Virtual oscillator grid-forming inverters: State of the art, modeling, and stability

M Lu - IEEE Transactions on Power Electronics, 2022 - ieeexplore.ieee.org
Grid-forming (GFM) inverters are dc–ac converters that regulate their ac terminal voltage and
frequency in response to real-time measurements. Recent developments on GFM controls …

[PDF][PDF] Virtual oscillator-based methods for grid-forming inverter control: A review

SA Aghdam, M Agamy - IET Renewable Power Generation, 2022 - scholar.archive.org
In inverter-dominant power systems, grid-forming (GFM) inverters regulate voltage and
frequency. To construct GFM inverters, conventionally, various control methods based on …

Benchmarking nonlinear oscillators for grid-forming inverter control

M Lu, S Dhople, B Johnson - IEEE Transactions on Power …, 2022 - ieeexplore.ieee.org
Virtual oscillator control (VOC) is a time-domain strategy that leverages the dynamics of
nonlinear oscillator circuits for synchronizing and regulating grid-forming inverters. In this …

Decentralized Control Strategy for Switching Harmonic Elimination of Modularized Input Parallel Output Series Dual Active Bridge Converter

J Ma, R Cheng, S Wang, P Wang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Input parallel output series modular dc converters are widely used in high-gain applications,
and interleaving multiple converters can reduce switching ripple. Yet, almost all existing …

A practical digital implementation of completely decentralized ripple minimization in parallel-connected DC–DC converters

S Dutta, B Johnson - IEEE Transactions on Power Electronics, 2022 - ieeexplore.ieee.org
Parallel dc–dc converters are commonplace in applications such as computing power
supplies, point of load systems, and dc microgrids. The presence of multiple converters in …

面向逆变器并联的虚拟振荡器控制技术综述.

林燎源, 柯全, 李平 - Electric Power Automation Equipment …, 2022 - search.ebscohost.com
虚拟振荡器控制作为继下垂控制和虚拟同步机控制之后提出的新型多逆变器无互联线并联技术,
因其独特的自同步机制和快速的动态响应性能等特点而成为当前的研究热点. 从控制结构 …

Virtual oscillator control of distributed power filters for selective ripple attenuation in DC systems

J Lin - IEEE Transactions on Power Electronics, 2021 - ieeexplore.ieee.org
In this article, a decentralized controller, based on the current mode virtual oscillator, is
proposed to control the distributed power filters in dc systems. This communication-free …

Model‐free predictive control of non‐isolated two‐stage AC–DC–DC converter based on linear extended state observer

X Yu, W Chen, F Wang, D Ke, L Xu… - International Journal of …, 2022 - Wiley Online Library
The conventional model predictive control (MPC) method of the non‐isolated two‐stage AC–
DC–DC converter has poor robustness and dynamic characteristics under conditions of …

Spontaneous phase balancing in delta-connected single-phase droop-controlled inverters

M Lu, S Dhople, D Zimmanck… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Power grids are evolving toward a highly distributed architecture with power-electronics
circuits interfacing a majority of generation, storage, and loads. To ensure stability as …

Decentralized carrier interleaving in cascaded multilevel dc-ac converters

S Dutta, R Mallik, B Majmunovic… - 2019 20th workshop …, 2019 - ieeexplore.ieee.org
Cascaded dc-ac converters with interleaved carriers are commonly used in applications
where elevated voltages and low-distortion multilevel waveforms are needed. Example …