Results 11 to 20 of about 27,102 (285)

Active Power Dispatch Plan among Units in DFIG Based Wind Farm [PDF]

International Journal of Computational Intelligence Systems, 2015
During normal operation, doubly-fed induction generator (DFIG) can generate certain range of reactive power according to the requirements of the power grid.
Lefeng Zhang, Zengping Wang
doaj   +1 more source

Optimal Reactive Power Dispatch With Time-Varying Demand and Renewable Energy Uncertainty Using Rao-3 Algorithm

IEEE Access, 2021
The appropriate control and management of reactive power is of great relevance in the electrical reliability, stability, and security of power grids.
Mohamed H. Hassan, Salah Kamel, Mahmoud A. El-Dabah, Tahir Khurshaid, Jose Luis Dominguez-Garcia   +4 more
doaj   +1 more source

Modified approach of reactive power dispatch for wind farm voltage constraints of an individual connection point

The Journal of Engineering, 2022
This paper proposes a modification method focusing on the distance‐based reactive power dispatch method that is applied in wind farm structures. Due to the continuous expansion of grid requirements, the development of new approaches needs to be more ...
Seungmin Jung
doaj   +1 more source

Comparison amongst Lagrange, Firefly, and ABC Algorithms for Low-Noise Economic Dispatch and Reactive Power Compensation in Islanded Microgrids

Energies, 2023
For the microgrids to operate securely, distributed generators must be able to interact with one another without experiencing any communication delays or noise.
Shruti Singh, David Wenzhong Gao
doaj   +1 more source

An Efficient Reactive Power Dispatch Method for Hybrid Photovoltaic and Superconducting Magnetic Energy Storage Inverters in Utility Grids

IEEE Access, 2020
The intermittent property and increased grid restrictions have become the most critical elements for increasing penetration levels of clean renewable energy sources (RESs).
Sayed M. Said, Mokhtar Aly, Hartmann Balint   +2 more
doaj   +1 more source

A Multitasking Electric Power Dispatch Approach With Multi-Objective Multifactorial Optimization Algorithm

IEEE Access, 2020
Electric power dispatch issue mainly consists of two optimization tasks: active and reactive power dispatches, each of which is a non-linear multi-objective optimization problem with a series of constraints.
Junwei Liu, Peiling Li, Guibin Wang, Yongxing Zha, Jianchun Peng, Gang Xu   +5 more
doaj   +1 more source

Reactive Power Dispatch Method in Wind Farms to Improve the Lifetime of Power Converter Considering Wake Effect [PDF]

, 2017
In Wind Farms (WF), the most popular and commonly implemented active power control method is the Maximum Power Point Tracking (MPPT). Due to the wake effect, the upstream Wind Turbine (WT) in WFs has more active power generation than the downstream WT at
Blaabjerg, Frede, Chen, Zhe, Su, Chi, Tian, Jie, Zhou, Dao   +4 more
core   +2 more sources

A New Approach to Optimal Allocation of Reactive Power Ancillary Service in Distribution Systems in the Presence of Distributed Energy Resources

Applied Sciences, 2015
One of the most important Distribution System Operators (DSO) schemes addresses the Volt/Var control (VVC) problem. Developing a cost-based reactive power dispatch model for distribution systems, in which the reactive powers are appropriately priced, can
Abouzar Samimi, Ahad Kazemi
doaj   +1 more source

Mitigation of voltage sag for DVR to comply with voltage security protocol via elliptical trajectory compensation

IET Power Electronics, 2021
In this paper, a flexible power dispatch strategy based on the elliptical trajectory is proposed to maximize the operating region for dynamic voltage restorer (DVR) during voltage sags.
Peng Li, Yi Wang, Can Wang, Jinghang Lu, Xuewei Pan, Frede Blaabjerg   +5 more
doaj   +1 more source

Coordinated Power Dispatch of a PMSG based Wind Farm for Output Power Maximizing Considering the Wake Effect and Losses [PDF]

, 2016
The energy loss in a wind farm (WF) caused by wake interaction between wind turbines (WTs) is quite high, which can be reduced by proper active power dispatch.
Chen, Zhe, Hou, Peng, Hu, Weihao, Soltani, Mohsen, Zhang, Baohua   +4 more
core   +2 more sources