2010
DOI: 10.1109/tia.2010.2049974
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Investigation of Active Damping Approaches for PI-Based Current Control of Grid-Connected Pulse Width Modulation Converters With LCL Filters

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Cited by 502 publications
(322 citation statements)
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“…Normally, filter capacitor current is sensed for LLCL-filter but a voltage sensor might be cheaper than current sensor. Table III shows comparison of different feedbacks [14]. f r is the resonant frequency and f d is the sample frequency.…”
Section: Table Ii: Different Variables Feedback Based On Notch Conceptmentioning
confidence: 99%
“…Normally, filter capacitor current is sensed for LLCL-filter but a voltage sensor might be cheaper than current sensor. Table III shows comparison of different feedbacks [14]. f r is the resonant frequency and f d is the sample frequency.…”
Section: Table Ii: Different Variables Feedback Based On Notch Conceptmentioning
confidence: 99%
“…The first simulation results obtained on the LLCL-filter without passive damping elements are shown in figure 3. The frequency response of the open loop transfer functions given in (7) and (8), that represents the grid current with respect to the error between the reference current and the feedback current, are illustrated in figure 5.…”
Section: Llcl Filter Control Analysismentioning
confidence: 99%
“…Other approaches of active damping control strategies were investigated and analyzed in [7] where a twodegree-of-freedom (2DOF) allows the independent action of PID controller terms. The analysis of filter capacitor current and voltage was conducted in [8] and concluded that either the proportional feedback of the currents or derivative feedback on the voltages are required for system stability. The regulation of the injected grid current with the capacitor current and the filter-capacitor current feedback in order to actively damping the resonance introduced by the LC elements have been introduced in [9], [10], and [11] respectively.…”
Section: Introductionmentioning
confidence: 99%
“…Quando são empregadas estratégias de amortecimento ativo da ressonância do filtro de modo diferencial, considerando-se uma implementação digital do sistema de controle, a frequência de ressonância deve ser menor que a metade da frequência de amostragem ( ) do sistema de controle ( < 2 ⁄ ) (LISERRE et al, 2004), (GABE et al, 2009), (DANNEHL et al, 2010 A partir dos valores obtidos para 1 e 2 pode-se calcular a capacitância de modo diferencial ( ) por meio da eq. (6.9).…”
Section: Equacionamento Do Filtro Integradounclassified
“…As estratégias de amortecimento ativo tipicamente empregam uma quantidade maior de sensores de corrente e tensão (DANNEHL et al, 2010), (MASSING et al, 2012), (PARKER et al, 2014a). Além disso, requerem maior esforço computacional para o processamento de malhas de controle adicionais.…”
Section: Amortecimento Da Ressonância Em Filtros Lc E Lclunclassified