变电工程全寿命优化与决策系统的设计与实现

发布时间：2018-06-05 04:30

本文选题：全寿命周期成本 + 变电工程设计　；参考：《湖南大学》2013年硕士论文

【摘要】：随着我国国民经济的发展，我国电力工业也得到了长足的发展，在“十二五”期间我国电网的投资金额更是高达2.2万亿元，但是由于我国电力工业现行的投资体制、运行机制和管理体制的局限性与落后性，电力建设仍存在着许多亟待解决的问题。全寿命周期成本管理是指对项目、系统或设备寿命周期内的综合社会、经济效益出发，通盘考虑项目、系统或设备的规划、设计、制造、购置、安装、运行、维护、改造、报废等全过程，使项目、系统或设备全寿命周期成本达到最小、综合效能达到最优的一种管理方法和理念。变电站作为电压变换、电力输送与电能分配的重要节点，在电力建设中占有很大的比重，如何使设计的变电站更加可靠与经济，值得电网企业、高等院校等机构深入研究。经过大量专家学者的研究应用，全寿命周期成本理论在电力系统中的多个领域(电网资产管理、变电站设计与改造、输变电设备选型等)已涌现出不少成果。但是这些成果中并没有以变电站设计寿命为基础，研究主变容量及台数和扩建年份。没有研究在变电站设计寿命内，不同寿命变电设备的建设顺序对变电工程总全寿命周期成本的影响。本文依托于和湖南省电力勘测设计院合作的“变电工程项目全寿命周期设计新技术研究”项目，在充分研究各种不同寿命周期的定义及其相互关系、全寿命周期成本的定义、全寿命周期成本的一般分析方法、变电工程全寿命周期成本分解等的基础上给出了变电工程全寿命周期成本的估算模型；提出了全寿命周期成本理论在变电工程设计中的几点应用方法，，具体包括基于全寿命周期成本理论的主变容量及台数选择、基于全寿命周期成本理论的重要变电设备选型和基于全寿命周期成本理论的变电设备寿命匹配；在介绍了系统设计的一般性原则，论述了系统采用B/S模式、Java语言和Oracle数据库的原因，详细阐述了系统的功能模块设计，重点解决了系统使用中数据采集困难和安全性要求高等难点的基础上，结合所提出的应用方法，设计和实现了变电工程全寿命优化与决策系统。通过工程实例的展示，在变电工程设计中应用全寿命周期成本理论确实能取得降低变电工程全寿命周期成本、提高可靠性等良好效果。
[Abstract]:With the development of our national economy, the electric power industry of our country has also got considerable development. During the 12th Five-Year Plan, the investment amount of our country's power grid is as high as 2.2 trillion yuan, but because of the current investment system of our country's electric power industry, With the limitation and backwardness of operation mechanism and management system, there are still many problems to be solved in electric power construction. Life-cycle cost management refers to the comprehensive social and economic benefits of the project, system or equipment, and the overall consideration of the planning, design, manufacture, purchase, installation, operation, maintenance and transformation of the project, system or equipment. It is a management method and idea that the whole life cycle cost of the project, system or equipment is minimized and the comprehensive efficiency is optimal. As an important node of voltage conversion, power transmission and distribution, substation occupies a large proportion in the electric power construction. How to make the designed substation more reliable and economical is worthy of further study by power grid enterprises, colleges and universities and so on. Through the research and application of a large number of experts and scholars, many achievements have emerged in many fields of power system such as power network asset management, substation design and transformation, transmission and transformation equipment selection and so on. However, the main transformer capacity, the number of stations and the expansion year are not studied on the basis of substation design life. There is no study on the influence of the construction order of substation transformer equipment with different life on the total life cycle cost of substation design life. In this paper, based on the project of "Research on New Technology of Life-cycle Design of Substation Project", which is cooperated with Hunan Electric Power Survey and Design Institute, the definition and relationship of different life cycle and the definition of life-cycle cost are fully studied. On the basis of the general analysis method of the whole life cycle cost and the decomposition of the whole life cycle cost of the substation project, the estimation model of the whole life cycle cost of the substation project is given. Several application methods of life-cycle cost theory in substation engineering design are put forward, including the selection of main transformer capacity and number of stations based on life-cycle cost theory. The selection of important substation equipment based on life-cycle cost theory and the life matching of substation equipment based on life-cycle cost theory are introduced. This paper discusses the reasons why the system adopts the Java language and Oracle database in B / S mode, and expounds in detail the design of the function module of the system, which focuses on solving the difficulties of data collection and high security requirements in the use of the system. Combined with the proposed application method, the whole life optimization and decision making system of substation engineering is designed and implemented. Through the demonstration of engineering examples, the application of life-cycle cost theory in substation engineering design can achieve good results such as reducing the life-cycle cost and improving the reliability of substation engineering.
【学位授予单位】：湖南大学
【学位级别】：硕士
【学位授予年份】：2013
【分类号】：TM63

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