The Calculation Method of Maximum Injection Wind Power

2016 ◽  
Author(s):  
Gao Yang ◽  
Deng Yuan ◽  
Wu Junhui ◽  
Cheng Tiehan ◽  
Wang Jun ◽  
...  
Keyword(s):  
Wind Power ◽  
Calculation Method

Research on the Peaking Gap of Power System with Large-Scale Wind Power Integration

2014 ◽  
Vol 672-674 ◽  
pp. 367-371
Author(s):  
Xi Wei Jiang ◽  
Wen Ying Liu ◽  
Jing Jing Zheng ◽  
Pei Dong Du ◽  
Jian Bo Wang
Keyword(s):  
Power System ◽  
Wind Power ◽  
Calculation Method ◽  
Large Scale ◽  
Sequential Monte Carlo ◽  
Peak Load ◽  
Simulation Method ◽  
Random Fluctuation ◽  
Continuous Curve ◽  
Wind Power Integration

An important factor affecting the integration of large-scale wind power is whether there is sufficient peaking capacity. If the peaking capacity is insufficient, we cannot make full use of wind power. Therefore it’s of great significance to study the peaking gap of the power system. This paper defined the peak-load regulating demand continuous curve and proposed the calculation method of the peaking gap based on non-sequential Monte Carlo simulation method. Taking wind power’s random fluctuation and the unit forced outage rate into consideration, the calculation method effectively reflect the peaking capacity needs of the system, which is helpful for determining the appropriate wind power integration.

Investigation of the longitudinal wind power spectra at the gorge terrain

2017 ◽  
Vol 20 (11) ◽  
pp. 1768-1783 ◽  
Author(s):  
Peng Hu ◽  
Yongle Li ◽  
GJ Xu ◽  
Yan Han ◽  
CS Cai ◽  
...  
Keyword(s):  
Wind Tunnel ◽  
Wind Power ◽  
Calculation Method ◽  
Wind Tunnel Test ◽  
Power Spectra ◽  
Low Frequency ◽  
Practical Calculation ◽  
Frequency Range ◽  
Long Span Bridges ◽  
Terrain Model

This study investigates the fundamental characteristics of the longitudinal wind power spectra at the gorge terrain. First, a simplified V-shaped gorge terrain model, representing usual deep-cutting gorge terrains where long-span bridges usually straddle, was introduced for the wind tunnel test. The longitudinal wind power spectra at the gorge center were analyzed in detail and compared with those of the simulated oncoming wind. Then, a practical calculation method was proposed to directly calculate the power spectra values at the gorge terrain based on the oncoming wind field and minimum wind parameters at the gorge center. Finally, an infield V-shaped deep-cutting gorge terrain model was also introduced for the wind tunnel test, and the obtained wind power spectra further validated the proposed calculation method. The results show that for both gorge terrain models, the power spectra values in the low-frequency range become closer to those of the oncoming wind with the measurement positions moving away from the ground, while good agreements are always found in the high-frequency range for all of the specified measurement positions. The proposed calculation method can calculate the power spectra values at these two gorge terrains with relatively high accuracy. It is hoped that this study can more conveniently provide informative guidelines for determining the wind power spectra values for similar gorge terrains in engineering practices than traditional wind tunnel tests or computational fluid dynamics numerical simulations.

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