Energy Control of Grid-forming Energy Storage based on Bandwidth Separation Principle
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arXiv
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| Auteurs principaux: | , , |
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| Format: | Preprint |
| Publié: |
2024
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| _version_ | 1866929478645579776 |
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| author | Sun, Chu Ali, Syed Qaseem Joos, Geza |
| author_facet | Sun, Chu Ali, Syed Qaseem Joos, Geza |
| contents | The reduced inertia in power system introduces more operation risks and challenges to frequency regulation. The existing virtual inertia and frequency support control are restricted by the normally non-dispatchable energy resources behind the power electronic converters. In this letter, an improved virtual synchronous machine (VSM) control based on energy storage is proposed, considering the limitation of state-of-charge. The steady-state energy consumed by energy storage in inertia, damping and frequency services is investigated. Based on bandwidth separation principle, an energy recovery control is designed to restore the energy consumed, thereby ensuring constant energy reserve. Effectiveness of the proposed control and design is verified by comprehensive simulation results. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2408_16724 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Energy Control of Grid-forming Energy Storage based on Bandwidth Separation Principle Sun, Chu Ali, Syed Qaseem Joos, Geza Systems and Control The reduced inertia in power system introduces more operation risks and challenges to frequency regulation. The existing virtual inertia and frequency support control are restricted by the normally non-dispatchable energy resources behind the power electronic converters. In this letter, an improved virtual synchronous machine (VSM) control based on energy storage is proposed, considering the limitation of state-of-charge. The steady-state energy consumed by energy storage in inertia, damping and frequency services is investigated. Based on bandwidth separation principle, an energy recovery control is designed to restore the energy consumed, thereby ensuring constant energy reserve. Effectiveness of the proposed control and design is verified by comprehensive simulation results. |
| title | Energy Control of Grid-forming Energy Storage based on Bandwidth Separation Principle |
| topic | Systems and Control |
| url | https://arxiv.org/abs/2408.16724 |