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   Articles with "grid voltage" as a keyword



A reference current control strategy based on Sogi and FBD method for shunt active power filter

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recommendations! Published in 2024 at "Electrical Engineering"

DOI: 10.1007/s00202-024-02521-6

Abstract: When the grid voltage is not ideal, most of the reference current control strategies of shunt active power filter often fail or are too complex. In this regard, this paper proposes a reference current control… read more here.

Keywords: active power; method; reference current; shunt active ... See more keywords

Improved virtual synchronous control for grid-connected VSCs under grid voltage unbalanced conditions

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recommendations! Published in 2019 at "Journal of Modern Power Systems and Clean Energy"

DOI: 10.1007/s40565-018-0388-2

Abstract: This paper presents an improved virtual synchronous control (VSynC) for the grid-connected voltage source converter (VSC) so as to continuously operate under the grid voltage with steady unbalance. The improved VSynC introduces the negative sequence… read more here.

Keywords: grid voltage; virtual synchronous; control; voltage ... See more keywords
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Simple current control without grid voltage sensor for traction solid-state transformer

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recommendations! Published in 2021 at "Journal of Power Electronics"

DOI: 10.1007/s43236-020-00214-4

Abstract: This paper proposes a simple current control method without a grid voltage sensor for a rectifier of traction solid-state transformer. The proposed control scheme estimates the phase angle of grid voltage from the fundamental frequency… read more here.

Keywords: grid voltage; without grid; control; method ... See more keywords

Improved sinusoid-locked loop equipped with a virtual stator impedance to estimate the grid voltage parameters

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recommendations! Published in 2019 at "Electric Power Systems Research"

DOI: 10.1016/j.epsr.2019.04.013

Abstract: Abstract Grid voltage parameters, including the amplitude, frequency and phase angle, are the essential information for the control and protection of power systems. The sinusoid-locked loop (SLL) is a novel approach to estimate the grid… read more here.

Keywords: grid voltage; sinusoid locked; locked loop; voltage ... See more keywords

Grid voltage regulation using a reset PI+CI controller for Energy storage systems

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recommendations! Published in 2018 at "IFAC-PapersOnLine"

DOI: 10.1016/j.ifacol.2018.06.070

Abstract: Abstract Hybrid controllers are capable of improved performance over their linear counterparts. In particular, reset controllers like the PI+CI are capable of fast flat response for lag dominant plants. Grid connected power converters especially interfacing… read more here.

Keywords: storage; storage systems; energy storage; grid voltage ... See more keywords

Effects on oscillation mechanism and design of grid‐voltage feedforward in grid‐tied converter under weak grid

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recommendations! Published in 2019 at "IET Power Electronics"

DOI: 10.1049/iet-pel.2018.5232

Abstract: Grid-voltage feedforward control is widely used in grid-tied converters. The reported studies show that the grid-voltage feedforward may reduce the system stability margin, and may lead to oscillation problem in renewable power generation system. This… read more here.

Keywords: grid voltage; system; voltage; voltage feedforward ... See more keywords

Grid voltage sensorless control of a single‐phase shunt hybrid active power filter

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recommendations! Published in 2024 at "IET Power Electronics"

DOI: 10.1049/pel2.12689

Abstract: Here, a grid voltage sensorless control of an LCL‐filtered LC‐tuned single‐phase shunt hybrid active power filter (HAPF) is proposed, which offers high‐quality harmonic current compensation with low hardware requirements. An estimation algorithm replaces the grid… read more here.

Keywords: voltage sensorless; single phase; sensorless control; grid voltage ... See more keywords

Enhanced power quality in HVDC system integrated offshore DFIG wind power plant under onshore grid voltage imbalances

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recommendations! Published in 2025 at "Journal of Renewable and Sustainable Energy"

DOI: 10.1063/5.0282807

Abstract: Ensuring stable and efficient power transfer from an offshore doubly fed induction generator based wind power plant to the onshore grid through a high voltage direct current (HVDC) link presents a complex control challenge due… read more here.

Keywords: system; voltage; onshore grid; hvdc ... See more keywords

Grid Voltage Sensorless Model-Based Predictive Power Control of PWM Rectifiers Based on Sliding Mode Virtual Flux Observer

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recommendations! Published in 2019 at "IEEE Access"

DOI: 10.1109/access.2019.2898687

Abstract: In this paper, a grid voltage sensorless model predictive control is proposed based on a sliding mode virtual flux observer (SMVFO). The proposed SMVFO shows good inherent filtering capacity, and thus there is no high-frequency… read more here.

Keywords: grid voltage; virtual flux; control; voltage ... See more keywords

Coordinate Transformation-Free Observer-Based Adaptive Estimation of Distorted Single-Phase Grid Voltage Signal

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recommendations! Published in 2020 at "IEEE Access"

DOI: 10.1109/access.2020.2988711

Abstract: This paper studies the phase and frequency estimation problem of single-phase grid voltage signal in the presence of DC offset and harmonics. For this purpose, a novel parameterized linear model of the grid voltage signal… read more here.

Keywords: grid voltage; coordinate transformation; voltage signal; single phase ... See more keywords

Model Predictive Current Control for Fault-Tolerant Bidirectional Voltage Source Converter With Open Circuit Fault and Unbalanced Grid Voltage

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recommendations! Published in 2020 at "IEEE Access"

DOI: 10.1109/access.2020.3018144

Abstract: To improve the fault-tolerant operation capability of bidirectional voltage source converter (BVSC), an improved model predictive current control (IMPCC) for fault-tolerant BVSC, is proposed with balanced DC-link capacitor voltage under unbalanced grid voltage. The proposed… read more here.

Keywords: grid voltage; fault tolerant; voltage; unbalanced grid ... See more keywords