keywords in different language: electrical machines;synchronous generator;asymmetry of currents;asymmetric loads of generators
Abstract in different language: The paper presents selected problems related to autonomous operation of three-phase synchronous generators used in diesel-electric sets appropriated to emergency supply of various receivers of electric power located in stationary, communal, or industrial objects in case of failure of the basic electric power supply. A set of equations adapted to analysing the conditions of autonomous operation of three-phase synchronous generators is presented (in the conditions defined by means of computer simulations). The equations are presented in the form enabling analysis of the operation conditions of the generators driven by combustion engines of oscillating rotational speeds that, inducing variations of the frequencies of induced electromagnetic forces. The equations are so formulated as to allow for analysing operation of the generators under various operation conditions, particularly forced by asymmetric impedances of the receivers. The equations enable analysis of non-symmetric conditions of the generator operation states, among others, in the cases like single-phase asymmetric loads or internal asymmetry giving rise to electromotive forces of symmetric components of negative and zero sequence. The equations enable calculating the active and reactive power delivered by the generators under various frequency values and asymmetric conditions. The formulated equations were used for calculating characteristic parameters of generators under various operation conditions.
Rights: © University of West Bohemia
Appears in Collections:CPEE – AMTEE 2007

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