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Virtual synchronous generators
Abstract
In electricity grids the frequency of the voltage is stabilized by a combination of the rotational inertia (rotating mass) of synchronous power generators in the grid and a control algorithm acting on the rotational speed of a number of major synchronous power generators. When in future small non-synchronous generation units replace a significant part of the synchronous power generation capacity, the total rotational inertia of the synchronous generators is decreased significantly. This causes large frequency variations that can end up in an unstable grid. A way to stabilize the grid frequency is to add virtual rotational inertia to the distributed generators. A virtual inertia can be attained for any generator by adding a short-term energy storage to it, combined with a suitable control mechanism for its power electronics converter. In this way a generator can behave like a ldquoVirtual Synchronous Generatorrdquo (VSG) during short time intervals, and contribute to stabilization of the grid frequency.
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Citations
Cited by
The Relevance of Inertia in Power Systems
Tielens, P., & Van Hertem, D. (2016) · Renewable and Sustainable Energy Reviews · doi:10.1016/j.rser.2015.11.016 · Cited by 809
Metadata
- Authors
- Driesen, J., & Visscher, K.
- Venue
- 2008 IEEE Power and Energy Society General Meeting - Conversion and Delivery of Electrical Energy in the 21st Century
- Publisher
- IEEE
- Published
- 2008-07
- Pages
- 1-3
- OpenAlex
- W2035221773
- Cited by
- 763
- References
- 0
- FWCI
- 10.80
- Type
- conference paper
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Virtual synchronous generators. https://app.cochat.ai/papers/10.1109/pes.2008.4596800
- The paper
- Driesen, J., & Visscher, K. (2008). Virtual synchronous generators. 2008 IEEE Power and Energy Society General Meeting - Conversion and Delivery of Electrical Energy in the 21st Century. https://doi.org/10.1109/pes.2008.4596800
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
