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Wednesday, August 5, 2020 

Bakker Sliedrecht has been contracted to supply its condition monitoring system for measuring vibration of bearings in submersible motors to trailing suction hopper dredger 'Jun Yang 1', currently the largest trailing suction hopper dredger in China.

The vessel is operated by CCCC Guangzhou Dredging Company. The system is engineered in Sliedrecht, the Netherlands and will be installed on site by sister company Bakker Zhangzhou.

The vessel can operate at great depths under severe conditions using submersible pumps on the suction tube. The pumps are equipped with oil-filled low-speed submersible motors, supplied by Bakker Sliedrecht. The system integrator has developed the system to measure the vibrations of the bearings in the motors. Bakker will install new sensors to measure the bearings and collect and store data. That data is analysed making potential problems and deviations in behaviour or condition immediately visible.

By expanding the system with more sensors, the system can collect and analyse engine temperature, the pressure or engine power. The drive supplied by Bakker Sliedrecht and the frequency inverter of the submersible motors can also be monitored. The monitoring system can be either added to existing submersible motors or supplied as standard with new motors.

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