scholarly journals Static Stability Analysis Based on Probabilistic Power Flow Calculation considering P2G Technology

Complexity ◽  
2021 ◽  
Vol 2021 ◽  
pp. 1-11
Author(s):  
Jia Yao ◽  
Yujia Huang ◽  
Jingwei Hu
Keyword(s):  
Power Generation ◽  
Renewable Energy ◽  
Stability Analysis ◽  
Probability Distribution ◽  
Wind Power ◽  
Power Flow ◽  
Static Stability ◽  
Wind Power Generation ◽  
Photovoltaic Power ◽  
Probabilistic Power Flow

At present, integrated energy systems have received extensive attention, but there is no basic framework for stability analysis of coupled systems. The injection of a large amount of renewable energy also has a great impact on the stability of the system. This paper focuses on how to analyze the static stability of the coupling system with uncertainty, which mainly considers the uncertainty of wind power generation and photovoltaic power generation and also considers the influence of P2G technology on the whole system. Firstly, this paper analyzes the principles of wind power generation and photovoltaic power generation and constructs the probability model of renewable energy power generation power. Then, the three-point estimation method is used to process the data, and the probability distribution of the unknown quantity is obtained by probabilistic power flow analysis. Finally, the probability distribution of each eigenvalue is obtained by analyzing the sensitivity of the characteristic roots to the voltage. Thus, the static stability of the system is judged. The applicability of proposed methodology is demonstrated by analyzing an integrated IEEE 14-bus power system and a Belgian 20-node gas system in this paper.

scholarly journals Probabilistic Approaches to the Security Analysis of Smart Grid with High Wind Penetration: The Case of Jeju Island’s Power Grids

Energies ◽  
2020 ◽  
Vol 13 (21) ◽  
pp. 5785
Author(s):  
Sunoh Kim ◽  
Jin Hur
Keyword(s):  
Power Generation ◽  
Renewable Energy ◽  
Power System ◽  
Wind Power ◽  
Power Flow ◽  
Large Scale ◽  
Modeling Method ◽  
Wind Power Generation ◽  
Power Grids ◽  
Power Flow Calculation

As the importance of renewable generating resources has grown around the world, South Korea is also trying to expand the proportion of renewable generating resources in the power generation sector. Among the various renewable energy sources, wind generating resources are emerging as a key alternative to conventional power generations in the electricity sector in Korea accounted for 17.7 GW of total capacity by 2030. As wind generating resources are gradually replacing traditional generating resources, the system security and reliability are negatively affected because of the variability, due to intermittent outputs. Therefore, existing power grids will need to be correctly re-measured to cover the large scale of renewable energy, including wind generation. To expand the grid, we must understand the characteristics of renewable energy and the impact of its adoption in the grid. In this paper, we analyze various characteristics of wind power generation, and then we propose a probabilistic power output modeling method to consider the uncertainty of wind power generation. For the probabilistic approach, Monte-Carlo simulation is used in the modeling method. The modeled wind power outputs can help planning for the reinforcement and expansion of power systems to expand the capacity for large-scale renewable energy in the future. To verify the proposed method, some case studies were performed using empirical data, and probabilistic power flow calculation was performed by integrating large-scale wind power generation to the Jeju Island power system. The probabilistic method proposed in this paper can efficiently plan power system expansion and play a key strategy of evaluating the security of the power system through the results of stochastic power flow calculation.

scholarly journals Analysis of Influence of Ship Roll on Ship Power System with Renewable Energy

Energies ◽  
2019 ◽  
Vol 13 (1) ◽  
pp. 1 ◽  
Author(s):  
Peng Cheng ◽  
Ning Liang ◽  
Ruiye Li ◽  
Hai Lan ◽  
Qian Cheng
Keyword(s):  
Power Generation ◽  
Renewable Energy ◽  
Power System ◽  
Wind Energy ◽  
Wind Power ◽  
Wind Power Generation ◽  
Generation System ◽  
Photovoltaic Power ◽  
Power Generation System ◽  
Ship Power System

