Qingsheng Zhao

ORCID: 0000-0001-8710-0087
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About
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Research Areas
  • HVDC Systems and Fault Protection
  • High-Voltage Power Transmission Systems
  • Power Systems Fault Detection

Taiyuan University of Technology
2024

High-resistance ground faults are difficult to detect with existing ultrahigh voltage direct current (UHVDC) transmission fault detection systems because of their low sensitivity. To address this challenge, a straightforward mathematical method has been proposed for in UHVDC system based on the downsampling factor (DF) and approximation derivatives (AD). The signals at multiple sampling frequencies were analysed using DF, AD approach was used generate various levels detail coefficients....

10.1155/2024/2900648 article EN cc-by International Transactions on Electrical Energy Systems 2024-03-11
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