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Security Assessment of Coal Mine Power Grid Voltage Based on an Improved AHP-FCE

Author

Listed:
  • Wang Yanwen
  • Chen Peng
  • Feng Chen
  • Xiaoshuang Li

Abstract

The voltage level of a coal mine power grid directly affects the starting and normal operation of the electric motor, but the current grid monitoring system cannot use real-time grid structure parameters and power flow distribution data to conduct early warning research on the running status and voltage level of the power grid, so it cannot eliminate hidden danger in the operation of the power grid. Therefore, it is necessary to accurately and effectively evaluate the voltage safety level of the coal mine power grid. In this paper, an improved AHP-FCE method is proposed to evaluate the voltage safety level of a coal mine power grid. By replacing the comparison judgment matrix with the interval judgment matrix, the objectivity of the weight vector is improved while retaining expert subjectivity. According to the real-time power flow distribution data of the power grid monitoring system, the current voltage safety level of the power grid is evaluated. The results show that the improved AHP-FCE method can accurately evaluate the current grid voltage level, analyze the voltage development trend, give early warnings regarding coal mine grid voltage operation, and improve the monitoring function of the power monitoring system.

Suggested Citation

  • Wang Yanwen & Chen Peng & Feng Chen & Xiaoshuang Li, 2022. "Security Assessment of Coal Mine Power Grid Voltage Based on an Improved AHP-FCE," Mathematical Problems in Engineering, Hindawi, vol. 2022, pages 1-12, April.
    • Handle: RePEc:hin:jnlmpe:5256285
    DOI: 10.1155/2022/5256285
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