Performance Evaluation and Reliability of Flexible Asynchronous AC Link and LCC-HVDC Link under Fault Conditions

Imdadullah; Abdul R. Beig; M. Syed Jamil Asghar

doi:10.1109/ACCESS.2020.3006439

Performance Evaluation and Reliability of Flexible Asynchronous AC Link and LCC-HVDC Link under Fault Conditions

Imdadullah, Abdul R. Beig, M. Syed Jamil Asghar

Electrical Engineering

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

Abstract

Normally, HVDC links are used for the asynchronous interconnection of power system networks. Similarly, asynchronous AC links are also used for the same application. Here, the performance of a proposed flexible asynchronous AC link (FASAL) and a back-to-back line-commutated converter-based high-voltage direct current (BTB LCC-HVDC) link is evaluated and compared. These links are used for grid interconnection and to control the power transfer between interconnected grids. PSCAD/EMTDC based simulation model is developed for both the links. Modified CIGRE benchmark system is used for the simulation of the BTB LCC-HVDC link. The steady-state and dynamic simulations are carried out for the systems under consideration. The simulation results show that both the links are able to control power flow between the interconnected grids. It is evident from the results that the effect of fault is severe in the LCC-HVDC link as compared to FASAL system. Also, the impact of the fault on the healthy side grid is minimal in the FASAL as compared to the HVDC link.

Original language	British English
Article number	9130707
Pages (from-to)	120562-120574
Number of pages	13
Journal	IEEE Access
Volume	8
DOIs	https://doi.org/10.1109/ACCESS.2020.3006439
State	Published - 2020

Keywords

AC link
FASAL system
Grid Interconnection
LCC-HVDC link
power flow controller
PSCAD/EMTDC Simulation

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1109/ACCESS.2020.3006439

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title = "Performance Evaluation and Reliability of Flexible Asynchronous AC Link and LCC-HVDC Link under Fault Conditions",

abstract = "Normally, HVDC links are used for the asynchronous interconnection of power system networks. Similarly, asynchronous AC links are also used for the same application. Here, the performance of a proposed flexible asynchronous AC link (FASAL) and a back-to-back line-commutated converter-based high-voltage direct current (BTB LCC-HVDC) link is evaluated and compared. These links are used for grid interconnection and to control the power transfer between interconnected grids. PSCAD/EMTDC based simulation model is developed for both the links. Modified CIGRE benchmark system is used for the simulation of the BTB LCC-HVDC link. The steady-state and dynamic simulations are carried out for the systems under consideration. The simulation results show that both the links are able to control power flow between the interconnected grids. It is evident from the results that the effect of fault is severe in the LCC-HVDC link as compared to FASAL system. Also, the impact of the fault on the healthy side grid is minimal in the FASAL as compared to the HVDC link.",

keywords = "AC link, FASAL system, Grid Interconnection, LCC-HVDC link, power flow controller, PSCAD/EMTDC Simulation",

author = "Imdadullah and Beig, {Abdul R.} and Asghar, {M. Syed Jamil}",

note = "Publisher Copyright: {\textcopyright} 2013 IEEE.",

year = "2020",

doi = "10.1109/ACCESS.2020.3006439",

language = "British English",

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AU - Beig, Abdul R.

AU - Asghar, M. Syed Jamil

PY - 2020

Y1 - 2020

N2 - Normally, HVDC links are used for the asynchronous interconnection of power system networks. Similarly, asynchronous AC links are also used for the same application. Here, the performance of a proposed flexible asynchronous AC link (FASAL) and a back-to-back line-commutated converter-based high-voltage direct current (BTB LCC-HVDC) link is evaluated and compared. These links are used for grid interconnection and to control the power transfer between interconnected grids. PSCAD/EMTDC based simulation model is developed for both the links. Modified CIGRE benchmark system is used for the simulation of the BTB LCC-HVDC link. The steady-state and dynamic simulations are carried out for the systems under consideration. The simulation results show that both the links are able to control power flow between the interconnected grids. It is evident from the results that the effect of fault is severe in the LCC-HVDC link as compared to FASAL system. Also, the impact of the fault on the healthy side grid is minimal in the FASAL as compared to the HVDC link.

AB - Normally, HVDC links are used for the asynchronous interconnection of power system networks. Similarly, asynchronous AC links are also used for the same application. Here, the performance of a proposed flexible asynchronous AC link (FASAL) and a back-to-back line-commutated converter-based high-voltage direct current (BTB LCC-HVDC) link is evaluated and compared. These links are used for grid interconnection and to control the power transfer between interconnected grids. PSCAD/EMTDC based simulation model is developed for both the links. Modified CIGRE benchmark system is used for the simulation of the BTB LCC-HVDC link. The steady-state and dynamic simulations are carried out for the systems under consideration. The simulation results show that both the links are able to control power flow between the interconnected grids. It is evident from the results that the effect of fault is severe in the LCC-HVDC link as compared to FASAL system. Also, the impact of the fault on the healthy side grid is minimal in the FASAL as compared to the HVDC link.

KW - AC link

KW - FASAL system

KW - Grid Interconnection

KW - LCC-HVDC link

KW - power flow controller

KW - PSCAD/EMTDC Simulation

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Performance Evaluation and Reliability of Flexible Asynchronous AC Link and LCC-HVDC Link under Fault Conditions

Abstract

Keywords

UN SDGs

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