Estimating the environmental impacts of HVDC and UHVDC lines for large-scale wind power transmission considering height-dependent wind and atmospheric stability

Author(s):  
Yong Yi ◽  
Liming Wang ◽  
Zhengying Chen
2020 ◽  
Author(s):  
Shutang You

Due to a series of supporting policies in recent years, China wind power has developed rapidly through a large-scale and centralized mode. This paper analyzes the two major concerns faced by China’s wind power development: wind generation reliability and wind energy balancing. More specifically, wind farm tripping-off-grid incidents and wind power curtailment issues, which caused huge economical loss, are investigated in details. Based on operation experience of large wind power bases, technical recommendations and economic incentives are proposed to improve wind power integration and power grid reliability. As a summary and outlook of wind power development in China, this paper provides a reference on future wind power development for other countries.


2014 ◽  
Vol 140 ◽  
pp. 93-101 ◽  
Author(s):  
Tor Haakon Bakken ◽  
Anne Guri Aase ◽  
Dagmar Hagen ◽  
Håkon Sundt ◽  
David N. Barton ◽  
...  

2021 ◽  
Vol 4 (3) ◽  
pp. 239-250
Author(s):  
Hao Tian ◽  
Hongzheng Liu ◽  
Huan Ma ◽  
Pengfei Zhang ◽  
Xiaohui Qin ◽  
...  

2014 ◽  
Vol 1070-1072 ◽  
pp. 243-246
Author(s):  
Gan Gui Yan ◽  
Zong Bao Wang ◽  
Jun Hui Li ◽  
Hong Bo Li ◽  
Yu Long Yang

The construction of wind power transmission line lagged behind the development of wind power generation, which leaded to the issue of wind curtailed and power rationing. In the wind power concentrated transmission process, using energy storage system(ESS) can relax transmission bottlenecks, and improve capability of wind power accommodation. An optimal method of using large scale ESS for relaxing wind power centralized transmission bottlenecks was presented in this paper. The comprehensive benefit was calculated by studying the relationship between wind power improved and optimization capacity configuration of ESS. Example shows that the proposed method can achieve more benefit of transmission line and more transmitted wind power than the traditional one without ESS in the same transmission line. ESS optimal power configuration is 46MW, and optimal capacity configuration is 421MWh. The decreased amount of wind curtailed is 983.6GWh with configuration ESS, saving 472100 tons of coal-fired power plans.


2014 ◽  
Vol 1070-1072 ◽  
pp. 919-922
Author(s):  
Peng Xia ◽  
Wen Ying Liu ◽  
Fu Chao Liu ◽  
Xi Wei Fu

With the significant development of wind power, it has been inevitable for wind farm cluster to integrate into the system from the grid end, therefore, the power grid loss problem of large-scale wind power integration is highlighted. At first, we construct a power transmission system model with large-scale wind power integration, get the power grid loss calculation formula of the system, and induce the change laws of the power grid loss by the constraints of power transmission channel flow. And then, based on the structure of Gansu power grid, we do some simulations about power grid loss distribution by the constraints of power transmission channel flow, and verify the correctness of theoretical derivation.


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