Optimal Operation Strategy of ESS for EV Charging Infrastructure for Voltage Stabilization in a Secondary Feeder of a Distribution System
The introduction of electrical vehicle charging infrastructure including electric vehicle (EV) charger renewable energy resource at the secondary feeder in a distribution system has been increased as one of countermeasure for global environmental issues. However, the electric vehicle charging (EVC)...
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MDPI AG
2020-01-01
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| Series: | Energies |
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| Online Access: | https://www.mdpi.com/1996-1073/13/1/179 |
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| author | Dae-Jin Kim Kyung-Sang Ryu Hee-Sang Ko Byungki Kim |
| author_facet | Dae-Jin Kim Kyung-Sang Ryu Hee-Sang Ko Byungki Kim |
| author_sort | Dae-Jin Kim |
| collection | DOAJ |
| description | The introduction of electrical vehicle charging infrastructure including electric vehicle (EV) charger renewable energy resource at the secondary feeder in a distribution system has been increased as one of countermeasure for global environmental issues. However, the electric vehicle charging (EVC) infrastructure may act as the peak load in the distribution system, which can adversely impact on the voltage stability when the electric vehicle is quickly charged. Therefore, to keep within the limit capacity of a secondary feeder and allowable limit for the feeder voltage, this paper proposes a stabilization method by an energy storage system (ESS) control strategy at the secondary feeder to not exceed the upper limit or fall below the lower limit. In addition, this paper presents an estimation method to keep the proper standard value of the state of charge (SOC). From the simulation results, the voltage stabilization operation by the ESS should make the feeder voltages of the distribution system (secondary feeder) introduced EVC infrastructure keep better voltage conditions. In addition, the estimation method was able to keep the proper standard value confirming that the SOC of the ESS when it is in standby can be kept within the proper reference range. Therefore, it is confirmed that this strategy is an effective tool to solve the voltage problems by ESS. |
| format | Article |
| id | doaj-art-abca967fd8744c3f8dcbd937e13f0e2c |
| institution | Kabale University |
| issn | 1996-1073 |
| language | English |
| publishDate | 2020-01-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Energies |
| spelling | doaj-art-abca967fd8744c3f8dcbd937e13f0e2c2024-11-11T15:53:35ZengMDPI AGEnergies1996-10732020-01-0113117910.3390/en13010179en13010179Optimal Operation Strategy of ESS for EV Charging Infrastructure for Voltage Stabilization in a Secondary Feeder of a Distribution SystemDae-Jin Kim0Kyung-Sang Ryu1Hee-Sang Ko2Byungki Kim3Jeju Global Research Center (JGRC), Korea Institute of Energy Research (KIER), Jeju 63357, KoreaJeju Global Research Center (JGRC), Korea Institute of Energy Research (KIER), Jeju 63357, KoreaJeju Global Research Center (JGRC), Korea Institute of Energy Research (KIER), Jeju 63357, KoreaJeju Global Research Center (JGRC), Korea Institute of Energy Research (KIER), Jeju 63357, KoreaThe introduction of electrical vehicle charging infrastructure including electric vehicle (EV) charger renewable energy resource at the secondary feeder in a distribution system has been increased as one of countermeasure for global environmental issues. However, the electric vehicle charging (EVC) infrastructure may act as the peak load in the distribution system, which can adversely impact on the voltage stability when the electric vehicle is quickly charged. Therefore, to keep within the limit capacity of a secondary feeder and allowable limit for the feeder voltage, this paper proposes a stabilization method by an energy storage system (ESS) control strategy at the secondary feeder to not exceed the upper limit or fall below the lower limit. In addition, this paper presents an estimation method to keep the proper standard value of the state of charge (SOC). From the simulation results, the voltage stabilization operation by the ESS should make the feeder voltages of the distribution system (secondary feeder) introduced EVC infrastructure keep better voltage conditions. In addition, the estimation method was able to keep the proper standard value confirming that the SOC of the ESS when it is in standby can be kept within the proper reference range. Therefore, it is confirmed that this strategy is an effective tool to solve the voltage problems by ESS.https://www.mdpi.com/1996-1073/13/1/179coordination operationenergy storage systemESS control strategyelectrical vehicle charging infrastructurestate of chargestabilization method |
| spellingShingle | Dae-Jin Kim Kyung-Sang Ryu Hee-Sang Ko Byungki Kim Optimal Operation Strategy of ESS for EV Charging Infrastructure for Voltage Stabilization in a Secondary Feeder of a Distribution System Energies coordination operation energy storage system ESS control strategy electrical vehicle charging infrastructure state of charge stabilization method |
| title | Optimal Operation Strategy of ESS for EV Charging Infrastructure for Voltage Stabilization in a Secondary Feeder of a Distribution System |
| title_full | Optimal Operation Strategy of ESS for EV Charging Infrastructure for Voltage Stabilization in a Secondary Feeder of a Distribution System |
| title_fullStr | Optimal Operation Strategy of ESS for EV Charging Infrastructure for Voltage Stabilization in a Secondary Feeder of a Distribution System |
| title_full_unstemmed | Optimal Operation Strategy of ESS for EV Charging Infrastructure for Voltage Stabilization in a Secondary Feeder of a Distribution System |
| title_short | Optimal Operation Strategy of ESS for EV Charging Infrastructure for Voltage Stabilization in a Secondary Feeder of a Distribution System |
| title_sort | optimal operation strategy of ess for ev charging infrastructure for voltage stabilization in a secondary feeder of a distribution system |
| topic | coordination operation energy storage system ESS control strategy electrical vehicle charging infrastructure state of charge stabilization method |
| url | https://www.mdpi.com/1996-1073/13/1/179 |
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