Proceedings ArticleDOI
Variable Frequency Transformers for Increased Wind Penetration
T. Geetha,V. Jayashankar +1 more
- pp 1-8
TLDR
In this article, the voltage impact of wind farms on weak grids is studied using a generic test system and the voltage at the point of interconnection (POI) of the wind farm to the grid is analyzed for different values of grid X/R ratios.Abstract:
The voltage impact of wind farms on weak grids is studied using a generic test system The size of the wind farm is taken as 20% of the grid short circuit MVA to characterize weak grids The voltage at the point of interconnection (POI) of the wind farm to the grid is analyzed for different values of grid X/R ratios It is shown that reduction of real power injection at POI brings the voltage at POI within permissible values for the entire range of X/R ratios A pumped storage unit or a variable frequency transformer as an asynchronous inter connector is suggested to realize this Complete modeling and simulation of the proposed network topologies are given The results are discussed with reference to the Indian power systemread more
Citations
More filters
Journal ArticleDOI
A new synchronous generator based wind energy conversion system feeding an isolated load through variable frequency transformer
TL;DR: In this paper, the authors explored the possibility of synchronous generator based wind energy generation system feeding an isolated load using a latest power transmission technology i.e. variable frequency transformer (VFT).
Proceedings ArticleDOI
A novel method for grid integration of synchronous generator based wind energy generation system
TL;DR: The proposed method does not employ any power electronic based interface for grid integration of SG based WEGS and hence does not produce harmonics and the control of the proposed method is simple.
Proceedings ArticleDOI
Variable Frequency Transformer - State of the art review
TL;DR: The Variable Frequency Transformer (VFT) as mentioned in this paper is a controllable, bidirectional transmission device that can transfer power in between asynchronous power system networks, where the two separate electrical networks are connected to the stator winding and the rotor winding, respectively.
References
More filters
BookDOI
Wind Power in Power Systems
TL;DR: In this article, the authors focus on the generation of electricity from clean and renewable sources, and show that wind energy has become the world's fastest growing energy source, and that renewable energy is the most promising energy source.
Journal ArticleDOI
On the optimization of the daily operation of a wind-hydro power plant
TL;DR: In this article, an hourly-discretized optimization algorithm is proposed to identify the optimum daily operational strategy to be followed by the wind turbines and the hydro generation pumping equipments, provided that a wind-power forecasting is available.
Journal ArticleDOI
Maximising energy capture from distributed generators in weak networks
Aristides Kiprakis,A.R. Wallace +1 more
TL;DR: The paper discusses the implications of the increasing capacity of synchronous generators at the remote ends of rural distribution networks where the line resistances are high and the X/R ratios are low and proposed approaches may increase the export of real power while maintaining voltage within the statutory limits.
Journal ArticleDOI
Steady as she blows [wind power, energy storage]
TL;DR: In this article, the authors discuss the power electronic and energy storage technologies used in wind power, and discuss the technologies that make wind power more palatable to grid operators, making it possible for engineers to finally harness wind energy's tremendous potential in wind-swept, remote locales.
Proceedings ArticleDOI
Wind power integration in power systems with transmission bottlenecks
TL;DR: In this paper, four alternatives for large-scale wind power integration in power systems with transmission bottlenecks are considered: revision of the methods for calculation of available transmission capacity, transmission network reinforcement, excess wind energy curtailments and extra wind energy storage in hydro reservoirs.