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Audible Noise Performance of Conductor Bundles Based on Cage Test Results and Comparison with Long Term Data

Author

Listed:
  • Baoquan Wan

    (State Key Laboratory of Power Grid Environmental Protection, China Electric Power Research Institute, Wuhan 430074, China)

  • Wangling He

    (School of Electrical Engineering, Wuhan University, Wuhan 430072, China)

  • Chunming Pei

    (Wuhan NARI Group Corporation, Wuhan 430074, China)

  • Xiaorui Wu

    (State Key Laboratory of Power Grid Environmental Protection, China Electric Power Research Institute, Wuhan 430074, China)

  • Yuchao Chen

    (State Grid Corporation of China, Beijing 100031, China)

  • Yemao Zhang

    (State Key Laboratory of Power Grid Environmental Protection, China Electric Power Research Institute, Wuhan 430074, China)

  • Lei Lan

    (School of Electrical Engineering, Wuhan University, Wuhan 430072, China)

Abstract

A reasonable acoustic power formula is vital to precisely evaluate the audible noise (AN) level of ultra-high-voltage (UHV) AC power lines. This study derived a formula by taking several AN measurements under heavy rain conditions, using multiple conductor bundles in a UHV corona cage, and then subjecting these measured values to least squares fitting. The validity of the proposed formula was subsequently verified with statistical data obtained from two long-term stations at Henan and Hubei Province, which are located under the Jindongnan-Nanyang-Jingmen UHV AC transmission lines operating at 1000 kV. The deviation between the prediction and the long-term (L50) value was 0.76 dB for the Henan station and 0.17 dB for the Hubei station. It shows that the acoustic power formula derived in this paper is more accurate than the widely used Bonneville Power Administration formula, in which the corresponding deviations are much larger (3.07 and 2.53 dB).

Suggested Citation

  • Baoquan Wan & Wangling He & Chunming Pei & Xiaorui Wu & Yuchao Chen & Yemao Zhang & Lei Lan, 2017. "Audible Noise Performance of Conductor Bundles Based on Cage Test Results and Comparison with Long Term Data," Energies, MDPI, vol. 10(7), pages 1-12, July.
    • Handle: RePEc:gam:jeners:v:10:y:2017:i:7:p:958-:d:104175
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    Citations

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    Cited by:

    1. Edoardo Alessio Piana & Fabio Bignucolo & Alberto Donini & Roberto Spezie, 2018. "Maintenance of a High-Voltage Overhead Transmission Line: Sustainability and Noise Impact Assessment," Sustainability, MDPI, vol. 10(2), pages 1-22, February.
    2. Shilong Huang & Yunpeng Liu & Shaoshuai Chen & Guangyang Zhou & Wenbing Zhuang, 2018. "Corona Onset Characteristics of Bundle Conductors in UHV AC Power Lines at 2200 m Altitude," Energies, MDPI, vol. 11(5), pages 1-14, April.

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