Transient Stability Analysis of a Multi-Machine Power System Integrated with Renewables
The impact on the stability of power systems is rising as the penetration level of renewable energy with sporadic natures rises rapidly on the grid. However, the impact of different types of renewable energy sources (wind, solar) and their combination on system stability varies even with the same pe...
| Main Authors: | , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2022-07-01
|
| Series: | Energies |
| Subjects: | |
| Online Access: | https://www.mdpi.com/1996-1073/15/13/4824 |
| _version_ | 1797480161578319872 |
|---|---|
| author | Ajaysekhar Agarala Sunil S. Bhat Arghya Mitra Daria Zychma Pawel Sowa |
| author_facet | Ajaysekhar Agarala Sunil S. Bhat Arghya Mitra Daria Zychma Pawel Sowa |
| author_sort | Ajaysekhar Agarala |
| collection | DOAJ |
| description | The impact on the stability of power systems is rising as the penetration level of renewable energy with sporadic natures rises rapidly on the grid. However, the impact of different types of renewable energy sources (wind, solar) and their combination on system stability varies even with the same penetration level. This paper concentrates mainly on the stability analysis of multi-machine systems connected to various types of renewable energy sources. The study presents a simple and novel control technique named automatic reactive power support (ARS) for both single and combinations of renewable sources by injecting the available reactive power into the system during fault through converters to enhance system stability. The permanent magnet synchronous generator (PMSG) and doubly fed induction generator (DFIG) are both considered as wind generators in this paper for comparison. In addition, transient stability enhancement is carried out by improving critical clearing time of a three-phase fault in the power system. With the creation of a 3-phase fault at various buses, stability analysis is carried out on the 9-bus WSCC test bus system and also on the 68-bus IEEE test system. Comparative analysis of six test case conditions is provided and the considered cases are without renewable source, with DFIG as a wind generator, PMSG as a wind generator, solar PV farm, wind farm with DFIG and solar PV in combination and the combination of wind farm with PMSG and solar PV. Moreover, the improvement in critical clearing time of the system is compared using conventional and proposed controls with all the aforementioned renewable sources. Comparative results show that the proposed control technique improves system stability and also that the combination of renewable energy sources ought to enhance the critical clearing time of system. |
| first_indexed | 2024-03-09T21:55:58Z |
| format | Article |
| id | doaj.art-a1036188bbfc453e969688a4a3882410 |
| institution | Directory Open Access Journal |
| issn | 1996-1073 |
| language | English |
| last_indexed | 2024-03-09T21:55:58Z |
| publishDate | 2022-07-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Energies |
| spelling | doaj.art-a1036188bbfc453e969688a4a38824102023-11-23T19:57:56ZengMDPI AGEnergies1996-10732022-07-011513482410.3390/en15134824Transient Stability Analysis of a Multi-Machine Power System Integrated with RenewablesAjaysekhar Agarala0Sunil S. Bhat1Arghya Mitra2Daria Zychma3Pawel Sowa4Department of Electrical Engineering, Visvesvaraya National Institute of Technology, Nagpur 440010, IndiaDepartment of Electrical Engineering, Visvesvaraya National Institute of Technology, Nagpur 440010, IndiaDepartment of Electrical Engineering, Visvesvaraya National Institute of Technology, Nagpur 440010, IndiaDepartment of Power System and Control, Faculty of Electrical Engineering, Silesian University of Technology, 44-100 Gliwice, PolandDepartment of Power System and Control, Faculty of Electrical Engineering, Silesian University of Technology, 44-100 Gliwice, PolandThe impact on the stability of power systems is rising as the penetration level of renewable energy with sporadic natures rises rapidly on the grid. However, the impact of different types of renewable energy sources (wind, solar) and their combination on system stability varies even with the same penetration level. This paper concentrates mainly on the stability analysis of multi-machine systems connected to various types of renewable energy sources. The study presents a simple and novel control technique named automatic reactive power support (ARS) for both single and combinations of renewable sources by injecting the available reactive power into the system during fault through converters to enhance system stability. The permanent magnet synchronous generator (PMSG) and doubly fed induction generator (DFIG) are both considered as wind generators in this paper for comparison. In addition, transient stability enhancement is carried out by improving critical clearing time of a three-phase fault in the power system. With the creation of a 3-phase fault at various buses, stability analysis is carried out on the 9-bus WSCC test bus system and also on the 68-bus IEEE test system. Comparative analysis of six test case conditions is provided and the considered cases are without renewable source, with DFIG as a wind generator, PMSG as a wind generator, solar PV farm, wind farm with DFIG and solar PV in combination and the combination of wind farm with PMSG and solar PV. Moreover, the improvement in critical clearing time of the system is compared using conventional and proposed controls with all the aforementioned renewable sources. Comparative results show that the proposed control technique improves system stability and also that the combination of renewable energy sources ought to enhance the critical clearing time of system.https://www.mdpi.com/1996-1073/15/13/4824DFIGPMSGsolar PVtransient stabilitymulti-machine system and reactive power control |
| spellingShingle | Ajaysekhar Agarala Sunil S. Bhat Arghya Mitra Daria Zychma Pawel Sowa Transient Stability Analysis of a Multi-Machine Power System Integrated with Renewables Energies DFIG PMSG solar PV transient stability multi-machine system and reactive power control |
| title | Transient Stability Analysis of a Multi-Machine Power System Integrated with Renewables |
| title_full | Transient Stability Analysis of a Multi-Machine Power System Integrated with Renewables |
| title_fullStr | Transient Stability Analysis of a Multi-Machine Power System Integrated with Renewables |
| title_full_unstemmed | Transient Stability Analysis of a Multi-Machine Power System Integrated with Renewables |
| title_short | Transient Stability Analysis of a Multi-Machine Power System Integrated with Renewables |
| title_sort | transient stability analysis of a multi machine power system integrated with renewables |
| topic | DFIG PMSG solar PV transient stability multi-machine system and reactive power control |
| url | https://www.mdpi.com/1996-1073/15/13/4824 |
| work_keys_str_mv | AT ajaysekharagarala transientstabilityanalysisofamultimachinepowersystemintegratedwithrenewables AT sunilsbhat transientstabilityanalysisofamultimachinepowersystemintegratedwithrenewables AT arghyamitra transientstabilityanalysisofamultimachinepowersystemintegratedwithrenewables AT dariazychma transientstabilityanalysisofamultimachinepowersystemintegratedwithrenewables AT pawelsowa transientstabilityanalysisofamultimachinepowersystemintegratedwithrenewables |