scholarly journals A slack-based DEA method for the performance evaluation and improvement of ultra-high voltage projects

2018 ◽  
Vol 139 ◽  
pp. 236-241
Author(s):  
Qian Zhao ◽  
Chao Zhang ◽  
Qianzhi Dai ◽  
Honghua Liang
Keyword(s):  
Performance Evaluation ◽  
High Voltage ◽  
Dea Method ◽  
Ultra High Voltage

Ultra-high-voltage Ni-rich layered cathodes in practical Li metal batteries enabled by a sulfonamide-based electrolyte

Nature Energy ◽  
2021 ◽  
Author(s):  
Weijiang Xue ◽  
Mingjun Huang ◽  
Yutao Li ◽  
Yun Guang Zhu ◽  
Rui Gao ◽  
...  
Keyword(s):  
High Voltage ◽  
Layered Cathodes ◽  
Ultra High Voltage

UHV AC and DC Coordinated Operation Techniques Based on Continuous Simulation

2015 ◽  
Vol 713-715 ◽  
pp. 1347-1350
Author(s):  
Yu Fei Rao ◽  
Lin Lin Yu
Keyword(s):  
Theoretical Analysis ◽  
High Voltage ◽  
Power Grid ◽  
Double Pole ◽  
Continuous Simulation ◽  
Operation Techniques ◽  
Load Mode ◽  
Typical Method ◽  
Ultra High Voltage

In the process of China's ultra high-voltage (UHV) construction, Henan UHV power grid is the important part. Summer great load mode of Henan power gird is chosen as the typical method. In the background of completing Nanyang UHV extension project, based on single pole running and double pole running of Hami-Zhengzhou UHVDC project respectively, it is simulated and analyzed. The results indicate that power grid cannot maintain stability when single pole block fault or double pole block fault occurs. Through theoretical analysis and simulation, under UHV AC running certain limit, HVDC latching grid is stable. Under UHV DC running certain limit, HVDC latching grid is stable. Based on continuous simulation, this paper obtained the coordinated operation of area UHV AC and DC.

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