A Study of Effects of Stochastic Wind Power and Load to Power System Stability Using Stochastic Stability Analysis Method

2014 ◽  
Vol 931-932 ◽  
pp. 878-882 ◽  
Author(s):  
Panom Parinya ◽  
Anawach Sangswang ◽  
Krissanapong Kirtikara ◽  
Dhirayut Chenvidhya ◽  
Sumate Naetiladdanon ◽  
...  

The stochastic stability analysis method is proposed in this paper to investigate the small signal stability (SSS) of the single machine infinite bus power system. An induction generator wind turbine model is examined including frequency dependent load. The first integral energy function method is applied based on Lyapunovs stability and the theory of stochastic stability. This proposed method can investigate effects of stochastic wind power and load quantitatively while the general deterministic methods cannot.

2013 ◽  
Vol 441 ◽  
pp. 258-262
Author(s):  
Lin Lin Yu ◽  
Yu Fei Rao ◽  
Shi Qian Wang

With the rapid growth in the size of Henan grid, in the context of UHV networking, Henan power grid operation is facing a more complex mechanism and operating characteristics. Risks affecting the security and stability will be more subtle. There are more and more problems in frequency oscillation. The power system has much more generators and dimension after interconnection. Small signal stability analyzing eigenvalue complex and longer, which greatly reduces the work efficiency. This paper which based on Henan power system stability diagnostic platform developed technology based on multi-band parallel algorithm for small signal stability analysis. The analysis of the small signal stability eigenvalue calculation is assigned to a different platform computing nodes simultaneously. Then this method is applied to Henan grid in the year of 2012. The results show that the small signal stability algorithm which based on the multi-band can ensure the correctness of calculations. Simultaneously, calculation time is greatly reduced and the work efficiency is improved. The practice has a strong role in the promotion.


Author(s):  
Panom Parinya ◽  
Anawach Sangswang ◽  
Krissanapong Kirtikara ◽  
Dhirayut Chenvidhya ◽  
Sumate Naetiladdanon ◽  
...  

2021 ◽  
Vol 1 (1) ◽  
pp. 32-44
Author(s):  
Sagar Dharel ◽  
Rabindra Maharjan

Government of Nepal has realized that wind energy could become a major source of alternative energy to solve energy crisis in the country as well as serve the purpose of energy mix. Various studies have identified several locations with potential for wind power generation in Nepal. The integration of wind power plant to the national grid, however, raises concerns regarding the power system stability. The voltage stability of the grid is a key issue, the effect on which increases with the increase in wind power penetration in the grid. This study performs voltage stability analysis due to high penetration of wind power in Integrated Nepalese Power System (INPS). Both steady state and dynamic stability study is performed using the power system simulation software DigSILENT/PowerFactory for different types of wind turbine generators.


2021 ◽  
Author(s):  
Min Jiao ◽  
Xiaoyan Qi ◽  
Qiming Wang ◽  
Xijun Feng ◽  
Kang Li ◽  
...  

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