变压器噪声是由本体结构设计、选型布局、安装、使用过程中，变压器本体及冷却系统产生的不规则、间歇、连续或随机引起的机械噪声及空气噪声总和。变压器所产生的噪声广泛影响住宅小区、商业中心、轻站、机场、厂矿、企业、医院、学校等场所。
本文简述了变压器噪声的特点及产生机理，并介绍了降低变压器噪声的主要措施。
Characteristics and generation mechanism of noise from transformer are explained in this paper. The main measures to attenuate transformer noise is described.
需要注意的是如果变压器和线路耦合元件精确的已知，识别算法在无噪声环境里精确的距离超过18千英尺。
It should be noted that if the transformer and line coupling components are known precisely, the identification algorithms are accurate beyond 18 KFT for noiseless conditions.
直流输电系统单极大地回路运行方式导致电网部分变压器振动加剧，噪声增大，影响了设备安全。
The monopolar ground circuit operation mode of DC transmission system gives rise to excessive vibration and noise of some transformers in the power grid, which impacts the safety of equipment.
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