|
|
|
| The study of characteristics of the transformer vibration noise under DC magnetic bias |
| Liu Lin1, You Fangyuan1, Yu Wangyang1, Yang Yong1, Wang Jun2 |
1. No.722 Research Institute of China Shipbuilding Industry Corporation, Wuhan 432205;
2. Army Engineering University of PLA, Nanjing 210007 |
|
|
|
|
Abstract In this paper, the operation characteristics of power transformers under DC bias are studied and analyzed. Firstly, based on the basic principle of transformer vibration and magnetic bias, the vibration mechanism and basic characteristics of transformer under DC magnetic bias are analyzed. Then, combined with the noise monitoring data of two 220kV transformers in a new substation, the DC bias mechanism of power transformer is analyzed and the spectrum characteristics are extracted. The analysis results verify the basic characteristics of transformer vibration and noise under the magnetic bias mechanism. Finally, this paper puts forward some suggestions for improvement.
|
|
Received: 04 November 2018
Published: 16 July 2019
|
|
|
|
| Cite this article: |
|
Liu Lin,You Fangyuan,Yu Wangyang等. The study of characteristics of the transformer vibration noise under DC magnetic bias[J]. Electrical Engineering, 2019, 20(7): 9-12.
|
|
|
|
| URL: |
|
http://dqjs.cesmedia.cn/EN/Y2019/V20/I7/9
|
[1] 张轶君. 变压器直流偏磁引起的振动噪声监测方法研究[D]. 北京: 华北电力大学, 2008.
[2] 蒯狄正, 刘成民, 万达. 直流偏磁对变压器影响的研究[J]. 江苏电机工程, 2004, 23(3): 1-5.
[3] 郭洁, 黄海, 唐昕, 等. 500kV电力变压器偏磁振动分析[J]. 电网技术, 2012, 36(3): 70-75.
[4] GB/T1094.101—2008. 电力变压器第10.1部分: 声级测定应用导则[S].
[5] 刘鹏, 郭倩雯, 杨铭, 等. 抗直流偏磁的变压器中性点接地方式探讨[J]. 高电压技术, 2015, 41(3): 794-799.
[6] 宛顺, 王天施. 电力变压器直流偏磁研究综述[J]. 高压电器, 2010, 46(3): 83-87.
[7] 潘超, 王泽忠, 李海龙, 等. 基于瞬态场路耦合模型的变压器直流偏磁计算[J]. 电工技术学报, 2013, 28(5): 174-181.
[8] 李贞, 李庆民, 李长云, 等. 直流偏磁条件下变压器的谐波畸变特征[J]. 电力系统保护与控制, 2010, 38(24): 52-55.
[9] 刘世民, 袁野, 范秉旭, 等. 智能变电站在线监测系统的研究与应用[J]. 电气技术, 2015, 16(2): 132-134.
[10] 周灵江, 陈希存, 赵张磊, 等. 20kV配电网中性点接地方式的切换控制[J]. 电气技术, 2015, 16(3): 103-106.
[11] 李长云, 刘亚魁. 直流偏磁条件下变压器铁心磁化特性的Jiles-Atherton修正模型[J]. 电工技术学报, 2017, 32(19): 193-201.
[12] 刘连光, 张鹏飞, 王开让, 等. 地磁暴侵害油气管道的管地电位效应[J]. 电工技术学报, 2016, 31(9): 68-74.
[13] 廖瑞金, 王季宇, 袁媛, 等. 换流变压器下新型纤维素绝缘纸特性综述[J]. 电工技术学报, 2016, 31(10): 1-15. |
|
|
|
2019, Vol. 20 
