Results 81 to 90 of about 7,719 (230)
A High-Order Sliding Mode Observer for Sensorless Control ofDFIG-Based Wind Turbines
International audienceThis paper deals with the sensorless control of a doubly-fed induction generator (DFIG) based wind turbine. The sensorless control scheme is based on a high-order sliding mode (HOSM) observer to estimate the DFIG rotational speed ...
Beltran, Brice +3 more
core +2 more sources
Based on the characteristic of wind turbine LVRT influencing system power balance, this study proposes a method utilising active LVRT control to achieve transient stability. A transient stability control strategy is developed by integrating active LVRT with deep reinforcement learning while introducing a disturbance‐level‐based coordinated control ...
Guangyao Yu +6 more
wiley +1 more source
Control of DFIG based wind generation systems under unbalanced network supply [PDF]
This paper develops a dynamic model and control scheme for DFIG systems to improve the performance and stability under unbalanced grid conditions. A dynamic DFIG model containing the positive and negative sequence components is presented using stator ...
Wang, Yi, Xu, L.
core +1 more source
In the paper, first, the modelling of a power system with a Permanent Magnet Synchronous Generator (PMSG), Unified Power Flow Controller (UPFC) and Doubly‐Fed Induction Generator (DFIG) is fully considered. Next, the possible candidate control law and its implementation technique on the power network are examined.
Mohsen Zamani Boroujeni +3 more
wiley +1 more source
A GEDMM is proposed to represent the MIWPS as multiple VSISs and model each of them as the VTDS2M whose unknown parameters are identified with the proposed hybrid optimized square root cubature Kalman filter (HOSRCKF). To solve the issues that the physical meanings of existing short circuit ratios (SCRs) are unclear and the critical values of existing ...
Mengxian Sun +3 more
wiley +1 more source
The doubly fed induction generator (DFIG) usually experiences high rotor current and DC capacitor link voltage spikes during system fault events. In this paper, a novel data‐driven approach is proposed to enhance DFIG performance under fault scenarios ...
Wei Gao +7 more
doaj +1 more source
Preventive Control Considering Stability Constraints for Repeated Low Voltage Ride Through Events
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 +5 more
wiley +1 more source
Cyber‐Resilient MMC‐MTDC Stability via Robust Observer Design for Wind‐Integrated Grids
This paper proposes a stochastic stabilising control method, based on a Markov jump model (MJM), to comprehensively address stability challenges in modular multilevel converter‐based multi‐terminal direct current (MMC‐MTDC) systems due to communication network disturbances.
Mohsen Darabian +5 more
wiley +1 more source
Fault ride-through of doubly-fed induction generator with converter protection schemes [PDF]
This paper from the point view of wind farm fault ride-through (FRT) capability, discusses the performance of converter protection schemes to it. Different resistor protection methods are summarized and then a new combined protection with crowbar (CB ...
Dorrell, DG, Fletcher, JE, Yang, J
core +1 more source
To enhance grid stability and resilience in high renewable energy scenarios, this research proposes a cascaded control optimization framework guided by a novel dynamic resilience metric. Validated on a representative Australian grid, the framework significantly reduced voltage overshoot and extended fault clearing times, offering a robust solution for ...
Sadnan Sakib +4 more
wiley +1 more source