Renewable energy ship was regarded as one of the ship energy technologies with a good prospect. In order to study the application of solar and wind energy on ships in the marine environment and the impact of ship rolling on the system, the feasibility of applying solar energy and wind energy to ships was analyzed, and the structural composition of ship power system incorporating renewable energy source was studied. The model of the ship power system integrated with renewable energy was built in PSCAD/EMTDC simulation software. The layout of wind power generation system and photovoltaic power generation system was given for the actual ship, and the ship parameters and specific parameters of each simulation module were determined. It can be seen that the rolling of ship will cause fluctuations in the grid-connected power of the photovoltaic power generation system and the wind power generation system from the comparison of the simulation curves. Finally, a simulation experiment is provided to prove the access of the battery can well suppress the grid-connected power fluctuation caused by the rolling of the ship, which has an important impact on the stability of the ship power system with renewable energy.

Stability Analysis of Grid Integrated BESS Based Hybrid Photovoltaic (PV) and Wind Power Generation

2020 ◽  
Author(s):  
Kamruzzaman Rakib ◽  
Shah Md. Salimullah ◽  
Md. Shakhawath Hossain ◽  
Muntasir Arhab Chowdhury ◽  
Johayer Safwan Ahmed
Keyword(s):  
Power Generation ◽  
Stability Analysis ◽  
Wind Power ◽  
Wind Power Generation

scholarly journals Improvement of Power Quality Considering Voltage Stability in Grid Connected System by FACTS Devices

2013 ◽  
pp. 182-187
Author(s):  
Sarika D. Patil
Keyword(s):  
Power Generation ◽  
Wind Power ◽  
Power Flow ◽  
Voltage Stability ◽  
Low Voltage ◽  
Wind Power Generation ◽  
Voltage Source ◽  
Voltage Source Converter ◽  
Induction Generators ◽  
Facts Devices

Recently the wind power generation has attracted special interest and many wind power stations are being in service in the world. In the wind turbine that mostly uses induction generators, tend to drain large amounts of Vars from the grid, potentially causing low voltage and may be voltage stability problems for the utility owner, especially in the case of large load variation on distribution feeder. Voltage-source converter based various FACTS devices have been used for flexible power flow control, secure loading and damping of power system oscillations. Some of those are used also to improve transient and dynamic stability of the wind power generation (WPGS).

Unbiased optimal power flow for power systems with wind power generation

2014 ◽  
Vol 50 (18) ◽  
pp. 1312-1314 ◽  
Author(s):  
S.J. Plathottam ◽  
P. Ranganathan ◽  
H. Salehfar
Keyword(s):  
Power Generation ◽  
Power Systems ◽  
Wind Power ◽  
Power Flow ◽  
Optimal Power Flow ◽  
Wind Power Generation ◽  
Optimal Power

The Study of Wind Turbine Based on Fuzzy Logic

2013 ◽  
Vol 385-386 ◽  
pp. 1122-1126
Author(s):  
Yue Hua Huang ◽  
Qian Cheng Li ◽  
Chen Chen ◽  
Na Peng ◽  
Zuo Dong Duan ◽  
...  
Keyword(s):  
Power Generation ◽  
Fuzzy Logic ◽  
Renewable Energy ◽  
Wind Turbine ◽  
Wind Power ◽  
Control Method ◽  
Wind Power Generation ◽  
Generation System ◽  
Pitch Control ◽  
Power Generation System

Due to the lack of fossil fuels, people are paying more and more attention to renewable energy. Wind energy is one of the important renewable energy. Unpredictability and volatility of the wind source make the output power unstable, so we need to control the active Power. This paper uses fuzzy control method, and the simulation results show that fuzzy control method mentioned in this paper is better than the conventional PI control for Wind power, the nonlinear system. Based on the analysis of pitch control theory and control process, we design fuzzy pitch controller and its model. We simulates gust wind speed imitates, wind turbine control and verifies the effects of the blur pitch control in a constant speed and constant frequency wind power generation system. According to the results of the simulation, we know the pitch controller of fuzzy logic has a better effect on the active control of the generator of the wind power generation system.

Sign in / Sign up

Export Citation Format

Share Document