船舶电站课程设计.doc
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1、目 录摘要1Abstract21.船舶电站系统的认识:31.1 船舶电站综合控制实验系统介绍31.2 船舶电站模拟系统教学设备简介42.船舶电站系统的操作42.1船舶电站模拟器的启动42.2船应急发电机自动启动52.3单台发电机手动启动52.4动力负载的加载52.5第二台机手动并车62.6侧推启动和停止72.7加软负载轴带发电机手/自启动82.8负载减小时的两台车的解列停机82.9岸电上船82.10利用岸电给蓄电池充电92.11侧推器停止及发电机解列停机93电站故障的排除104.船舶电气自动化的重要性105.心得体会11参考文献12摘要本次课程设计船舶电站综合控制实验系统模拟两台柴电机组的船舶
2、电站,并设有岸电接入、应急发电机组供电及阻感性负载。由两套发电机组、两套机组控制柜和一套实验屏组成。各控制屏上的显示仪表全部采用指针式仪表,并通过I2C与相应的CAN控制器相连,形成了全数字式船舶电站仿真系统。 “船舶电站模拟系统教学设备”核心技术是采用系统集成技术,现场总线网络技术,多媒体等计算机新技术。电气设备及其控制具有相应的仿真界面和动态实时控制仿真电路,能够进行故障设置并产生相应的实时故障,大大强化教学效果和实时训练功能。船舶电网正常情况下由主配电网供电,当一台电机输出不够需要并联其它电机,船舶同步发电机组的并车应满足一定的并车条件,同步发电机理想并车条件应为同步发电机与待并电网的电
3、压一致,同步发电机与待并发电网的频率一致,同步发电机与待并电网的相位一致,只有在这种情况下,待并机组与电网间不会产生冲击电流,这是理想并车。当主电网失电后经过一段时间,联络快关断开,应急发电机启动供电,应急照明分为大应急照明和小应急照明,大应急照明由应急发电机供电,小应急发电机由蓄电池供电,当船舶靠岸或者进入船坞修船时,需要用到陆地上的电源,即接用岸电,接通岸电时,一般将船上所有电机全部停机,待相序一致时,合上岸电开关,船上电网由岸电供电。关键词:主发电机 手动并车与解裂 应急发电机 岸电上船 蓄电池AbstractThe curriculum design of ship power sta
4、tion integrated control experimental system simulation two diesel-electric set in ship power station, and a shore power connection, emergency generator power and resistance of inductive load. By two sets of generating units, two sets of unit control cabinet and a set of experimental screen. The cont
5、rol panel display instrument using pointer type instrument, and through the I2C and the CAN controller, the formation of a full digital simulation system of ship power station. Marine power station simulation system of teaching equipment core technology is the use of system integration technology, f
6、ield bus network technology, multimedia computer technology. Electrical equipment and its control with the corresponding simulation interface and dynamic real-time control simulation circuit, capable of fault setting and generate a corresponding fault, greatly strengthening the teaching effect and r
7、eal-time training function.Ship power system normally consists of a main distribution network power supply, when a motor output is not need to be connected in parallel to other motors, ship synchronous generators and car should satisfy certain conditions and car, car condition and synchronous genera
8、tor ideal for synchronous generator and the standby voltage, synchronous generator and the concurrent power grid frequency synchronous generator and the power grid, and the same phase, only in this case, stay and unit and power grid will not generate impact current, it is ideal and car.When the main
9、 power loss of power over a period of time, contact close the disconnect, emergency generator power supply, emergency lighting is divided into big emergency lighting and emergency lighting, large emergency lighting powered by the emergency generator emergency generator powered by a storage battery,
10、a small, when the ship docked or into the dock ship repair, requiring the use of land supply, which connect with shore power, connect the shore power, the general will ship all motor shutdown sequence is consistent for all, and ashore, electric switch, boat from shore power grid.Key words: main gene
11、rator sets Automatic parallel and Cracking emergency generator battery units1.船舶电站系统的认识:1.1 船舶电站综合控制实验系统介绍模拟两台柴电机组的船舶电站,并设有岸电接入、应急发电机组供电及阻感性负载。由两套发电机组、两套机组控制柜和一套实验屏组成。机组配置:电源:3.7KW变频器, 原动机:2.2KW三相变频异步电动机 发电机:、负载配置:电阻负载1:600/0.38A/264.5W 电阻负载2:200/1.9A/1322.5W可调电阻负载:167367/1.38A0.63A/950W432W电抗负载:150
12、/1.5A/1058VR可调电抗负载:70400/3.3A0.6A/2267VR396.8VR保护设置:过电流保护(三段)、逆功率保护(三段)、欠压保护(2段)、超速保护(2段)、变频器故障、以及模拟柴油机故障保护。控制方式:电压无功:晶闸管自并励(带自动稳压与无功调差功能)频率有功:设固定频率、下降曲线、功率均分、固定功率四种控制方式。由可编程控制器内部PI运算实现。1.2 船舶电站模拟系统教学设备简介核心技术是采用系统集成技术,现场总线网络技术,多媒体等计算机新技术。电气设备及其控制具有相应的仿真界面和动态实时控制仿真电路,能够进行故障设置并产生相应的实时故障,大大强化教学效果和实时训练功
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