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首页> 外文期刊>Current Science: A Fortnightly Journal of Research >Reliability assessment and system performance improvement of ORV Sagar Nidhi propulsion system
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Reliability assessment and system performance improvement of ORV Sagar Nidhi propulsion system

机译：ORV Sagar Nidhi推进系统的可靠性评估与系统性能改进

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摘要

Diesel-electric propulsion system offers many advantages to research ships, viz. economical, environment friendly, reliable, ease of operation and control, optimal manoeuvering and positioning, low vibration and noise levels. ORV Sagar Nidhi is equipped with diesel electric propulsion. The propulsion power is provided by azimuth thrusters which are driven by frequency controlled AC motors. The ship has dynamic positioning system for station keeping and better manoeuvering. During a scientific cruise, starboard azimuth thruster motor tripped due to zero resistance in winding, thereby reducing the propulsion power. Because there is no redundant motor available, vessel completed the voyage with single thruster. As a result of motor failure, propulsive power of the vessel was reduced drastically and the voyage plan had to be altered to match the ship schedule which resulted in skipping many sampling stations. In this article, the possible cause of thruster motor failure was analysed and remedial action was taken to rectify the same. This article also provides different solutions to improve the reliability of propulsion system and minimizing the downtime of vessel.
机译：柴油电动推进系统为研究船舶，QIZ提供了许多优势。经济，环保，可靠，操作简便，控制，优化的操纵和定位，振动和噪音水平低。 Orv Sagar Nidhi配备柴油电动推进。推进力由由频率控制的AC电动机驱动的方位角推进器提供。船舶具有动态定位系统，适用于站保持和更好的操纵。在科学巡航期间，由于缠绕零阻力，右舷方位传动仪电机绊倒，从而减少推进力。因为没有冗余电机可用，船只完成了单次推进器的航程。由于电机故障，船舶的推进力急剧下降，因此必须改变航程计划以匹配船舶时间表，从而跳过许多采样站。在本文中，分析了推进器电机故障的可能原因，并采取了补救措施来纠正相同的问题。本文还提供了不同的解决方案，以提高推进系统的可靠性，并最大限度地减少容器停机时间。

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