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Monitoring Method for Power Quality Stability of Power Supply System
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Boyan JIA1, Jingran JIA1, Jinling LU2, Wenxuan WANG3, Hao JING1
Journal of Power Supply | 2024, 22(2) : 345 - 351
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Journal of Power Supply | 2024, 22(2): 345-351
• Power Quality •
Monitoring Method for Power Quality Stability of Power Supply System
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Boyan JIA1, Jingran JIA1, Jinling LU2, Wenxuan WANG3, Hao JING1
Affiliations
  • 1 Research Institute State Grid Hebei Electric Power Shijiazhuang 050000 China
  • 2 School of Electrical and Electronic Engineering North China Electric Power University Baoding 071003 China
  • 3 State Grid Cangzhou Electric Power Supply Company Cangzhou 061000 China
Published: 2024-03-30 doi: 10.13234/j.issn.2095-2805.2024.2.345
Outline
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Monitoring the power quality of power supply system is an effective method for ensuring the safe operation of power system and user-side equipment. To ensure the power quality of power supply system, a monitoring method for its power quality stability is studied. Based on the Hilbert-Huang transform (HHT) algorithm, the harmonic frequency and amplitude of the power quality signal frame of power supply system are monitored, and the disturbance time amplitude and frequency of the power quality disturbance signal are detected, so as to realize the power quality stability of monitoring system. The frame loss rate, accuracy and transmission delay of the monitored power quality signals under different pressures (with different numbers of power quality signal frames) were tested by experiments, and results show that the proposed method can realize the monitoring of power quality.

Power supply system  /  power quality  /  stability monitoring  /  harmonic wave  /  number of signal frames
Boyan JIA, Jingran JIA, Jinling LU, Wenxuan WANG, Hao JING. Monitoring Method for Power Quality Stability of Power Supply System[J]. Journal of Power Supply, 2024 , 22 (2) : 345 -351 . DOI: 10.13234/j.issn.2095-2805.2024.2.345
Funding
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  • Science and Technology Project of State Grid Co., Ltd.(kj2020-051)
Appendix
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Year 2024 volume 22 Issue 2
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272
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Article Info
doi: 10.13234/j.issn.2095-2805.2024.2.345
  • Receive Date：2021-08-03
  • Online Date：2025-07-21
  • Published：2024-03-30
Article Data
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History
  • Received：2021-08-03
  • Revised：2021-10-29
  • Accepted：2021-11-08
Funding
Science and Technology Project of State Grid Co., Ltd.(kj2020-051)
Affiliations
    1 Research Institute State Grid Hebei Electric Power Shijiazhuang 050000 China
    2 School of Electrical and Electronic Engineering North China Electric Power University Baoding 071003 China
    3 State Grid Cangzhou Electric Power Supply Company Cangzhou 061000 China
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