Results 81 to 90 of about 453 (189)

Frequency Stability Analysis of Grid-Forming Control in Voltage Source Converters

IEEE Access
Currently most of the existing voltage-source converters (VSCs) in large scale power transmission networks are in grid-following (GFL) control. However, the rapid growth of renewable energy in electricity generation motivates the development of a new ...
Yinru Chen, Xiao-Ping Zhang, Shuhao Yan
doaj   +1 more source

Data-Driven Modeling of Grid-Forming Inverter Dynamics Using Power Hardware-in-the-Loop Experimentation

IEEE Access
Recently, there is rapid integration of power electronic converter (PECs) into the power grid. Most of these PECs are grid-following inverters, where weak grid operation becomes an issue.
Nischal Guruwacharya, Soham Chakraborty, Govind Saraswat, Richard Bryce, Timothy M. Hansen, Reinaldo Tonkoski   +5 more
doaj   +1 more source

Sensitivity-based impedance modeling of AC voltage-controlled converters [PDF]

Loads affect the stability of grid-forming (GFM) converters, both in stand-alone and grid-connected modes. This has motivated the development of methods that study the stability of GFM converters using an impedance-based analysis.
Ríos Castro, Diego, Doval Gandoy, Jesús, Pérez Estévez, Diego   +2 more
core   +1 more source

Converter station selection method of urban VSC‐DC intertie for grid resilience enhancement

High Voltage
The site selection of converter stations for voltage source converter‐based direct current (VSC‐DC) interties can significantly impact their control performance, particularly when both grid‐following control (GFL) and grid‐forming control (GFM) are ...
Mingyang Li, Kaiqi Sun, Ke‐Jun Li, Yang Liu, Ge Cao, Shuxin Song, Yuanyuan Sun   +6 more
doaj   +1 more source

Analysis of low-frequency oscillation characteristics and damping enhancement strategy for grid-forming PV with DC-voltage controller

Frontiers in Energy Research
IntroductionGrid-forming (GFM) converters with DC-voltage controller can emulate inertia and support frequency stability while maintaining a stable DC voltage, making this method well-suited for PV systems.
Weikang Kong, Yongjun Zhou, Jun Li, Jie Wu, Jing Xia, Linpeng Lei   +5 more
doaj   +1 more source

Active Damping of Grid-Forming Voltage-Source Converter Using Fractional-Order Regulators [PDF]

For a reliable integration of power-electronic-based generation in the future energy system, the grid-forming (GFM) converter has been extensively considered as a potential solution.
Guerrero, Josep M.; id_orcid, Wu, Jingxuan, Guan, Yajuan; id_orcid, Vasquez, Juan C.; id_orcid, Kang, Wenfa; id_orcid, Yu, Yun   +5 more
core   +1 more source

Impact of AC Voltage Control and Reactive Power Control on Transient Stability of Grid-Forming Converters With Current Saturation Under Phase to Ground Faults and Phase Jumps

IEEE Open Access Journal of Power and Energy
Grid-forming (GFM) converters are increasingly deployed to support power system stability in low-inertia grids. However, the impact of voltage magnitude control strategies on transient stability under fault conditions remains insufficiently understood ...
Yinru Chen, Xiao-Ping Zhang, Shuhao Yan
doaj   +1 more source

Operation of a Grid-Forming Converter Controlled by the Flux Vector

IEEE Access
The electric power system is undergoing a significant transition. Renewable energy generation capacity has increased, leading to the displacement of synchronous generators (SG) and a growing concern about grid stability due to the decrease of rotating ...
Juan Dolado Fernandez, Eduardo Rausell Navarro, Jose Luis Rodriguez Amenedo, Joaquin Eloy-Garcia, Santiago Arnaltes Gomez   +4 more
doaj   +1 more source

Transient Voltage Support Strategy of Grid-Forming Medium Voltage Photovoltaic Converter in the LCC-HVDC System

CSEE Journal of Power and Energy Systems
The participation of photovoltaic (PV) plants in supporting the transient voltage caused by commutation failure in the line-commutated-converter-based high voltage direct current (LCC-HVDC) system is of great significance, as it can enhance the DC ...
Hong Lu, Xianyong Xiao, Guangfu Tang, Zhiyuan He, Zhiguang Lin, Chong Gao, Zixuan Zheng   +6 more
doaj   +1 more source

Fast Active Power Recovery for Grid-Forming Converter During Postfault Under Different R/X Ratios of Grid Impedance [PDF]

Fast active power recovery is very important for grid forming (GFM) converters to support the grid after clearing faults. However, most existing research only focuses on the voltage sag process without much attention paid to the postfault process.
Zou, Zhaoyue, Xiong, Xiaoling, Wu, Chao; id_orcid, Blaabjerg, Frede; id_orcid, Wang, Yong   +4 more
core   +1 more source