Analysis of Audible Noise Caused by Equipments in Domestic Converter Station and Its Control Measures

doi:10.11930/j.issn.1004-9649.2016.01.166.08

Abstract

Abstract: The audible noise produced by converter stations has influences on occupational health of working personnel. The occupational exposing noise of converter transformer, converter valve, smoothing reactor, AC filter group in domestic different voltage converter stations is measured and analyzed, for controlling the occupational exposing noise in an acceptable level. The frequency spectrum analyzsis reveals that, the noise energy of converter stations is mainly concentrated within middle/low frequency; the sound pressure is obvious in even doubling frequency of 50 Hz, and the highest peak locates at 100 Hz～1 000 Hz. When the frequency is larger than 5 kHz, the sound energy of converter transformer, smoothing reactor and the AC filter groups decreases under 50 dB, excepting the noise of the converter valve still higher in high frequency. Based on these characteristics, this paper suggests three noise control measures in sound source control, transmission control and personal protection, which has great importance for the noise protection of converter stations.

Key words: converter station, noise, frequency spectrum, analysis, control

CLC Number:

TM63

ZHANG Guoying, LIU Hui, XIE Lianke, ZANG Yuwei, MA Xingang, ZHANG Yong. Analysis of Audible Noise Caused by Equipments in Domestic Converter Station and Its Control Measures[J]. Electric Power, 2016, 49(1): 166-173.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.1004-9649.2016.01.166.08

https://www.electricpower.com.cn/EN/Y2016/V49/I1/166

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