Results 31 to 40 of about 11,650 (204)

AC Grids Characteristics Oriented Multi-Point Voltage Coordinated Control Strategy for VSC-MTDC

open access: yesIEEE Access, 2019
Meshed dc grid technology is an attractive solution to improve the operational reliability of a voltage source converter-based multi-terminal HVDC transmission (VSC-MTDC) system; in addition, the VSC-MTDC becomes widely accepted for the integration of ...
Zhou Li   +4 more
doaj   +1 more source

Strategy for grid low-frequency oscillation suppression via VSC-HVDC linked wind farms

open access: yesEnergy Reports, 2022
The effective suppression of low-frequency grid oscillations by the offshore wind power in a voltage source converter-based HVDC (VSC-HVDC) output system can enhance the operational stability of the overall power system.
Aobo Chen   +5 more
doaj   +1 more source

Operation analysis of thyristor based front-to-front active-forced-commutated bridge DC transformer in LCC and VSC hybrid HVDC networks [PDF]

open access: yes, 2017
The active-forced-commutated (AFC) bridge employs a symmetrical thyristor-bridge with auxiliary self-commutated full-bridge chain-link (FB-CL) circuit to assist its soft transition and forced commutation.
Adam, Grain P.   +3 more
core   +2 more sources

Comparative Analysis of Technical Standards for Offshore Wind Power via VSC-HVDC

open access: yesShanghai Jiaotong Daxue xuebao, 2022
This paper introduces the current situation of domestic and foreign offshore wind power grid-connected via voltage source converter based high voltage direct current(VSC-HVDC) transmission standards, and selects representative standards of offshore wind ...
YU Hao, ZHANG Zhemeng, PENG Sui, ZHANG Zhiqiang, REN Wanxin, LI Canbing
doaj   +1 more source

Impact of DFIG based offshore wind farms connected through VSC-HVDC link on power system stability [PDF]

open access: yes, 2015
With the increased levels of offshore wind power penetration into power systems, the impact of offshore wind power on stability of power systems require more investigation. In this paper, the effects of a large scale doubly fed induction generator (DFIG)
Anaya-Lara, Olimpo   +3 more
core   +1 more source

A VSC-based Model for Power Flow Assessment of Multi-terminal VSC-HVDC Transmission Systems

open access: yesJournal of Modern Power Systems and Clean Energy, 2021
This paper puts forward a new practical voltage source converter (VSC) based AC-DC converter model suitable for conducting power flow assessment of multi-terminal VSC-based high-voltage direct current (VSC-MTDC) systems. The model uses an advanced method
Ricardo Martinez-Parrales   +3 more
doaj   +1 more source

DC fault isolation study of bidirectional dual active bridge DC/DC converter for DC transmission grid application [PDF]

open access: yes, 2015
Fast isolation and detection of DC faults is currently a limiting factor in high power DC transmission grid development. Recent research has shown that the role of DC/DC converters is becoming increasingly important in solving various DC grid challenges ...
Aboushady, Ahmed A.   +2 more
core   +2 more sources

Analysis and Performance Comparison of Different Power Conditioning Systems for SMES-Based Energy Systems in Wind Turbines

open access: yesEnergies, 2013
Suitability of energy systems based on Superconducting Magnetic Energy Storage (SMES) has been widely tested in the field of wind energy, being able to supply power in cases such as low wind speeds or voltage dips, and to store energy when there are ...
Francisco J. Rodríguez   +3 more
doaj   +1 more source

The principle and application effect of DC breaker and arm damping system

open access: yesEnergy Reports, 2020
Since Zhou Shan voltage source converter multi-terminal HVDC system (VSC-MTDC) is put into operation on July 2014, the flexible conversion and mutual allocation of electric energy between islands are realized, which provides a strong electric energy ...
Qian Chen   +4 more
doaj   +1 more source

Impedance-compensated grid synchronisation for extending the stability range of weak grids with voltage source converters [PDF]

open access: yes, 2016
This paper demonstrates how the range of stable power transfer in weak grids with voltage source converters (VSCs) can be extended by modifying the grid synchronisation mechanism of a conventional synchronous reference frame phase locked loop (PLL).
D'Arco, Salvatore   +3 more
core   +2 more sources

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