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Computer model analysis of dynamic performances of the excitation control system when the load angle limiter is active
Analiza dinamičkih karakteristika sistema za regulaciju pobude kada je aktivan limiter ugla snage primenom računarskog modela
aUniversity of Belgrade, Electrical Engineering Institute 'Nikola Tesla' bElpro doo, Vranje cJavno preduzeće Elektroprivreda Srbije, Beograd
email: dusan.joksimovic@ieent.org
Abstract
A load angle limiter was implemented as an additional function in the existing excitation system to enable the operation of the synchronous generator in the entire P-Q diagram according to the recommendation of the manufacturer of the unit B2 synchronous generator in the "Nikola Tesla B" TPP. The analysis of dynamic performance presented in this paper consists of determining the time responses and frequency characteristics of the excitation control system when the load angle limiter is active, based on which the values of the dynamic performance indexes were obtained. In addition, the paper also provides a brief description of the implementation of the limiter, as well as a description of the computer models used in the analysis.
Sažetak
Prema preporuci proizvođača sinhronog generatora bloka B2 u TE "Nikola Tesla B" u postojećem sistemu pobude je kao dodatna funkcija realizovan limiter ugla snage kako bi se pogonski dijagram agregata mogao u potpunosti koristiti. U okviru analize dinamičkih karakteristika koja je prikazana u radu najpre su određeni vremenski odzivi i frekventne karakteristike sistema za regulaciju pobude kada je aktivan limiter ugla snage. Na osnovu njih su dobijene vrednosti pokazatelja dinamičkih performansi koji govore o kvalitetu regulacije. U radu je uz analizu dinamičkih karakteristika dat i kratak opis realizacije limitera, kao i opis računarskih modela primenjenih pri analizi.
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