Results 61 to 70 of about 313 (109)

Neural control of DVR for wind turbine grid fault mitigation with PIL validation [PDF]

Power quality issues that include voltage sag and swell challenge grid stability, not least for renewable energy systems such as wind turbines (WTs). Occurrence of these voltage disturbances impacts severely the performance of WT systems, compromising ...
Ajaamoum, Mohamed, Bouachrine, Brahim, Dahmane, Kaoutar, Imodane, Belkasem, Mailal, Said, Oubella, Mhand   +5 more
core   +2 more sources

The Virtual Resistance Control Strategy for HVRT of Doubly Fed Induction Wind Generators Based on Particle Swarm Optimization [PDF]

, 2014
Grid voltage swell will cause transient DC flux component in the doubly fed induction generator (DFIG) stator windings, creating serious stator and rotor current and torque oscillation, which is more serious than influence of the voltage dip. It is found
Xue Li, Zhen Xie
core   +2 more sources

A novel FRT strategy for transformerless MMC to improve current differential protection performance under single-phase grounding faults

International Journal of Electrical Power & Energy Systems
AC/DC distribution networks are interconnected by converters such as modular multilevel converters (MMCs). In AC/DC distribution networks, single-phase grounding (SPG) faults can cause enormous challenges in relay protection.
Yuze Li, Peng Guo, Qianming Xu, Josep M. Guerrero   +3 more
doaj   +1 more source

Application of SMES unit to improve the performance of wind turbine conversion system [PDF]

, 2011
The amount of wind turbine connected to the power grid has significantly increased during the last decade. This has resulted in essential need to establish grid codes.
Abu Siada, Ahmed, Masoum, Mohammad Sherkat, Yunus, A.   +2 more
core  

Dynamic aggregation method for wind farms for overvoltage protection and accuracy stability enhancement

International Journal of Electrical Power & Energy Systems
Existing equivalent methods for permanent-magnet synchronous generator (PMSG) wind farms struggle to precisely simulate dynamic characteristics during overvoltage faults and protection triggering, thereby limiting their applicability in transient ...
Zongzheng Wang, Chenlei Liu, Wei Wang, Tong Zhao, Yifan Liu, Zhijuan Wang, Ying Sun, Xiaolong Wang   +7 more
doaj   +1 more source

Grid Code Proposal for Solar Photovoltaics Power Plant in Indonesia [PDF]

, 2019
This master thesis deals with the grid code design for solar photovoltaics power plant (PVPP). For this purpose, three approaches are identified: (1) Several sets of international grid codes for large scale solar PVPP are studied from operational ...
Pratama, Indra
core   +1 more source

Effect of intermittent voltage source converter faults on the overall performance of wind energy conversion system [PDF]

, 2013
The doubly fed induction generator (DFIG) is interfaced to the AC network through voltage source converters (VSCs) which are considered to be the core of the DFIG system.
Abdou, A., Abu-Siada, Ahmed, Pota, H.R.
core   +1 more source

Investigation of condition monitoring system for grid connected photovoltaic (GCPV) system with power electronics converters using machine learning techniques

e-Prime: Advances in Electrical Engineering, Electronics and Energy
Power systems protection has become more vital in recent years to ensure stability, reliability, security, and power quality due to the exponential growth of grid-connected photovoltaic (GCPV) systems. As a result, several nations have set new grid codes
Izhar Ahmad Saifi, Mohammad Amir, Ahteshamul Haque, Atif Iqbal   +3 more
doaj   +1 more source

Investigation of near flicker source impact on the dynamic performance of FCWECS [PDF]

, 2013
The number of full converter wind energy conversion system (FCWECS) connected to existing electricity grids has significantly increased worldwide during the last two decades.
Abu-Siada, Ahmed, Alharbi, Yasser, Masoum, Mohammad, Yunus, A.M. Shiddiq   +3 more
core  

Control, Modeling, and Analysis of Inverter-Based Resources [PDF]

, 2021
The increased penetration level of Inverter-Based Resources (IBR) presents new challenges to the planning and operation of electric grids traditionally designed, protected, and operated based on the inherent characteristics of synchronous machines ...
Baker, William
core