Sound Power Assessment for BESS’ Components Using Sound Intensity Analyser

In the era of electrification, many new challenges arise, such as the noise impacts of Battery Energy Storage Systems (BESS). BESS noise levels often consist of a significant amount of low-frequency noise (500Hz or less) with tonal components. Due to these factors, the environmental assessment of BESS would be more reflective of real-world conditions when undertaken using 1/3 octave band analysis.

‍

Battery manufacturers typically measure noise in accordance with ISO 3744, the standard for determining sound pressure levels. However, ISO 3744 omits direct measurement of sound power. In addition, most manufacturers only present overall noise levels and provide no further information, such as the test environment, dates, and conditions.

‍

An alternative and more detailed standard is ISO 9614, which uses sound intensity-based methods for precise measurement of sound sources. The HBK sound intensity kit 2270 includes a sound intensity probe, which is easy to use when paired with the 2270 Hand-held Analyzer. The Type 3654 intensity kit enables intensity measurements for noise source location and sound power calculations.

‍

Automatic measurement guidance and aural feedback during measurements allow you to concentrate on making a smooth scan of the area under investigation. The system provides on-the-spot analyses of sound intensity spectra, which can be exported via Measurement Partner Suite BZ-5503 to Microsoft® Excel® for sound power calculation or to PULSE™ Mapping for Hand-held Sound Intensity 7962 -N intensity mapping software for noise contour mapping. The system is part of the Type 2270 hand-held platform with its vast range of sound and vibration analysis applications.

‍

Enquire now for more information, pricing or to receive training and/or support.

‍

Author: Svetimir Ristic – BEng (Safety Work and Environment), Graduate Diploma of Environmental Science

‍