Excitation control system design of rotary type frequency converter for performance improvement of power system dynamics

Sae-Kok, Worawut; Yokoyama, Akihiko; Verma, Suresh; Ogawa, Soichi

doi:10.1109/pes.2005.1489085

IEEE Power Engineering Society General Meeting, 2005

DOI: 10.1109/pes.2005.1489085

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Excitation control system design of rotary type frequency converter for performance improvement of power system dynamics

Worawut Sae-Kok¹,

Akihiko Yokoyama²,

Suresh Verma

et al.

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Variable Frequency Transformers for Increased Wind Penetration

Geetha

Jayashankar

2008

2008 Joint International Conference on Power System Technology and IEEE Power India Conference

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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 system. IndexTerms-pump storage, variable frequency transformers, wind energy.

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Variable Frequency Transformers for Increased Wind Penetration

Geetha

Jayashankar

2008

2008 Joint International Conference on Power System Technology and IEEE Power India Conference

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show abstract

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Excitation control system design of rotary type frequency converter for performance improvement of power system dynamics

Cited by 1 publication

References 7 publications

Variable Frequency Transformers for Increased Wind Penetration

Variable Frequency Transformers for Increased Wind Penetration

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