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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144PPPD A1D B1D C1iO() tD A1D B1D C1iO () tD A1D B1D C1S A1D A3S B1D B3S C1iO ( t)D C3SA1S A2A B CDA3DA4SB1DB3SB2DB4S C1DC3SC2DC4COR O+V O−SA1S A2A B CDA3DA4SB1DB3SB2DB4S C1DC3SC2DC4COR O+V O−ABCS A2D A4S B2D B4S C2D C4CORO+V O−D A2D B2D C2D A2D B2D C2D A2D B2D C2LALBLCNLALBLCNLALBLCNiA() t iB( t )iC() tiA( t )iB( t )iC( t)iA ( t ) iB( t ) iC( t)vA( t )v B ( )v ( ) C tvA( t )v B ( )v ( ) C tvA( t ) v B ( ) v ( ) C t200Va)200Vb)200Vc)Id( t)Id( t)Id( t)100V100V100VIq() tIq( t)Iq( t)0V0V0V-100V0s 20ms 40ms 60ms 80ms 100ms 120ms 140msV(Id)*50 V(Iq)*50425Vd)Time-100V0s 20ms 40ms 60ms 80ms 100ms 120ms 140msV(Id)*50 V(Iq)*50425Ve)Time-100V0s 20ms 40ms 60ms 80ms 100ms 120ms 140msV(Id)*50 V(Iq)*50425Vf)Time420V420V420V410V410V410V400V400V400V395V395V395V30ms 30ms 40ms 50ms 60ms 70ms 80ms30ms 40ms 50ms 60ms 70ms 80ms40ms 50ms 60ms 70ms 80msV(Vo)V(Vo)V(Vo)g)Timeh)Fig. 5-38 – Resposta <strong>ao</strong> degrau para as malhas de corrente e de tensão em diferentes retificadores.Timei)Time

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