Predictive DC Fault Ride-Through for Offshore MMC-Based MT-HVDC Grid
Unscheduled event handling capability and swift recovery from transient events are indispensable study areas to ensure reliability in offshore multiterminal high-voltage dc (MT-HVdc) grids. This article focuses on enhancing the reliability of half-bridge modular multilevel converters (HB-MMCs) in MT...
Saved in:
| Main Authors: | , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
IEEE
2025-01-01
|
| Series: | IEEE Open Journal of Industry Applications |
| Subjects: | |
| Online Access: | https://ieeexplore.ieee.org/document/11083622/ |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1849236300743311360 |
|---|---|
| author | Ajay Shetgaonkar Vaibhav Nougain Marjan Popov Peter Palensky Aleksandra Lekic |
| author_facet | Ajay Shetgaonkar Vaibhav Nougain Marjan Popov Peter Palensky Aleksandra Lekic |
| author_sort | Ajay Shetgaonkar |
| collection | DOAJ |
| description | Unscheduled event handling capability and swift recovery from transient events are indispensable study areas to ensure reliability in offshore multiterminal high-voltage dc (MT-HVdc) grids. This article focuses on enhancing the reliability of half-bridge modular multilevel converters (HB-MMCs) in MT-HVdc grids by introducing a predictive dc fault ride-through (DC-FRT) recovery controller and fault separation devices. A novel dc protection-informed zonal DC-FRT scheme for HB-MMCs is proposed, incorporating a model predictive planner for optimized control inputs based on local and interstation measurements and converter constraints. A real-time digital simulator environment simulates the approach, which improves lower level control during fault interruption and suppression by utilizing fault detection and location information. In addition, the study examines two control schemes to assess the impact of communication delays in MT-HVdc grids, a critical factor for system stability and reliability during faults. These schemes include a centralized scheme with delays in input and output signals and a decentralized approach focusing on external signal delays. Both are compared against a baseline centralized control with no delays. These approaches explore alternatives for the placement of the proposed controller, considering potential delays in interstation high-speed communication. The findings underscore the significance of the proposed DC-FRT control in reinforcing MT-HVdc systems against faults, which contributes to efficient recovery and grid stability. |
| format | Article |
| id | doaj-art-cfd2ecb9cf824feea36a5466b8c54e88 |
| institution | Kabale University |
| issn | 2644-1241 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | IEEE |
| record_format | Article |
| series | IEEE Open Journal of Industry Applications |
| spelling | doaj-art-cfd2ecb9cf824feea36a5466b8c54e882025-08-20T04:02:18ZengIEEEIEEE Open Journal of Industry Applications2644-12412025-01-01657959210.1109/OJIA.2025.359030611083622Predictive DC Fault Ride-Through for Offshore MMC-Based MT-HVDC GridAjay Shetgaonkar0Vaibhav Nougain1https://orcid.org/0000-0002-8401-6979Marjan Popov2https://orcid.org/0000-0001-7292-5334Peter Palensky3https://orcid.org/0000-0003-3183-4705Aleksandra Lekic4https://orcid.org/0000-0003-2727-0767Department of Electrical Sustainable Energy, Delft University of Technology, Delft, The NetherlandsDepartment of Electrical Sustainable Energy, Delft University of Technology, Delft, The NetherlandsDepartment of Electrical Sustainable Energy, Delft University of Technology, Delft, The NetherlandsDepartment of Electrical Sustainable Energy, Delft University of Technology, Delft, The NetherlandsDepartment of Electrical Sustainable Energy, Delft University of Technology, Delft, The NetherlandsUnscheduled event handling capability and swift recovery from transient events are indispensable study areas to ensure reliability in offshore multiterminal high-voltage dc (MT-HVdc) grids. This article focuses on enhancing the reliability of half-bridge modular multilevel converters (HB-MMCs) in MT-HVdc grids by introducing a predictive dc fault ride-through (DC-FRT) recovery controller and fault separation devices. A novel dc protection-informed zonal DC-FRT scheme for HB-MMCs is proposed, incorporating a model predictive planner for optimized control inputs based on local and interstation measurements and converter constraints. A real-time digital simulator environment simulates the approach, which improves lower level control during fault interruption and suppression by utilizing fault detection and location information. In addition, the study examines two control schemes to assess the impact of communication delays in MT-HVdc grids, a critical factor for system stability and reliability during faults. These schemes include a centralized scheme with delays in input and output signals and a decentralized approach focusing on external signal delays. Both are compared against a baseline centralized control with no delays. These approaches explore alternatives for the placement of the proposed controller, considering potential delays in interstation high-speed communication. The findings underscore the significance of the proposed DC-FRT control in reinforcing MT-HVdc systems against faults, which contributes to efficient recovery and grid stability.https://ieeexplore.ieee.org/document/11083622/High-voltage dc (HVdc)modular multilevel converter (MMC)model predictive control (MPC)model predictive planner (MPP)real-time digital simulator (RTDS) |
| spellingShingle | Ajay Shetgaonkar Vaibhav Nougain Marjan Popov Peter Palensky Aleksandra Lekic Predictive DC Fault Ride-Through for Offshore MMC-Based MT-HVDC Grid IEEE Open Journal of Industry Applications High-voltage dc (HVdc) modular multilevel converter (MMC) model predictive control (MPC) model predictive planner (MPP) real-time digital simulator (RTDS) |
| title | Predictive DC Fault Ride-Through for Offshore MMC-Based MT-HVDC Grid |
| title_full | Predictive DC Fault Ride-Through for Offshore MMC-Based MT-HVDC Grid |
| title_fullStr | Predictive DC Fault Ride-Through for Offshore MMC-Based MT-HVDC Grid |
| title_full_unstemmed | Predictive DC Fault Ride-Through for Offshore MMC-Based MT-HVDC Grid |
| title_short | Predictive DC Fault Ride-Through for Offshore MMC-Based MT-HVDC Grid |
| title_sort | predictive dc fault ride through for offshore mmc based mt hvdc grid |
| topic | High-voltage dc (HVdc) modular multilevel converter (MMC) model predictive control (MPC) model predictive planner (MPP) real-time digital simulator (RTDS) |
| url | https://ieeexplore.ieee.org/document/11083622/ |
| work_keys_str_mv | AT ajayshetgaonkar predictivedcfaultridethroughforoffshoremmcbasedmthvdcgrid AT vaibhavnougain predictivedcfaultridethroughforoffshoremmcbasedmthvdcgrid AT marjanpopov predictivedcfaultridethroughforoffshoremmcbasedmthvdcgrid AT peterpalensky predictivedcfaultridethroughforoffshoremmcbasedmthvdcgrid AT aleksandralekic predictivedcfaultridethroughforoffshoremmcbasedmthvdcgrid |