低压船舶岸电供电电源的研制

发布时间：2018-04-17 23:31

本文选题：岸电电源 + 二极管箝位型三电平逆变器　；参考：《燕山大学》2015年硕士论文

【摘要】：随着环境的日益恶化,燃油类污染逐渐得到重视。由于船舶一般采用柴油发电机组自行发电,柴油燃烧对港区空气造成严重污染。此外随着对外贸易的不断扩大,越来越多的外国商船进入我国港口作业。可是国外船舶大多采用450V/60Hz的交流电,而我国的工业用电标准为380V/50Hz。虽然传统柴油发电机组能够产生450V/60Hz的交流电,但是其缺点众多,如噪音大、污染重、效率低等。本文提到的低压船舶岸电供电电源(以下简称岸电电源,SPS)不再需要柴油发电机组发电,而是通过交直交变换(AC-DC-AC)直接将380V/50Hz交流电转换为450V/60Hz,从而为应用此类电制的船舶进行供电。本文围绕岸电电源设计过程中的关键性问题,进行了研究讨论。首先,通过分析岸电电源的电路组成以及工作原理,确定了其采用不控整流桥、二极管箝位型三电平逆变器以及LC滤波器相结合的拓扑结构。其次,针对岸电电源实现过程中遇到的关键性问题作了详细分析,主要包括:LC滤波器的设计,SVPWM的实现,中点不平衡的控制,控制环路的设计以及相应的软件设计等。最后,在理论分析的基础上,搭建了岸电电源系统的MATLAB仿真模型以及基于TMS320F2812的实验平台。通过仿真分析和实验研究表明,本文所提供的实现岸电电源的技术方案具有可行性,为以后大功率岸电电源的研制提供了一定的理论和实践基础。
[Abstract]:With the worsening of environment, fuel pollution has been paid more and more attention.Diesel fuel combustion causes serious air pollution in the port area because ships generally use diesel generators to generate electricity by themselves.In addition, with the expansion of foreign trade, more and more foreign merchant ships enter our ports.However, most ships abroad use 450V/60Hz AC power, and the industrial power consumption standard of our country is 380 V / 50 Hz.Although the traditional diesel generator can produce 450V/60Hz AC power, it has many disadvantages, such as high noise, heavy pollution, low efficiency and so on.In this paper, the low voltage ship shore power supply (SPSs) no longer needs the diesel generator set, but converts the 380V/50Hz alternating current directly to 450 V / 60 Hz by AC-DC AC conversion, so as to supply the power to the ship applying this kind of electrical system.In this paper, the key problems in the design of onshore power supply are discussed.Firstly, by analyzing the circuit composition and the working principle of the shore power supply, the topology structure of the power supply is determined, which is composed of an uncontrolled rectifier bridge, a diode clamped three-level inverter and a LC filter.Secondly, the key problems encountered in the realization of onshore power supply are analyzed in detail, including the realization of SVPWM, the control of midpoint imbalance, the design of control loop and the corresponding software design.Finally, on the basis of theoretical analysis, the MATLAB simulation model of onshore power supply system and the experimental platform based on TMS320F2812 are built.The simulation analysis and experimental study show that the technical scheme provided in this paper is feasible and provides a theoretical and practical basis for the future development of high power shore power supply.
【学位授予单位】：燕山大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：U653.95

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