Dispatchable Current Source Virtual Oscillator Control Achieving Global Stability
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arXiv
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| Main Authors: | , , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866908622217281536 |
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| author | Zhuang, Kehao Huang, Linbin Xin, Huanhai He, Xiuqiang Häberle, Verena Dörfler, Florian |
| author_facet | Zhuang, Kehao Huang, Linbin Xin, Huanhai He, Xiuqiang Häberle, Verena Dörfler, Florian |
| contents | This work introduces a novel dispatchable current source virtual oscillator control (dCVOC) scheme for grid-following (GFL) converters, which exhibits duality with dispatchable virtual oscillator control (dVOC) in two ways: a) the current frequency is generated through reactive power control, similar to a PLL ; b) the current magnitude reference is generated through active power control. We formally prove that our proposed control always admits a steady-state equilibrium and ensures global stability under reasonable conditions on grid and converter parameters, even when considering LVRT and current saturation constraints. Our approach avoids low-voltage transients and weak grid instability, which is not the case for conventional GFL control. The effectiveness of our proposed control is verified through high-fidelity electromagnetic transient simulations. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2510_26977 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Dispatchable Current Source Virtual Oscillator Control Achieving Global Stability Zhuang, Kehao Huang, Linbin Xin, Huanhai He, Xiuqiang Häberle, Verena Dörfler, Florian Systems and Control This work introduces a novel dispatchable current source virtual oscillator control (dCVOC) scheme for grid-following (GFL) converters, which exhibits duality with dispatchable virtual oscillator control (dVOC) in two ways: a) the current frequency is generated through reactive power control, similar to a PLL ; b) the current magnitude reference is generated through active power control. We formally prove that our proposed control always admits a steady-state equilibrium and ensures global stability under reasonable conditions on grid and converter parameters, even when considering LVRT and current saturation constraints. Our approach avoids low-voltage transients and weak grid instability, which is not the case for conventional GFL control. The effectiveness of our proposed control is verified through high-fidelity electromagnetic transient simulations. |
| title | Dispatchable Current Source Virtual Oscillator Control Achieving Global Stability |
| topic | Systems and Control |
| url | https://arxiv.org/abs/2510.26977 |