54 citations · 166 across the 16 of their papers we have counts for
17 papers
Equilibrium-Free Contraction Stability Analysis for Grid-Forming Converter-Based Microgrids
Shijie Peng, Xiuqiang He, Xi Ru +1
Renewable-driven microgrids dominated by grid-forming (GFM) converters are subject to persistent power fluctuations, making equilibrium-known stability assessments restrictive. Thi…
Next-Generation Grid Codes: Towards a New Paradigm for Dynamic Ancillary Services
Verena Häberle, Kehao Zhuang, Xiuqiang He +3
This paper introduces a conceptual foundation for Next Generation Grid Codes (NGGCs) based on stability and performance certificates, enabling the provision of dynamic ancillary se…
Dispatchable Current Source Virtual Oscillator Control Achieving Global Stability
Kehao Zhuang, Linbin Huang, Huanhai Xin +3
This work introduces a novel dispatchable current source virtual oscillator control (dCVOC) scheme for grid-following (GFL) converters, which exhibits duality with dispatchable vir…
Ultrafast Grid Impedance Identification in -Asymmetric Three-Phase Power Systems
Mohamed Abdalmoaty, Verena Häberle, Xiuqiang He +1
We propose a non-parametric frequency-domain method to identify small-signal -asymmetric grid impedances, over a wide frequency band, using grid-connected converters. Existing…
Quantifying Grid-Forming Behavior: Bridging Device-Level Dynamics and System-Level Strength
Kehao Zhuang, Huanhai Xin, Verena Häberle +3
Grid-forming (GFM) technology is widely regarded as a promising solution for future power systems dominated by power electronics. However, a precise method for quantifying GFM conv…
Network-Independent Incremental Passivity Conditions for Grid-Forming Inverter Control
Jared Miller, Maitraya Avadhut Desai, Xiuqiang He +2
Grid-forming inverters control the power transfer between the AC and DC sides of an electrical grid while maintaining the frequency and voltage of the AC side. This paper focuses o…
Quantifying Grid-Forming Behavior: Bridging Device-level Dynamics and System-Level Strength
Kehao Zhuang, Huanhai Xin, Verena Häberle +5
Grid-forming (GFM) technology is widely regarded as a promising solution for future power systems dominated by power electronics. However, a universally accepted definition of GFM…
Decentralized Parametric Stability Certificates for Grid-Forming Converter Control
Verena Häberle, Xiuqiang He, Linbin Huang +2
We propose a decentralized framework to analytically guarantee the small-signal stability of future power systems with grid-forming converters. Our approach leverages dynamic loop-…
Grid-Forming Control of Modular Dynamic Virtual Power Plants
Xiuqiang He, Josué Duarte, Verena Häberle +1
This article explores a flexible and coordinated control design for an aggregation of heterogeneous distributed energy resources (DERs) in a dynamic virtual power plant (DVPP). The…
Cross-Forming Control and Fault Current Limiting for Grid-Forming Inverters
Xiuqiang He, Maitraya Avadhut Desai, Linbin Huang +1
This article proposes a "cross-forming" control concept for grid-forming inverters operating against grid faults. Cross-forming refers to voltage angle forming and current magnitud…
Dynamic Complex-Frequency Control of Grid-Forming Converters
Roger Domingo-Enrich, Xiuqiang He, Verena Häberle +1
Complex droop control, alternatively known as dispatchable virtual oscillator control (dVOC), stands out for its unique capabilities in synchronization and voltage stabilization am…
Saturation-Informed Current-Limiting Control for Grid-Forming Converters
Maitraya Avadhut Desai, Xiuqiang He, Linbin Huang +1
In this paper, we investigate the transient stability of a state-of-the-art grid-forming complex-droop control (i.e., dispatchable virtual oscillator control, dVOC) under current s…
Optimal Dynamic Ancillary Services Provision Based on Local Power Grid Perception
Verena Häberle, Xiuqiang He, Linbin Huang +2
In this paper, we propose a systematic closed-loop approach to provide optimal dynamic ancillary services with converter-interfaced generation systems based on local power grid per…
Passivity and Decentralized Stability Conditions for Grid-Forming Converters
Xiuqiang He, Florian Dörfler
We prove that the popular grid-forming control, i.e., dispatchable virtual oscillator control (dVOC), also termed complex droop control, exhibits output-feedback passivity in its l…
Quantitative Stability Conditions for Grid-Forming Converters With Complex Droop Control
Xiuqiang He, Linbin Huang, Irina Subotić +2
In this paper, we analytically study the transient stability of grid-connected converters with grid-forming complex droop control, also known as dispatchable virtual oscillator con…
Dynamic Ancillary Services: From Grid Codes to Transfer Function-Based Converter Control
Verena Häberle, Linbin Huang, Xiuqiang He +2
Conventional grid-code specifications for dynamic ancillary services provision such as fast frequency and voltage regulation are typically defined by means of piece-wise linear ste…
Joint Oscillation Damping and Inertia Provision Service for Converter-Interfaced Generation
Cheng Feng, Linbin Huang, Xiuqiang He +3
Power systems dominated by converter-interfaced distributed energy resources (DERs) typically exhibit weaker damping capabilities and lower inertia, compromising system stability.…