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   Articles with "hvdc" as a keyword



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Harmonic loss analysis of converter transformer in LCL-HVDC system

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recommendations! Published in 2020 at "Energy Reports"

DOI: 10.1016/j.egyr.2020.11.231

Abstract: Abstract At present, China’s energy distribution and economic development are extremely unbalanced. In order to make rational use of resources, China has promoted the “west to East power transmission” and “north to South Power Transmission”… read more here.

Keywords: lcl hvdc; converter transformer; system; hvdc ... See more keywords
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An accurate method for fault location in HVDC systems based on pattern recognition of DC voltage signals

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

DOI: 10.1016/j.epsr.2019.01.013

Abstract: Abstract The aim of this paper is to develop a methodology based on pattern recognition of DC voltage signals for fault location in HVDC transmission systems. By using the shape similarity amongst voltage signals, an… read more here.

Keywords: methodology; hvdc; voltage signals; based pattern ... See more keywords
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Measurement-based frequency-dependent model of a HVDC transformer for electromagnetic transient studies

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recommendations! Published in 2020 at "Electric Power Systems Research"

DOI: 10.1016/j.epsr.2019.106141

Abstract: Abstract A wide-band, frequency-dependent five-terminal model is developed that represents one HVDC transformer unit in the French-English IFA2000 HVDC interconnection. Three such interconnected 1-ph units constitute one 3-ph transformer bank needed in 12-pulse conversion. The… read more here.

Keywords: hvdc transformer; model; frequency dependent; hvdc ... See more keywords
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Intelligent Protection of CSC-HVDC Lines Based on Moving Average and Maximum Coordinate Difference Criteria

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recommendations! Published in 2021 at "Electric Power Systems Research"

DOI: 10.1016/j.epsr.2021.107439

Abstract: Abstract Short-circuit fault detection and classification in high-voltage direct-current (HVDC) electric power transmission lines are necessary for rapid location and removal of faults, as well as for recovering all or part of the power transmission… read more here.

Keywords: moving average; csc hvdc; hvdc; maximum coordinate ... See more keywords
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Towards robust OPF solution strategy for the future AC/DC grids: case of VSC-HVDC-connected offshore wind farms

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recommendations! Published in 2018 at "Iet Renewable Power Generation"

DOI: 10.1049/iet-rpg.2017.0575

Abstract: This study jointly addresses two major challenges in power system operations: (i) sustained growth of intermittent offshore wind farms (OWFs) connected to AC grid via multi-terminal voltage source converter (VSC)-based high-voltage DC (HVDC) grid that… read more here.

Keywords: offshore wind; multi terminal; power; hvdc ... See more keywords
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HVDC transmission for access to off-shore renewable energy: a review of technology and fault detection techniques

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recommendations! Published in 2018 at "Iet Renewable Power Generation"

DOI: 10.1049/iet-rpg.2018.5274

Abstract: The ever-increasing demand for electric power has partially been met with access to offshore renewable energy, such as wind and tidal energy. With the development in power electronics, high-voltage direct current (HVDC) transmission is taking… read more here.

Keywords: energy; hvdc; renewable energy; access ... See more keywords
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An Advanced Anti-Windup Control Strategy for MMC-HVDC System

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recommendations! Published in 2019 at "IETE Journal of Research"

DOI: 10.1080/03772063.2019.1676663

Abstract: The modular multilevel converter (MMC) is an operational switch-mode converter topology which represents a potential solution for high-voltage direct current (HVDC) transmission applications. This ... read more here.

Keywords: hvdc; advanced anti; windup control; strategy mmc ... See more keywords
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A Novel Coordinated Control Approach for Commutation Failure Mitigation in Hybrid Parallel-HVDC System with MMC-HVDC and LCC-HVDC

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recommendations! Published in 2017 at "Electric Power Components and Systems"

DOI: 10.1080/15325008.2017.1377786

Abstract: Abstract This paper proposes a novel coordinated control approach for the hybrid parallel-HVDC system that is composed of a line commutated converter-based high-voltage direct current (LCC-HVDC) link and a modular multi-level converter-based HVDC (MMC-HVDC) link… read more here.

Keywords: control approach; system; hybrid parallel; hvdc ... See more keywords
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Power Dispatch and Voltage Control in Multiterminal HVDC Systems: A Flexible Approach

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recommendations! Published in 2017 at "IEEE Access"

DOI: 10.1109/access.2017.2766161

Abstract: This paper deals with the power dispatch and direct voltage control in multiterminal high voltage direct current (MT-HVDC) systems. Generalized voltage droop (GVD) control is adopted for voltage source converters (VSC)s of a MT-HVDC system.… read more here.

Keywords: control; hvdc; power; voltage control ... See more keywords
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Start-Up Control of a Synchronous Condenser Integrated HVDC System With Power Electronics Based Static Frequency Converter

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recommendations! Published in 2019 at "IEEE Access"

DOI: 10.1109/access.2019.2946394

Abstract: The operation of thyristor-based high-voltage direct current (HVDC) system requires abundant reactive power support. Synchronous condensers, as rotating devices with large capacity of reactive power compensation, are generally utilized in HVDC systems. In this paper,… read more here.

Keywords: system; control; hvdc; power ... See more keywords
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Grid-Forming Control for DFIG Based Wind Farms to Enhance the Stability of LCC-HVDC

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recommendations! Published in 2020 at "IEEE Access"

DOI: 10.1109/access.2020.3019691

Abstract: This article presents the grid-forming control (GFC) for doubly-fed induction generator (DFIG)-based wind farm to enhance the stability of line-commutated converter (LCC) based high voltage direct current (HVDC) transmission system. GFC is a grid friendly… read more here.

Keywords: system; control; hvdc; impedance ... See more keywords