Distance Protection of AC Grid With HVDC-Connected Offshore Wind Generators

He, Lina; Liu, Chen‐Ching; Pitto, A.; Cirio, D.

doi:10.1109/tpwrd.2013.2271761

Cited by 77 publications

(36 citation statements)

References 9 publications

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“…Transmission in VSC-HVDC involves VSC-based converter stations and a high-voltage dc transmission system [5,6].…”

Section: A Vsc-hvdc Transmissionmentioning

confidence: 99%

“…in microgrids and in integration of solar and offshore wind into the power transmission system [5,6].…”

Section: Introductionmentioning

confidence: 99%

“…Typically, a VSC-HVDC system is controlled via a nestedloop control, which in turn is built on standard vector control methods [5][6][7]. However, recent studies show that a complete decoupled vector control cannot be achieved using conventional methods, which affects the performance of the standard vector control method, particularly if a converter works beyond the PWM (pulse-width-modulation) saturation bound [8].…”

Section: Introductionmentioning

confidence: 99%

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Neural-network based vector control of VSCHVDC transmission systems

Alonso

et al. 2015

2015 International Conference on Renewable Energy Research and Applications (ICRERA)

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This is the accepted version of the paper.This version of the publication may differ from the final published version. Permanent City Research OnlineAbstract-The application of high-voltage dc (HVDC) using voltage-source converters (VSC) has surged recently in electric power transmission and distribution systems. An optimal vector control of a VSC-HVDC system which uses an artificial neural network to implement an approximate dynamic programming algorithm and is trained with Levenberg-Marquardt is introduced in this paper. The proposed neural network vector control algorithm is analyzed in comparison with standard vector control methods for various HVDC control requirements, including dc voltage, active and reactive power control, and ac system voltage support. Assessment of the resulting closed-loop control shows that the neural network vector control approach has superior performance and works efficiently within and beyond the constraints of the HVDC system, for instance, converter rated power and saturation of PWM modulation.

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“…Transmission in VSC-HVDC involves VSC-based converter stations and a high-voltage dc transmission system [5,6].…”

Section: A Vsc-hvdc Transmissionmentioning

confidence: 99%

“…in microgrids and in integration of solar and offshore wind into the power transmission system [5,6].…”

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Neural-network based vector control of VSCHVDC transmission systems

Alonso

et al. 2015

2015 International Conference on Renewable Energy Research and Applications (ICRERA)

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“…Among the available technologies for the connection of offshore WFs, the voltage source converter-based high voltage direct current (VSC-HVDC) transmission system has become an attractive option for connecting distant offshore WFs due to its flexible active and reactive power control, feasibility of multi-terminal dc or meshed grids and inherent black start capability [14], [15].…”

Section: Introductionmentioning

confidence: 99%

A Combined Reliability Model of VSC-HVDC Connected Offshore Wind Farms Considering Wind Speed Correlation

Guo

Gao

2017

IEEE Trans. Sustain. Energy

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“…al. [9] shows that when a fault occurs near Point of Common Coupling (PCC), backup protection can overestimate zone 2 fault. This can lead to miscoordination of relay tripping, causing the fault to persist beyond its critical clearing time, thereby leading to cascading events.…”

Section: Introductionmentioning

confidence: 99%

Distance relay performance in future converter dominated power systems

Sarkar

Jia

Yang

2017

2017 IEEE Manchester PowerTech

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Abstract-Increasing penetration of converter-based generations in power system has led to new system challenges. Short circuit power response from converter-based generations is different from that of traditional synchronous generators. Power electronic converters can be designed for over-current only up to 1.1-1.25 times of its nominal value. Low availability of short circuit power can cause many challenges such as misoperation of distance relays. The aim of this paper is to investigate the effect of converter dominated systems on performance of distance relays. Backup functionality of the distance relay is major concern as miscoordination of backup relays in case of cascading faults can lead to severe stress in system, which can develop into blackout. In this paper, response of relays in traditional system is compared with response of relays in low short-circuit-current power systems. Impact of converter controls on fault current response of converter-based generations is also investigated.

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Distance Protection of AC Grid With HVDC-Connected Offshore Wind Generators

Cited by 77 publications

References 9 publications

Neural-network based vector control of VSCHVDC transmission systems

Neural-network based vector control of VSCHVDC transmission systems

A Combined Reliability Model of VSC-HVDC Connected Offshore Wind Farms Considering Wind Speed Correlation

Distance relay performance in future converter dominated power systems

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