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Study on noise prediction model and control schemes for substation.

Chuanmin Chen1, Yang Gao1, Songtao Liu1

  • 1School of Environmental Science & Engineering, North China Electric Power University, Baoding 071003, China.

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Substation noise pollution negatively impacts the environment. Acoustic software simulations identified effective noise control schemes to mitigate excessive noise from electrical equipment, improving ambient conditions.

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Area of Science:

  • Environmental Engineering
  • Acoustics
  • Power Systems Engineering

Background:

  • Environmental concerns regarding power transmission and transformation projects have escalated.
  • Noise pollution from substations, including transformers and reactors, adversely affects surrounding environments.
  • Effective noise management is crucial for sustainable infrastructure development.

Purpose of the Study:

  • To investigate and control noise pollution generated by electrical equipment in power substations.
  • To utilize acoustic software for simulating and calculating substation noise levels.
  • To propose and validate effective noise reduction strategies for new substation designs.

Main Methods:

  • Development of an acoustic field model for a substation using SoundPLAN software.
  • Simulation and calculation of the substation's acoustic field to predict noise propagation.
  • Advancement and simulation-based verification of four distinct noise control schemes.

Main Results:

  • Conventional noise control measures in substations often result in excessive boundary noise levels.
  • Simulation results indicated that proposed noise reduction methods can efficiently decrease excess noise.
  • The study provides a validated approach for predicting and mitigating substation noise.

Conclusions:

  • Substation noise is a significant environmental issue requiring targeted mitigation strategies.
  • Acoustic simulation using specialized software is a viable tool for predicting and managing noise pollution.
  • The proposed noise control schemes offer practical solutions for reducing substation noise during design and construction phases.