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The Design of PLC-based Automation Monitoring System of Ship Power Station

Author: YeJiYing
Tutor: ChenGuoDing
School: Zhejiang University of Technology
Course: Control Engineering
Keywords: ship power station monitoring system PLC MCGS
CLC: U665
Type: Master's thesis
Year: 2011
Downloads: 234
Quote: 3
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Abstract


information technology and automation monitoring technology, monitoring system is used widely. As ships are getting more and more large-scaled and antomated, the requirement of automatic technology of ship power station is also increasingly. Power station is one of the key parts in a ship. The monitoring system of ship power station plays an important role.The monitoring system of ship power station based on PLC is designed in this paper.The monitoring system is composed of one master station (upper computer) and three sub-stations. Each sub-station, which is cored by a Mitsubishi FX2N PLC structure, controls a generator independently which is consist of a diesel engine and a generator. The main station and sub-stations are connected by RS485 communication. An automatic monitoring system of ship power station is introduced in this paper, which can realize real data collection and related equipment control. By using the method of modular construction, flow charts of every model in PLC control system is designed in this paper. The program is designed by using the PLC programming software including the modules of generator’s self-starting, quasi-synchronous auto-parallel operation and automatic splitting. The automatic control system of power station is realized with this method. By using the configuration software MCGS, the monitoring software of PC is designed in this paper, which has the characteristics of friendly interface and convenient operation.In addition, for the anti-jamming, mechanical vibration, temperature and humidity interference influence of the ship power station, hardware and software are combined to overcome effectively the effects of various kinds of interference on the electrical equipments, and improve the stability and reliability of the power supply in ship power station. Automatic monitoring system of ship power station designed in this paper, is applied to middle or small-sized ships. Testing result shows that the system designed meet the monitor requirements for ship power station.

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CLC: > Transportation > Waterway transport > Marine Engineering > Electrical installations in ships,observation, communication equipment
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