Novel disturbance and observation based active islanding detection for three-phase grid-connected inverters
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Power Electronics"
DOI: 10.1007/s43236-020-00195-4
Abstract: In this paper, a simplified active islanding detection method based on a power control disturbance signal for a three-phase grid-connected inverter application is presented. The disturbance and observation method is used to simplify the significant… read more here.
Keywords: three phase; disturbance; power; phase grid ... See more keywords
Phase-locked loop with DC offset removal for single-phase grid-connected converters
Sign Up to like & getrecommendations! Published in 2021 at "Electric Power Systems Research"
DOI: 10.1016/j.epsr.2020.106980
Abstract: Abstract DC-offset in the input of the phase-locked loop (PLL) is an emerging problem that causes oscillations in the estimated fundamental grid phase, frequency, and voltage amplitude. The DC-offset rejection in grid synchronization is a… read more here.
Keywords: locked loop; phase locked; loop offset; phase grid ... See more keywords
PV-Fed Micro-Inverter with Battery Storage for Single Phase Grid Applications
Sign Up to like & getrecommendations! Published in 2023 at "Electric Power Components and Systems"
DOI: 10.1080/15325008.2023.2189758
Abstract: Abstract Nowadays, micro-inverters are trending due to the latest features consisting in PV technology. However, integration of a high-gain boost converter is needed to improve the low rating output voltage of PV modules to meet… read more here.
Keywords: micro inverter; grid; phase grid; converter ... See more keywords
A Novel Low Voltage Ride-Through Technique of Three-Phase Grid-Connected Inverters Based on a Nonlinear Phase-Locked Loop
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Access"
DOI: 10.1109/access.2019.2912859
Abstract: In this paper, a novel low voltage ride-through (LVRT) technique for three-phase grid-connected inverters is proposed. The proposed technique consists of two parts: a nonlinear phase locked loop based on complex-coefficient filters (NLCCF-PLL) and an… read more here.
Keywords: three phase; lvrt; phase grid; grid connected ... See more keywords
DC-Offset Compensation for Three-Phase Grid-Tied SPV-DSTATCOM Under Partial Shading Condition With Improved PR Controller
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Access"
DOI: 10.1109/access.2021.3115122
Abstract: This work deals with a single-stage three-phase grid-connected solar photovoltaic distribution static compensator (SPV-DSTATCOM) under partial shading condition (PSC). During PSC, the SPV-DSTATCOM is connected to the distribution network to solve issues like active current… read more here.
Keywords: three phase; dstatcom partial; controller; phase grid ... See more keywords
Optimized Design of Multiresonant AC Current Regulators for Single-Phase Grid-Connected Photovoltaic Inverters
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Journal of Photovoltaics"
DOI: 10.1109/jphotov.2019.2937386
Abstract: In this brief, extension of known rules for designing optimized single-resonant ac current regulators to multiresonant current regulators parameter selection for single-phase grid-connected photovoltaic inverters is proposed. The proposed generalization is made possible by utilizing… read more here.
Keywords: multiresonant current; current regulators; phase grid; grid connected ... See more keywords
Control Strategy for Three-Phase Grid-Connected PV Inverters Enabling Current Limitation Under Unbalanced Faults
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2017.2733481
Abstract: Power quality and voltage control are among the most important aspects of the grid-connected power converter operation under faults. Nonsinusoidal current may be injected during unbalanced voltage sag, and active or/and reactive power may include… read more here.
Keywords: control; three phase; power; grid connected ... See more keywords
Fast Estimation of Phase and Frequency for Single-Phase Grid Signal
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2018.2860567
Abstract: Accurate and fast estimation of single-phase grid voltage phase and frequency has the potential to improve the performances of various control and monitoring techniques used in electric power systems. This letter applies an adaptive sliding… read more here.
Keywords: fast estimation; frequency; phase grid; phase ... See more keywords
DC and AC Power Quality Control for Single-Phase Grid-Tied PEMFC Systems With Low DC-Link Capacitance by Solution-Space-Reduced MPC
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2021.3086729
Abstract: The low-frequency current ripple, which is inherent in the two-stage single-phase grid-tied fuel cell power system, gives harmful effects on fuel cell stack itself and causes a reduction in the lifetime, efficiency, and operating performance… read more here.
Keywords: control; power; phase grid; grid tied ... See more keywords
Rapid dq-Frame Impedance Measurement for Three-Phase Grid Based on Interphase Current Injection and Fictitious Disturbance Excitation
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2022.3217851
Abstract: The accurate dq-frame impedance of three-phase grid is essential in the stability analysis of grid-connected voltage source converter (VSC) system. The conventional measurement methods, however, relying on two separate independent injections extremely slow down the… read more here.
Keywords: injection; three phase; frame impedance; phase grid ... See more keywords
A PLL-Based Controller for Three-Phase Grid-Connected Power Converters
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Power Electronics"
DOI: 10.1109/tpel.2017.2719285
Abstract: The current control of three-phase grid-connected converters is typically carried out by using a proportional-resonant controller or synchronous reference frame (SRF) proportional-integral regulator. The implementation of these controllers often requires knowledge of the grid voltage… read more here.
Keywords: phase; three phase; grid connected; controller ... See more keywords