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Synchronous Reference Frames) ... 8
2.2.2 Método Utilizando Filtros Passa-Baixa (LPF-B - Low Pass Filter Based) ... 10
2.2.3 Método dos Vetores Filtrados no Espaço DESVF - Space Vector Filter) .... 11
2.2.4 Método dos Vetores Filtrados no Espaço DEModificado (MSVF - Modified Space Vector Filter) ... 12
2.2.5 Método Baseado no Filtro de Kalman Estendido (EKF - Extend Kalman Filter) 13 2.2.6 Método dos Mínimos Quadrados Recursivo (WLSE - Weighted Least-Square Estimation) ... 14
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2.2.8 Tabela Resumo dos Métodos Apresentados ... 17
0pWRGRVGH6LQFURQL]DomRHP0DOKD)HFKDGD 2.3.1 Estrutura Básica do PLL ... 18
2.3.2 Linearização para Pequenos Sinais ... 19
2.3.3 Detecção de Fase Baseado em Sinais em Quadratura ... 21
2.3.3.1 PLL tipo vq ... 22
2.3.3.2 PLL tipo vd ... 24
2.3.3.3 PLL Baseado no Delay de T/4 ... 24
2.3.4 PLL Tipo p e PLL Tipo q ... 25
2.3.5 Enhanced PLL (EPLL) ... 28
2.3.6.1 SOGI ... 30
2.3.6.2 SOGI-QSG ... 31
2.3.6.3 SOGI-FLL ... 33
2.3.7 DSOGI-FLL ... 36
2.3.8 SRF-PLL e DDSRF-PLL ... 38
2.3.8.1 SRF-PLL ... 38
2.3.8.2 DDSRF-PLL ... 39
2.3.9 Tabela Resumo dos Métodos Baseados em PLL Apresentados ... 42
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3.2.1.2 Motores Elétricos ... 48
3.2.1.3 Conversores de Frequência Estáticos Indiretos ... 49
3.2.1.4 Inversores Comutados pela Corrente de Carga ... 49
3.2.1.5 Inversores Fonte de Tensão ... 50
3.2.1.6 Tensões de Sinalização em Sistemas de Potência ... 50
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3.3.1.1 Determinação do Ângulo de Sincronismo ... 54
3.3.1.2 Determinação da Frequência ... 55
3.3.1.3 Determinação da Amplitude ... 58
3.3.2 Estrutura Trifásica do PLL ... 59
3.3.2.1 Determinação do Angulo de Sincronismo de Sequência Positiva, da Frequência e da Amplitude de Sequência Positiva... 60
$OJRULWPRGR3//3URSRVWR 3.4.1 Algoritmo do PLL para Sistemas Monofásicos ... 65
3.4.1.1 Filtro Adaptativo Adotado ... 67
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4.3.2 Análise Comparativa ... 85
4.3.2.1 Variação de Amplitude, da Frequência e da Fase do Sinal de Entrada ... 87
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4.4.2 Análise Comparativa ... 100
4.4.2.1 Variação de Amplitude, da Frequência e da Fase do Sinal de Entrada ... 102
5HVXOWDGRV([SHULPHQWDLV 4.5.1 Resultados Experimentais do PLL para Sistemas Monofásicos ... 107
4.5.1.1 Resultados em Regime Permanente ... 107
4.5.1.2 Resultados em Regime Transitório ... 110
4.5.1.3 Resultados da Análise Comparativa ... 112
4.5.2 Resultados Experimentais do PLL para Sistemas Trifásicos ... 116
4.5.2.1 Resultados em Regime Permanente ... 116
4.5.2.2 Resultados em Regime Transitório ... 122
4.5.2.3 Resultados da Análise Comparativa ... 125
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2.3.1 Estrutura Básica do PLL
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2.3.2 Linearização para Pequenos Sinais
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2 GLDJUDPD GH EORFRV GR 3// WLSR S H GR 3// WLSR T VmR DSUHVHQWDGRV QDV )LJXUDV H UHVSHFWLYDPHQWH 9DOH UHVVDOWDU TXH RV YDORUHV GH HQWUDGD GHVWHV DOJRULWPRV WrP TXH VHU QRUPDOL]DGRV SDUD TXH R PpWRGR GH VLQFURQL]DomR IXQFLRQH DGHTXDGDPHQWH2EORFRabcDEFRUUHVSRQGHDWUDQVIRUPDGDGH&ODUNH
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