Results 281 to 290 of about 3,558,385 (316)

Current-Synchronization Control of Grid-Forming Converters for Fault Current Limiting and Enhanced Synchronization Stability

IEEE transactions on power electronics
Grid-forming (GFM) converters with the widely adopted power-synchronization controller (PSC) are exposed to the risk of losing synchronization, due to their limited power transfer capability under severe symmetrical faults.
Shan Jiang, Ye Zhu, Tianyi Xu, Georgios Konstantinou   +3 more
semanticscholar   +1 more source

Transient Synchronization Stability Analysis of Grid-Following Converter Considering the Coupling Effect of Current Loop and Phase Locked Loop

IEEE transactions on energy conversion
With the increasing penetration of voltage source converters (VSC) in the modern power grid, the transient stability of grid-following converters has attracted extensive attention.
Chao Wu, Yashi Lyu, Yong Wang, F. Blaabjerg   +3 more
semanticscholar   +1 more source

Transient Synchronization Stability Improvement Control Strategy for Grid-Connected VSC Under Symmetrical Grid Fault

IEEE transactions on power electronics, 2022
Under grid fault, the grid-connected voltage source converters (VSCs) have the risk of transient synchronization instability during low voltage ride through.
Sen Huang, Jun Yao, Jinxin Pei, Shiyue Chen, Yi Luo, Zhaoyang Chen   +5 more
semanticscholar   +1 more source

Dynamic Current Limiting of Grid-Forming Converters for Transient Synchronization Stability Enhancement

IEEE transactions on industry applications
Affected by the current limitation, the operation of grid-forming (GFM) voltage source converters (VSCs) will be switched from a voltage source mode to a current source mode under grid faults.
Yushuang Liu, H. Geng, Meng Huang, X. Zha   +3 more
semanticscholar   +1 more source

Power Compensation Control for DFIG-Based Wind Turbines to Enhance Synchronization Stability During Severe Grid Faults

IEEE transactions on power electronics, 2022
Wind turbines (WTs) are prone to lose the synchronization during severe grid faults due to the absence of equilibrium point. To cope with the issue, this letter proposes a power compensation control for doubly fed induction generator based WT to enhance ...
Yihang Yang, Donghai Zhu, X. Zou, Y. Chi, Yong Kang   +4 more
semanticscholar   +1 more source

Synchronization Stability Analysis Under Ultra-Weak Grid Considering Reactive Current Dynamics

IEEE transactions on industrial electronics (1982. Print)
The synchronization stability of grid-following converter has attracted extensive attention. It has been reported that the transient synchronization behavior during a grid fault is dominated by the phase-locked loop (PLL), while the current loop is ...
Bin Hu, Ling Zhan, Subham S. Sahoo, Liang Chen, Heng Nian, F. Blaabjerg   +5 more
semanticscholar   +1 more source

PLL Synchronization Stability of Grid-Connected VSCs Under Asymmetric AC Faults

IEEE transactions on energy conversion, 2022
This paper investigates the phase-locked loop (PLL) synchronization stability of grid-connected voltage source converters (VSCs) under asymmetric ac faults.
Yingbiao Li, Chen-Kun Lin, Jiabing Hu, Jianbo Guo   +3 more
semanticscholar   +1 more source

Equivalent Aggregated Modeling of Multi-VSC System for Transient Synchronization Stability Analysis

IEEE Transactions on Power Systems
In a multi-voltage-source-converter (multi-VSC) system, there may be a scenario where some VSCs lose synchronization stability and others keep stable under grid faults.
Yushuang Liu, H. Geng, Chang-Feng He, Wenze Ding, Chen Shen, Geng Yang   +5 more
semanticscholar   +1 more source

Impact of DC-Bus Voltage Control on Synchronization Stability of Grid-Tied Inverters

IEEE Transactions on Circuits and Systems - II - Express Briefs, 2022
The impact of dc-bus voltage control (DVC) on transient synchronization stability of grid-tied inverters operating in grid-feeding mode has been assessed in this brief. A nonlinear quasi-static model magnifying the dynamics of phase-locked loop (PLL) and
Diptak Pal, B. K. Panigrahi
semanticscholar   +1 more source

Transient Synchronization Stability Analysis of a Grid-Connected Wind Farm With Multiple PMSGs

IEEE Transactions on Power Systems
The paper proposes an analytical examination of the transient synchronization stability (TSS) of a grid-connected wind farm with multiple permanent magnet synchronous generators (PMSGs).
Zhen Gao, Wenjuan Du, Tianqi Zhao, Huan Xie, H.F. Wang, Shuxian Yi   +5 more
semanticscholar   +1 more source