An Investigation of Real-Time Active Noise Control for 10 kV Substation Noise Suppression

Author:

Yu Jinshan1,Zheng Zhongyuan1,Li Yamin2,Wang Haohui2,Hao Ying34,Liang Xiaoxia2ORCID,Gao Jianzheng3

Affiliation:

1. State Grid Tianjin Electric Power Research Institute, Tianjin 300392, China

2. School of Mechanical Engineering, Hebei University of Technology, Tianjin 300401, China

3. Tianjin Eco-Environmental Monitoring Center, Tianjin 300191, China

4. Key Laboratory of Micro Opto-Electro Mechanical System Technology, Tianjin University, Tianjin 300072, China

Abstract

Substation noise is a crucial factor that influences residents’ quality of life, especially in the densely residential areas. Despite small- and medium-sized transformer facilities having relatively low noise levels, due to their proximity to residential areas, they generate considerable annoyance, rendering them a focal point among environmental noise complaints. The predominant noise emitted by these facilities falls within the medium- and low-frequency spectrum range, and the conventional passive noise reduction techniques exhibit limited efficacy in attenuating such low-frequency noise. This study develops a real-time active noise control (ANC) system based on a digital signal processor, TMS320F28335, and various ANC methods, including Filtered-X Least Mean Squares (FxLMS), Normalized Filter-X Least Mean Squares (FxNLMS), and variable step-size FxLMS (VS-FxLMS), are evaluated for the low-frequency noise reduction. In addition, the substation noises at a residential community are measured, analyzed, and used as noise source together with a series of sinusoidal waves for evaluation of the ANC algorithms. Results show the ANC system are effective in attenuating most low-frequency noises (within 600 Hz) and the average noise reduction for the substation noises has achieved by more than 12 dB.

Funder

State Grid Tianjin Electric Power Company

Publisher

MDPI AG

Subject

Management, Monitoring, Policy and Law,Renewable Energy, Sustainability and the Environment,Geography, Planning and Development,Building and Construction

Reference25 articles.

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