13.07.2015 Views

Modulação Vetorial Aplicada ao Retificador Trifásico PWM - Ivo Barbi

Modulação Vetorial Aplicada ao Retificador Trifásico PWM - Ivo Barbi

Modulação Vetorial Aplicada ao Retificador Trifásico PWM - Ivo Barbi

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177A Fig. 7-12 mostra o diagrama completo do sistema simulado.RepeatingSequenceS/HSampleand Hold5ConvertConversion4PulseGenerator5Kdesacopl1-K-Sum3DdDqDalfaDbetaTransformaçãoDQ Inversa Q15DaDalfaDbDbetaDcModulação<strong>Vetorial</strong> Q15U1 D1U2 D2U3 D3<strong>PWM</strong>TrifásicoDA IAIBDBICVoDCRetifcador <strong>PWM</strong> YErroVIDrefIDref IDref f iltErroId DdlinhaSum5Compensador deTensão0ConstantPulseGenerator6ConvertConversion5Filtro deReferênciaSum1Sum2ErroIq DqlinhaCompensador deCorrenteKdesacopl-K-Compensador deCorrenteSum4X1XdX2XqX3Transformaçãode Park Q15ConvertConversion2ConvertConversion1ConvertConversion3S/HSampleand Hold1S/HSampleand Hold2-K-KAD2PulseGenerator1-K-KAD1PulseGenerator2-K-KI131420s+31420Filtro anti aliasing1-K-KI231420s+31420Filtro anti aliasing2S/HSampleand Hold6ConvertConversion6S/HSampleand Hold431420s+31420Filtro anti aliasing4S/HSampleand Hold3PulseGenerator3PulseGenerator4KAD4-K--K-KAD3KI331420s+31420Filtro anti aliasing3KV1-K--K-Fig. 7-12 - Diagrama completo utilizado na simulação.Na Fig. 7-13 é mostrado o estágio de potência do retificador unidirecional utilizadonestas simulações.m2221g1g1g1g2Ideal Switch3Ideal SwitchmIdeal Switch1mIdeal Switch2mStepDiode17Parallel RLC Branch2Parallel RLC Branch+v 4-Voltage MeasurementVoParallel RLC Branch1mmakaakkaakkakDiode7mmDiode5mDiode8mDiode4mDiode6makakDiode2maamkkmamkDiode16Diode18Diode3Diode9mmakakakDiode13mDiode14mm++i-+i-i-aakkakakDiode11DA2DBDiode113DCmDiode10Diode12Diode151 IA2 IB3 ICCurrent Measurement2Current Measurement1Current MeasurementLALA1LA2Va2Va1Va3Fig. 7-13 – Estágio de potência.

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