Robust dead-beat current control for PWM rectifiers and active filters

Malesani, L.; Mattavelli, Paolo; Buso, Simone

doi:10.1109/ias.1998.730323

Cited by 73 publications

(82 citation statements)

References 6 publications

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“…In this context, the most popular control technique is usually based on current controller which forces the SAPF current to follow its reference [7][8][9][10][11][12][13][14][15][16].…”

Section: Introductionmentioning

confidence: 99%

“…A number of control methods have been reported in the literature such as proportional-integral (PI) control [7], hysteresis control [7], dead-beat control [8], repetitive-based control [9], adaptive control [10], and nonlinear control [11]. Also, there has been tremendous progress during the last decade in current control techniques for active power filters [12][13][14][15][16] including of a proportional controller plus multiple sinusoidal signal integrators [12], a PI controller plus a series of resonant controllers [13,14], or vector PI (VPI) controllers [15].…”

Section: Introductionmentioning

confidence: 99%

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Direct power control of shunt active filter using high selectivity filter (HSF) under distorted or unbalanced conditions

Mesbahi

Ouari

Abdeslam³

et al. 2014

Electric Power Systems Research

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rect power control of shunt active filter using high selectivity filter (HSF) under distorted or unbalanced conditions. Electric Power Systems Research, Elsevier, 2014, 108, pp.113-123. <10.1016/j.epsr.2013.006>. AbstractThis paper describes the design of a new configuration of direct power control (DPC) based on high selectivity filters (HSF) to achieve near-sinusoidal source current waveforms under different source voltage conditions. The proposed method uses the high selectivity filters instead of the classical extraction filters (low pass filters). The basic idea of the proposed DPC is to choose the best inverter voltage vector in order to minimize instantaneous active and reactive power errors using two hysteresis comparators. Their outputs associated with a switching table, control the active and reactive powers by selecting the optimal switching states of the inverter. Simulation results have proved excellent performance, and verify the validity of the proposed DPC scheme, which is much better than conventional DPC using low pass filters.

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“…In this context, the most popular control technique is usually based on current controller which forces the SAPF current to follow its reference [7][8][9][10][11][12][13][14][15][16].…”

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Direct power control of shunt active filter using high selectivity filter (HSF) under distorted or unbalanced conditions

Mesbahi

Ouari

Abdeslam³

et al. 2014

Electric Power Systems Research

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show abstract

“…Alguns casos que utilizam a transformação em vetores espaciais são descritos nas referências [6], [44], [63], [65], [64], [32], [60], [8]. …”

Section: Equação 14unclassified

“…Deseja-se saber o que ocorre com a estabilidade e com o desempenho do sistema quando os parâmetros do modelo da planta diferem da planta real, tais como a impedância da rede CA [6] e a impedância do filtro de acoplamento [23], o que pode ser agravado com o uso de estimadores da tensão de rede [32].…”

Section: Equação 20unclassified

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Retificador trifásico com elevado fator de potência.

Junqueira¹

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RESUMOEste trabalho trata da retificação trifásica com elevado fator de potência. São mostradas algumas soluções encontradas na literatura. Dentre elas, optou-se pela utilização de um conversor trifásico autocomutado do tipo fonte de tensão (VSC), operando em modulação em largura de pulso (PWM). Apresenta-se a modelagem do conversor, que é utilizado para o projeto dos controladores responsáveis pelo rastreamento das correntes da rede CA e pela regulação da tensão CC. O projeto do controlador das correntes CA, baseado na estratégia de dead-beat, é mostrado de forma simples e intuitiva e é discutida a estabilidade deste controlador. O projeto do controlador PI utilizado para a regulação da tensão CC é baseado no modelo linearizado do conversor. É utilizado um algoritmo simples e eficiente para o bloco PLL, baseado na estratégia "dead-beat". O comportamento do sistema completo é verificado teoricamente, por simulações numéricas e resultados experimentais, confirmando o excelente desempenho das estratégias de controle e do método de projeto propostos. São discutidos ainda os efeitos da variação nos parâmetros no desempenho e na estabilidade do sistema.

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Performance of automatic gain adjustment in a shunt active filter intended for installation on power distribution systems

Jintakosonwit¹,

Akagi²,

Fujita³

et al. 2003

Electrical Engineering Japan

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SUMMARYThis paper discusses automatic gain adjustment in a fully-digital-controlled shunt active filter intended for installation on power distribution systems. This is the first step in cooperative control of multiple shunt active filters based on voltage detection for harmonic damping throughout power distribution systems. In general, an optimal control gain is equal to the characteristic impedance of a distribution line. However, it is difficult to know the circuit parameters of a real distribution line, which depend strongly on feeder connections, shunt capacitors, and loads. Therefore, the main purpose of the gain adjustment is to help the active filter to damp out harmonic propagation without considering the circuit parameters. Moreover, the gain adjustment can reduce the compensating current and losses in the active filter. The active filter having the function of automatic gain adjustment is experimentally compared to that with a constant gain. Experiment results verify the effectiveness of the active filter having the function of automatic gain adjustment.

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Robust dead-beat current control for PWM rectifiers and active filters

Cited by 73 publications

References 6 publications

Direct power control of shunt active filter using high selectivity filter (HSF) under distorted or unbalanced conditions

Direct power control of shunt active filter using high selectivity filter (HSF) under distorted or unbalanced conditions

Retificador trifásico com elevado fator de potência.

Performance of automatic gain adjustment in a shunt active filter intended for installation on power distribution systems

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