Chowgule and Company Pvt. Ltd., a prominent Indian shipbuilder, commissioned NV Dynamics to conduct detailed vibration assessments on the E-propulsion motors installed aboard the newly built cargo vessel Vertom Rita. These assessments were carried out to evaluate the dynamic performance of the propulsion system under real operating conditions. The trials involved operating the vessel at various Maximum Continuous Rating (MCR) levels—specifically at 67%, 80%, and 100%—to capture a comprehensive vibration profile.
To perform the assessment, three uniaxial vibration transducers were strategically mounted on both the Drive End (DE) and Non-Drive End (NDE) of each E-propulsion motor. These sensors were aligned in three mutually perpendicular directions (horizontal, vertical, and transverse) to ensure accurate measurement of vibrations along all critical axes. The sensor outputs were routed to a multi-channel data acquisition system which was configured to continuously record vibration acceleration data throughout the duration of the assessment.
The recorded vibration data was then processed by a vibration specialized software and then was reported to the customer.
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