Frequency spectrum analysis and control technology analysis of 
converter noise in substation

Kun Wang; Lianke Xie; Yidan Zhu; Hongbing Su; Dandan Dou; Guoying Zhang

doi:10.1117/12.2667921

27 February 2023 Frequency spectrum analysis and control technology analysis of converter noise in substation

Kun Wang, Lianke Xie, Yidan Zhu, Hongbing Su, Dandan Dou, Guoying Zhang

Proceedings Volume 12585, International Conference on Precision Instruments and Optical Engineering (PIOE 2022); 1258510 (2023) https://doi.org/10.1117/12.2667921
Event: International Conference on Precision Instruments and Optical Engineering (PIOE 2022), 2022, Guangzhou, China

Abstract

In order to analyze the noise spectrum of converter substation and control the occupational exposure noise of operators at an acceptable level, this paper makes field measurement and spectrum analysis of occupational exposure noise of converter transformers, converter valve halls, AC filters and other operators in converter substations with different voltage levels. The results show that the noise energy of converter substation is mainly concentrated in the middle and low frequencies, and the sound pressure level of the line spectrum with even frequency doubling of 50Hz is prominent, and the frequency is concentrated in the frequency range of 100 ~ 1000 Hz. Except that the energy of the valve hall is still high at the high frequency, the sound pressure level of noise in other workplaces almost drops below 50dB when the frequency is higher than 5kHz. Based on this feature, noise control measures are put forward from three aspects: sound source control, sound insulation control and personnel protection.

Citation Download Citation

Kun Wang, Lianke Xie, Yidan Zhu, Hongbing Su, Dandan Dou, and Guoying Zhang "Frequency spectrum analysis and control technology analysis of converter noise in substation", Proc. SPIE 12585, International Conference on Precision Instruments and Optical Engineering (PIOE 2022), 1258510 (27 February 2023); https://doi.org/10.1117/12.2667921

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