Results 21 to 30 of about 5,225 (215)

Grid fault ride-through of an LCC-VSC tandem converter, used as a grid interface for a multi-MW wind turbine [PDF]

open access: yes, 2016
A tandem converter, consisting of a line-commutated converter in parallel with a voltage source active filter, is proposed as a grid interface for a 10 and 20MW superconducting wind turbine generator.
Finney, S. J., Parker, M. A.
core   +1 more source

The LCC type DC grids forming method and fault ride-through strategy based on fault current limiters

open access: yesInternational Journal of Electrical Power & Energy Systems
With the integration of a large number of new energy sources into the power grid, the degree of multi power center continues to deepen, and multi-terminal DC transmission is receiving increasing attention.
Changlin Liu   +4 more
doaj   +1 more source

Power electronics options for large wind farm integration : VSC-based HVDC transmission [PDF]

open access: yes, 2006
This paper describes the use of voltage source converter based HVDC transmission (VSC transmission) system for grid integration of large wind farms over long distance.
Sasse, C., Xu, L., Yao, L.
core   +2 more sources

A Review of LCC-HVDC and VSC-HVDC Technologies and Applications

open access: yesTransactions on Environment and Electrical Engineering, 2016
High Voltage Direct Current (HVDC) systems has been an alternative method of transmitting electric power from one location to another with some inherent advantages over AC transmission systems.
Oluwafemi Emmanuel Oni   +2 more
doaj   +1 more source

Application research on pilot protection method for multi‐terminal hybrid line‐commutated converter/modular multilever converter‐based high voltage DC system

open access: yesIET Generation, Transmission & Distribution, 2021
The multi‐terminal hybrid line commutated converter (LCC)/modular multilevel converter (MMC)‐based high voltage dc (HVDC) has been applied to solve the simultaneous commutation failure problem in East China.
Chenhao Zhang   +6 more
doaj   +1 more source

Hybrid and modular multilevel converter designs for isolated HVDC–DC converters [PDF]

open access: yes, 2018
Efficient medium and high-voltage dc-dc conversion is critical for future dc grids. This paper proposes a hybrid multilevel dc-ac converter structure that is used as the kernel of dc-dc conversion systems.
Adam, G.P.   +4 more
core   +1 more source

A Single-Phase AC-AC Power Electronic Transformer Without Bulky Energy Storage Elements

open access: yesEnergies
Compared with the line-frequency transformer (LFT), the emerging power electronic transformers (PETs) have gained wide concerns due to the significant merits of higher power density, higher reliability, more flexibility, and multiple functions.
Hui Wang, Shuyang Xie, Liang Yuan
doaj   +1 more source

Two-leg three-phase inverter control for STATCOM and SSSC applications [PDF]

open access: yes, 2008
Flexible ac transmission systems (FACTS) devices are attracting an increasing interest both in power system academic research and in electric utilities for their capabilities to improve steady-state performance as well as system stability.
Griffo, A., Lauria, D.
core   +1 more source

Research on the Power Coordinate Control Strategy between a CLCC-HVDC and a VSC-HVDC during the AC Fault Period

open access: yesEnergies
The underlying cause of commutation failures in traditional line-commutated converter (LCC) high-voltage direct-current (HVDC) transmission technology lies in the sensitivity of the thyristor devices, which are prone to turning off, thereby restoring the
Jingbo Zhao, Ke Xu, Wenbo Li
doaj   +1 more source

Hybrid HVDC for supply of power to offshore oil platforms [PDF]

open access: yes, 2004
A HVDC hybrid system, comprising a line commutated thyristor HVDC converter and a STATCOM, is proposed in this paper for supplying power to offshore oil platforms that do not have their own generation. The proposed system combines the robust performance,
Andersen, B., Cartwright, P., Xu, L.
core  

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