Case Studies
Industrial acoustic monitoring in working environments.
These cases show the equipment and applications involved in selected Zhongke Haoyin projects. Results at a new site depend on its equipment, installation and operating conditions.
Project library
12 case studies
Each case describes a specific application. It should not be read as a guarantee of the same result at another site.
wind energy · utilities
National Energy Group Longyuanhe 220 kV wind substation
Operators used acoustic monitoring and sound playback to review transformer condition.
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utilities
State Grid Xinghua 1000 kV substation
Online acoustic monitoring was used on a 1000 kV main transformer.
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utilities
State Grid Xingtai 1000 kV substation
Online acoustic monitoring was used with ultra-high-voltage reactor equipment.
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hydropower
Three Gorges 700 MW hydropower units
Distributed fibre and contact sensors were used to compare normal and unusual sound patterns.
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hydropower
Chitan hydropower station
The project organized acoustic samples from transformers and reactors for condition review.
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hydropower
Luojiaohe 10 MW hydropower station
Acoustic monitoring was designed for several types of equipment at the hydropower station.
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wind energy
National Energy Group Binhai Longyuan wind farm
Local processing and monitoring software connected acoustic data from turbine and transformer locations.
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wind energy
SPIC Xinjiang Energy Chemical Mulei wind project
The project studied acoustic monitoring for possible wind-blade defects and alerts.
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power generation
Huaneng Shandong Laiwu power plant
Acoustic monitoring was used with selected rotating equipment at a thermal power plant.
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mining
Pingshuo coal-preparation conveyor DAS monitoring
Distributed acoustic sensing was used to monitor conveyor operating conditions and locate events.
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mining
Xinjiang Tianchi Energy conveyor monitoring
Distributed fibre and contact sensors were used at selected conveyor drive locations.
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utilities
Suzhou Wujiang ±10 kV DC distribution station
Online acoustic monitoring and remote review were used with electrical distribution cabinets.
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