title: ÐÐ´ÐµÐ½ÑÐ¸ÑÐ¸ÐºÐ°ÑÐ¸Ñ Ð¿Ð°ÑÐ°Ð¼ÐµÑÑÐ¾Ð² ÑÐ½ÐµÑÐ³Ð¾ÑÐ¸ÑÑÐµÐ¼ Ð¿Ð¾ Ð´Ð°Ð½Ð½ÑÐ¼ Ð¼Ð¾Ð½Ð¸ÑÐ¾ÑÐ¸Ð½Ð³Ð° Ð¿ÐµÑÐµÑ Ð¾Ð´Ð½ÑÑ ÑÐµÐ¶Ð¸Ð¼Ð¾Ð²
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: Identification of power systems parameters based on wide area measurement systemâs data
Creators: name: ÐÐ¾ÑÐ»Ð°ÐºÐ¾Ð², ÐÐ»ÐµÐºÑÐµÐ¹
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: 2021
Subjects: Ð­Ð»ÐµÐºÑÑÐ¾ÑÐ½ÐµÑÐ³ÐµÑÐ¸ÑÐµÑÐºÐ¸Ðµ ÑÐ¸ÑÑÐµÐ¼Ñ
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description: The subject of the graduate qualification work is "Identification of power systems parameters based on wide area measurement systemâs data". This paper is devoted to the issue of parameters identification of power systems mathematical models in compliance with wide area measurement system (WAMS) and to the issue of estimating of automatic excitation control system optimum parameters in identified model. The research set the following goals: 1. Analysis and processing of wide area measurement system data in purpose its usage for mathematical modelâs identification. 2. Researching of parameter identification capability in simplest structure model âmachine-line-infinite busâ in programming environment MATLAB/Simulink. 3. Identification of model parameters in multimachine model based on empirical mode decomposition (EMD) method. 4. Estimating of optimum parameters of automatic excitation control system in identified model based on parameters joint coordination method. In the study parameters identification methods of mathematical models of different structure power grids and algorithms of determining automatic excitation control system optimum parameters based on eigenvaluesâ analysis were investigated. As the result of the study, algorithms of synchronized vector measurements data processing for data defect removal were analyzed and tested. Different methods of synchronous machines oscillation frequencies detection based on windowed Fourie transform was explored. Mathematical models identification methods in simplest structure model âmachine-line-infinite busâ and multimachine model in compliance with wide area measurement systems data was proposed. In particular, inertia constant of synchronous machine and coefficients automatic excitation control system were determined. In identified multimachine model optimum controllers coefficients were determined using parameters joint coordination method. The proposed parameters improve the stability characteristics in different operating conditions.