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Calculation Method for Capacity Load Ratio of AC Grid at Multiple Voltage Levels
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Peng REN1, Weihua NIU2, Peng LI3, Yangrui ZHANG1
Journal of Power Supply | 2024, 22(6) : 170 - 178
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Journal of Power Supply | 2024, 22(6): 170-178
• Power System •
Calculation Method for Capacity Load Ratio of AC Grid at Multiple Voltage Levels
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Peng REN1, Weihua NIU2, Peng LI3, Yangrui ZHANG1
Affiliations
  • 1 Electric Power Research Institute, State Grid Hebei Electric Power Co., Ltd Shijiazhuang 050021 China
  • 2 Department of Computer North China Electric Power University Baoding 071003 China
  • 3 State Grid Hebei Electric Power Co., Ltd Shijiazhuang 050021 China
Published: 2024-11-30 doi: 10.13234/j.issn.2095-2805.2024.6.170
Outline
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Since the existing capacity load ratio calculation methods do not take into account the impact of different voltage levels on AC grid, they cannot ensure the optimization of the reliability and economy of AC grid at the same time. To solve this problem, a capacity load ratio calculation method for AC grid at multiple voltage levels is proposed on the basis of considering voltage levels. The power supply capacities of AC grid in high-and low-voltage modes are calculated, respectively. According to the power supply capacity, the discrete particle swarm optimization algorithm is used to calculate the particle number of capacity load ratio at different voltage levels, and the optimal capacity load ratio calculation results of AC grid at multiple voltage levels are obtained, so as to realize the capacity configuration optimization of AC grid at multiple voltage levels. Experimental results show that the proposed method can optimize the transformer's capacity load ratio, and the power supply reliability, economy and satisfaction score of AC grid are higher.

Multiple voltage levels  /  AC grid  /  capacity load ratio  /  discrete particle swarm optimization algorithm
Peng REN, Weihua NIU, Peng LI, Yangrui ZHANG. Calculation Method for Capacity Load Ratio of AC Grid at Multiple Voltage Levels[J]. Journal of Power Supply, 2024 , 22 (6) : 170 -178 . DOI: 10.13234/j.issn.2095-2805.2024.6.170
Funding
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  • Fundamental Research Funds for the Central Universities(9160717003)
Appendix
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Year 2024 volume 22 Issue 6
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Article Info
doi: 10.13234/j.issn.2095-2805.2024.6.170
  • Receive Date：2021-08-31
  • Online Date：2025-07-19
  • Published：2024-11-30
Article Data
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History
  • Received：2021-08-31
  • Revised：2021-11-22
  • Accepted：2021-12-16
Funding
Fundamental Research Funds for the Central Universities(9160717003)
Affiliations
    1 Electric Power Research Institute, State Grid Hebei Electric Power Co., Ltd Shijiazhuang 050021 China
    2 Department of Computer North China Electric Power University Baoding 071003 China
    3 State Grid Hebei Electric Power Co., Ltd Shijiazhuang 050021 China
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