Damping methods for resonances caused by LCL-filter-based current-controlled grid-tied power inverters: An overview
Grid-tied voltage source inverters using LCL filter have been widely adopted in distributed
power generation systems (DPGSs). As high-order LCL filters contain multiple resonant …
power generation systems (DPGSs). As high-order LCL filters contain multiple resonant …
Review and simulation of leakage current in transformerless microinverters for PV applications
Designing microinverters without transformers enhances system efficiency and power
density and reduces cost. However, the transformer removal results in loss of galvanic …
density and reduces cost. However, the transformer removal results in loss of galvanic …
Three-phase CH7 inverter with a new space vector modulation to reduce leakage current for transformerless photovoltaic systems
X Guo - IEEE Journal of Emerging and Selected Topics in …, 2017 - ieeexplore.ieee.org
Leakage current reduction is crucial for the transformerless photovoltaic inverters. The
conventional three-phase current source H6 inverter suffers from the large leakage current …
conventional three-phase current source H6 inverter suffers from the large leakage current …
Aalborg inverter-a new type of “buck in buck, boost in boost” grid-tied inverter
W Wu, J Ji, F Blaabjerg - IEEE Transactions on power …, 2014 - ieeexplore.ieee.org
This paper presents a new family of high efficiency dc/ac grid-tied inverter with a wide
variation of input dc voltage. It is a “boost in boost, buck in buck” inverter, meaning that only …
variation of input dc voltage. It is a “boost in boost, buck in buck” inverter, meaning that only …
Active EMI filter design with a modified LCL-LC filter for single-phase grid-connected inverter in vehicle-to-grid application
More and more attention has been gained in the vehicle-to-grid (V2G) system due to its
attractive features, such as transferring bidirectional power between electric vehicles and …
attractive features, such as transferring bidirectional power between electric vehicles and …
Simultaneous common-mode resonance circulating current and leakage current suppression for transformerless three-level T-type PV inverter system
The improved LCL filter is used in transformerless three-level photovoltaic inverter system
for leakage current suppression. However, the common-mode (CM) resonance circulating …
for leakage current suppression. However, the common-mode (CM) resonance circulating …
An integrated trap-LCL filter with reduced current harmonics for grid-connected converters under weak grid conditions
High-frequency current harmonics injected into the point of common coupling, mainly at the
switching frequency and its multiples introduced by the modulation of grid-connected …
switching frequency and its multiples introduced by the modulation of grid-connected …
A magnetic integrated LLCL filter for grid-connected voltage-source converters
High-order passive filters, such as the well-known LCL filters, are normally employed in the
grid-connected power conversion systems to effectively attenuate the switching frequency …
grid-connected power conversion systems to effectively attenuate the switching frequency …
A novel single-phase five-level transformer-less photovoltaic (PV) inverter
X Zhu, H Wang, W Zhang, H Wang… - CES Transactions on …, 2020 - ieeexplore.ieee.org
Multilevel inverters are preferred solutions for photovoltaic (PV) applications because of
lower total harmonic distortion (THD), lower switching stress and lower electromagnetic …
lower total harmonic distortion (THD), lower switching stress and lower electromagnetic …
Principle and robust impedance-based design of grid-tied inverter with LLCL-filter under wide variation of grid-reactance
Currently, how the inductive grid impedance variation affects the stability of digitally
controlled grid-tied inverters with a high-order (LCL or LLCL) filter has been numerously …
controlled grid-tied inverters with a high-order (LCL or LLCL) filter has been numerously …