Dimensioning of Reactive Power Compensation in an Autonomous Island System
In this paper, a method for sizing the reactive power compensation in a non-interconnected island power system is presented and applied to determine the necessary inductive reactive power compensation for the autonomous power system of Rhodes Island, Greece. The Rhodes power system is often confront...
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| Format: | Article |
| Language: | English |
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MDPI AG
2022-03-01
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| Series: | Applied Sciences |
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| Online Access: | https://www.mdpi.com/2076-3417/12/6/2827 |
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| author | Georgios N. Psarros Georgios I. Tsourakis Stavros A. Papathanassiou |
| author_facet | Georgios N. Psarros Georgios I. Tsourakis Stavros A. Papathanassiou |
| author_sort | Georgios N. Psarros |
| collection | DOAJ |
| description | In this paper, a method for sizing the reactive power compensation in a non-interconnected island power system is presented and applied to determine the necessary inductive reactive power compensation for the autonomous power system of Rhodes Island, Greece. The Rhodes power system is often confronted with an excess of reactive power, as a result—inter alia—of underground high-voltage (HV) cable lines and distributed generation penetration. Reactive power compensation is typically a local issue in power systems, usually aiming at maintaining an acceptable voltage profile on specific transmission segments, e.g., long underground or submarine cables. In autonomous systems, however, where network lengths are relatively short, reactive power compensation is meant to address the overall reactive power equilibrium of the system. The proposed method follows a three-step approach. First, power flow analysis is conducted to determine the size of the maximum compensation that may be necessary, i.e., the compensation size that practically allows unit commitment to be conducted without being constrained by reactive power considerations. Then, a unit commitment and economic dispatch model is executed over the course of a year to determine the optimal compensation size, using the output of the power flow analysis to formulate reactive power balance constraints. Finally, the results of the economic optimization are assessed in terms of dynamic security to verify the feasibility of the optimal solution. |
| first_indexed | 2024-03-09T20:10:07Z |
| format | Article |
| id | doaj.art-d469c403a45644bdba57094fa3c2d1b3 |
| institution | Directory Open Access Journal |
| issn | 2076-3417 |
| language | English |
| last_indexed | 2024-03-09T20:10:07Z |
| publishDate | 2022-03-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Applied Sciences |
| spelling | doaj.art-d469c403a45644bdba57094fa3c2d1b32023-11-24T00:19:55ZengMDPI AGApplied Sciences2076-34172022-03-01126282710.3390/app12062827Dimensioning of Reactive Power Compensation in an Autonomous Island SystemGeorgios N. Psarros0Georgios I. Tsourakis1Stavros A. Papathanassiou2School of Electrical and Computer Engineering, National Technical University of Athens (NTUA), 9 Iroon Polytechniou Street, 15780 Athens, GreeceIndependent Power Transmission Operator (IPTO) S.A., 15780 Athens, GreeceSchool of Electrical and Computer Engineering, National Technical University of Athens (NTUA), 9 Iroon Polytechniou Street, 15780 Athens, GreeceIn this paper, a method for sizing the reactive power compensation in a non-interconnected island power system is presented and applied to determine the necessary inductive reactive power compensation for the autonomous power system of Rhodes Island, Greece. The Rhodes power system is often confronted with an excess of reactive power, as a result—inter alia—of underground high-voltage (HV) cable lines and distributed generation penetration. Reactive power compensation is typically a local issue in power systems, usually aiming at maintaining an acceptable voltage profile on specific transmission segments, e.g., long underground or submarine cables. In autonomous systems, however, where network lengths are relatively short, reactive power compensation is meant to address the overall reactive power equilibrium of the system. The proposed method follows a three-step approach. First, power flow analysis is conducted to determine the size of the maximum compensation that may be necessary, i.e., the compensation size that practically allows unit commitment to be conducted without being constrained by reactive power considerations. Then, a unit commitment and economic dispatch model is executed over the course of a year to determine the optimal compensation size, using the output of the power flow analysis to formulate reactive power balance constraints. Finally, the results of the economic optimization are assessed in terms of dynamic security to verify the feasibility of the optimal solution.https://www.mdpi.com/2076-3417/12/6/2827autonomous power systemscost-benefit analysisdynamic securityovervoltage stabilityreactive compensationunit commitment |
| spellingShingle | Georgios N. Psarros Georgios I. Tsourakis Stavros A. Papathanassiou Dimensioning of Reactive Power Compensation in an Autonomous Island System Applied Sciences autonomous power systems cost-benefit analysis dynamic security overvoltage stability reactive compensation unit commitment |
| title | Dimensioning of Reactive Power Compensation in an Autonomous Island System |
| title_full | Dimensioning of Reactive Power Compensation in an Autonomous Island System |
| title_fullStr | Dimensioning of Reactive Power Compensation in an Autonomous Island System |
| title_full_unstemmed | Dimensioning of Reactive Power Compensation in an Autonomous Island System |
| title_short | Dimensioning of Reactive Power Compensation in an Autonomous Island System |
| title_sort | dimensioning of reactive power compensation in an autonomous island system |
| topic | autonomous power systems cost-benefit analysis dynamic security overvoltage stability reactive compensation unit commitment |
| url | https://www.mdpi.com/2076-3417/12/6/2827 |
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