Influence of Load Factors on Distribution Transformer Noise-Reference-Cited by-同舟云学术

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Influence of Load Factors on Distribution Transformer Noise

Published:2021-03-01 Issue:4 Volume:714 Page:042075
ISSN:1755-1307
Container-title:IOP Conference Series: Earth and Environmental Science
language:
Short-container-title:IOP Conf. Ser.: Earth Environ. Sci.

Author:

Wu Xiaowen,She Kai,Wang Xingyao,Cai Wei,Hao Cao,Ling Lu

Abstract

Abstract Theoretical relations between load factors and distribution transformer noise are analysed. A 10kV/400kVA three-phase oil-immersed distribution transformer is used for sound pressure level test in various load conditions including various load ratios, unbalanced loads and power factors. The sound pressure levels of distribution transformer in different load conditions are compared and analysed. The results can be referenced for the field noise and vibration control of distribution power transformers.

Publisher

IOP Publishing

Subject

General Engineering

Link

https://iopscience.iop.org/article/10.1088/1755-1315/714/4/042075/pdf

Reference10 articles.

1. The sound-field characterization of a power transformer;Ming;Applied Acoustics,1995

2. The role of load harmonics in audible noise of electrical transformers;Ertl;Journal of Sound and Vibration,2014

3. Audible noise distribution and characteristics of a 750kV substation;Pei;High Voltage Apparatus,2016

4. Measurement and analysis on characteristics of audible noise in UHV AC GIS substations;Wu;High Voltage Apparatus,2017

5. Measurement and characteristic analysis of noise of 500kV substation;Wu;East China Electric Power,2010

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