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title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¼Ð°Ð³Ð¸ÑÑÑÐ°
titleType: Subtitle
title: Development of criteria for automatic analysis of the correctness of the functioning of synchronous generatorâs automatic excitation controllers based on synchronized vector measurements
Creators: name: ÐÐ¸ÑÐ°Ð¹Ð»Ð¾Ð², ÐÐµÐ½Ð¸Ñ
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2022
Subjects: ÐÐµÐ½ÐµÑÐ°ÑÐ¾ÑÑ ÑÐ¸Ð½Ñ ÑÐ¾Ð½Ð½ÑÐµ
Ð­Ð»ÐµÐºÑÑÐ¾ÑÐ½ÐµÑÐ³ÐµÑÐ¸ÑÐµÑÐºÐ¸Ðµ ÑÐ¸ÑÑÐµÐ¼Ñ
Ð°Ð²ÑÐ¾Ð¼Ð°ÑÐ¸ÑÐµÑÐºÐ¸Ð¹ ÑÐµÐ³ÑÐ»ÑÑÐ¾Ñ Ð²Ð¾Ð·Ð±ÑÐ¶Ð´ÐµÐ½Ð¸Ñ
ÑÐ¸ÑÑÐµÐ¼Ð° Ð¼Ð¾Ð½Ð¸ÑÐ¾ÑÐ¸Ð½Ð³Ð°
ÐºÐ¾Ð»ÐµÐ±Ð°ÑÐµÐ»ÑÐ½Ð°Ñ ÑÑÑÐ¾Ð¹ÑÐ¸Ð²Ð¾ÑÑÑ
automatic excitation controller
monitoring system
oscillatory stability

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description: The subject of the graduate qualification work is âDevelopment of criteria for automatic analysis of the correctness of the functioning of synchronous generatorâs automatic excitation controllers based on synchronized vector measurementsâ.Â The given work is devoted to checking the correctness of the criteria used in theÂ system regulators monitoring system to identify sources of undamped oscillations andÂ consideration of options for their modifying. The research set the following goals:Â 1. Development of an analytical model of a single-machine system for analysisÂ of the reaction of the generator with AEC to oscillations coming from outside in variousÂ circuit-mode situations.Â 2. Development of a simulation model of an electrical system in Matlab/SimulinkÂ and verification of conclusions obtained by analytical methods.Â 3. Consideration of options for modifying criteria to identify cases when theÂ generator's AEC is a source of undamped oscillations.Â An analytical model has been developed that allows reproducing of theÂ dependences of generatorâs electric parameters under the conditions of undampedÂ oscillations. For a large number of modes patterns of changes in the phase shift betweenÂ oscillations of reactive power and voltage were revealed.Â A model in Matlab/Simulink has been developed to verify the correctness of theÂ conclusions obtained in the analytical model under operating conditions of theÂ generator close to real ones.Â A new criterion is proposed to identify the AEC, which is a source ofÂ synchronous oscillations or does not participate in their damping.