Comparison of operation characteristics of variable speed constant frequency wind farms into power system

2011 ◽  
Author(s):  
Feng Gao ◽  
Ning An ◽  
Ning-Hui Zhu ◽  
Feng Su
Keyword(s):  
Power System ◽  
Wind Farms ◽  
Variable Speed ◽  
Constant Frequency ◽  
Variable Speed Constant Frequency ◽  
Operation Characteristics

Coordinated Control of Variable-Speed Constant-Frequency Wind Farms in Weak Grids

2014 ◽  
Vol 986-987 ◽  
pp. 1201-1204
Author(s):  
Chao Li ◽  
Hong Tao Wang ◽  
Zhong Kang Wei ◽  
Chun Yi Wang
Keyword(s):  
Control Strategy ◽  
Voltage Stability ◽  
Reactive Power ◽  
Significant Proportion ◽  
Wind Farms ◽  
Coordinated Control ◽  
Variable Speed ◽  
Static Synchronous Compensator ◽  
Constant Frequency ◽  
Variable Speed Constant Frequency

Variable-speed constant-frequency (VSCF) wind farms are gradually becoming a significant proportion of generation in weak grids with constantly increasing penetration rate, and it should certainly take responsibility of the grid frequency and voltage stability. Based on the P-Q performance curve of doubly fed induction generator (DFIG), by introducing static synchronous compensator (STATCOM), this paper presents a coordinated control strategy of active power and reactive power to deal with fault and load disturbance in weak grids. Simulation results show that the proposed coordinated control strategy can effectively improve the frequency and voltage stability of the grids.

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