Results 61 to 70 of about 1,240 (203)

Sequence extraction-based low voltage ride-through control of grid-connected renewable energy systems [PDF]

, 2023
Various faults can cause voltage sag in the power grid at different voltage levels across the network. Balanced or unbalanced voltage sags lead to grid instability by tripping off a large number of wind or solar power plants from the electric power ...
Achour, Y., Benyamina, F., Benrabah, A., Ahmed, Hafiz, Benyamina, Fayçal, Khoucha, F., Fayçal Benyamina, Abdeldjabar Benrabah, Ahmed, H., Farid Khoucha, Yahia Achour, Benrabah, Abdeldjabar, Mohamed Benbouzid, Achour, Yahia, Khoucha, Farid, Benbouzid, Mohamed, Benbouzid, M., Hafiz Ahmed   +17 more
core   +1 more source

Preventive Control Considering Stability Constraints for Repeated Low Voltage Ride Through Events

IET Generation, Transmission &Distribution, Volume 20, Issue 1, January/December 2026.
This paper proposes a voltage stability preventive control strategy that accounts for repeated low‐voltage ride‐through characteristics. The method first partitions the system and constructs a short‐term voltage stability assessment index that effectively incorporates repetitive LVRT events, while offline generating a corresponding set of anticipated ...
Zhichong Cao, Cheng Liu, Chao Jiang, Rijun Wang, Jianyi Che, Rundong Tian   +5 more
wiley   +1 more source

Analysis of Low Voltage Ride Through Techniques for Grid-Connected Photovoltaic Systems

, 2020
This paper presents a comparative analysis of different low voltage ride though strategies proposed for operation of a grid connected two stage photovoltaic system under low voltages.
V, Seshadri Sravan Kumar, Naresh, P.
core   +1 more source

Value‐Based Reinforcement Learning for Inter‐Area Oscillations Mitigation in PV‐Integrated Power Systems

IET Generation, Transmission &Distribution, Volume 20, Issue 1, January/December 2026.
Enhanced critic‐only DQN with smoothing enables continuous SVC control for damping inter‐area oscillations. The state selection via participation and residue analysis captures critical key modes. Orthogonal array efficiently tunes hyperparameters with low cost.
Gunawan Dewantoro, Faizal Hafiz, Akshya Swain, Nitish Patel   +3 more
wiley   +1 more source

Low-voltage ride-through capability improvement of Type-3 wind turbine through active disturbance rejection feedback control-based dynamic voltage restorer [PDF]

, 2023
Disconnections due to voltage drops in the grid cannot be permitted if wind turbines (WTs) contribute significantly to electricity production, as this increases the risk of production loss and destabilizes the grid.
Abdelmounime El Magri, El Mahfoud Boulaoutaq, Ahmed Abbou, Asma Aziz, Ajaamoum, Mohamed, Rachdy, Azeddine, Abbou, Ahmed, Azeddine Rachdy, Aziz, Asma, El Magri, Abdelmounime, Mohamed Ajaamoum, Boulaoutaq, El M.   +11 more
core   +1 more source

Wind–Storage Coordinated Control Strategy for Suppressing Repeated Voltage Ride-Through of Units Under Extreme Weather Conditions

Energies
In practical engineering, large-scale wind power integration typically requires long-distance transmission lines to deliver power to load centers. The resulting weak sending-end systems lack support from synchronous power sources.
Yunpeng Wang, Ke Shang, Zhen Xu, Chen Hu, Benzhi Gao, Jianhui Meng   +5 more
doaj   +1 more source

Higher‐Order Statistics Based Pilot Protection Scheme for Wind Farm Transmission Line Connected to VSC Station

IET Generation, Transmission &Distribution, Volume 20, Issue 1, January/December 2026.
This paper analyses the distribution of fault current samples for both external and internal faults conditions and quantifies the differences in the features by using the third‐order cumulant and kurtosis. On this basis, a pilot protection scheme was proposed for transmission lines wind farm transmission line connected to VSC station.
Ziliang Wu, Bowei Zou, Bolun Pan, Yuhan Yang, Jia Zhu, Yinhong Li, Luliang Zhang, Xianzhong Duan   +7 more
wiley   +1 more source

Addressing Distance Relay Mal‐Operation in Low‐Inertia Grids: A PLL‐Informed Power Swing Assessment

IET Generation, Transmission &Distribution, Volume 20, Issue 1, January/December 2026.
A key advantage of the proposed approach is its independence from PLL control settings, relying solely on locally measured electrical quantities, which ensures robust, fast, and practical implementation in existing commercial distance relays. ABSTRACT The increasing penetration of inverter‐based resources (IBRs) has substantially reduced system inertia
Ahmad Reza Baghaei, Hamid Reza Izadfar, Hamid Yaghobi   +2 more
wiley   +1 more source

Voltage Sag Detection in Grid-Connected Photovoltaic Power Plant for Low Voltage Ride-Through Control [PDF]

, 2019
Background: Due to the high level of photovoltaic power plants (PVPPs) penetration into power grids, disconnections of these plants during faults are no longer possible as it may cause problems concerning stability, quality, and operation of the power ...
Muhamad Zahim, Sujod, Al-Shetwi, Ali Q.
core   +1 more source

Analysis and Control of Low-Voltage Ride-Through Capability Improvement for PMSG Based on an NPC Converter Using an Interval Type-2 Fuzzy Logic System

Elektronika ir Elektrotechnika, 2019
Wind farms must be linked to the grid during the voltage sag. Therefore, the improvement of low-voltage ride-through (LVRT) capability of wind turbine (WT) is a vitally issue. Protection system based on an interval type-2 fuzzy logic system (IT-2 FLC) is
Altan Gencer
doaj   +1 more source