智能电站技术改造的技术经济分析及案例研究

发布时间：2018-07-05 16:24

本文选题：电网智能化改造 + 61850规约　；参考：《华北电力大学》2013年硕士论文

【摘要】：电力行业由工业化正在向信息化转变,随着全球资源环境压力的不断增大,社会对环境保护、节能减排以及可持续性发展等方面的要求日益提高；同时,由于电力市场化进程的不断推进以及用户对电能可靠性和质量要求的不断提升,又要求未来的电网必须能够具备更加安全、可靠、清洁、优质的电力供应能力,智能电网是在此背景下提出的电网技术发展方向。智能化变电站是坚强智能电网建设中实现能源转换和控制的核心平台之一,是智能电网的重要组成部分,也是实现风能、太阳能等新能源接入电网的重要支撑,因此本文将其作为研究的主要问题。智能化变电站与传统变电站相比,在初期建设投资,后期运行维护费用上存在明显的差异,本文建立相关模型,并以洛阳供电区某110千伏智能变电站为例对二者在设备全寿命周期内的技术经济指标进行全面的比较。智能化变电站在运行维护费用上相比传统电站有着相当大的优势,通过实现设备“周期检修”向“状态检修”的转变,延长了站内设备的检修周期,即有效降低了设备检修频率,从而每年可大大降低用电成本、运行维护成本及人力值守成本。从一次性投资来讲,变电站按智能电站方案设计比常规变电站投资增加较多,但随着智能化电力设备技术的日渐成熟,智能变电站投资将会有所降低。除直接的经济效益外,智能化变电站还能带来可靠性效益、社会效益和环保效益等非直接效益。
[Abstract]:The electric power industry is changing from industrialization to information technology. With the increasing pressure of global resources and environment, the demand of society for environmental protection, energy saving and emission reduction and sustainable development is increasing day by day; at the same time, Because of the continuous progress of the electric power marketization and the continuous improvement of the customers' requirements for the reliability and quality of electric energy, it is also required that the future power grid must have a more secure, reliable, clean and high-quality power supply capacity. Smart grid is the development direction of grid technology under this background. Intelligent substation is one of the core platforms to realize energy conversion and control in the construction of strong smart grid. It is also an important part of smart grid, and also an important support to realize new energy such as wind energy and solar energy. Therefore, this paper regards it as the main problem of the research. Compared with the traditional substation, the intelligent substation has obvious difference in the initial construction investment and the later operation and maintenance cost. Taking a 110kV intelligent substation in Luoyang power supply area as an example, the technical and economic indexes in the whole life cycle of the equipment are compared. Compared with the traditional power station, intelligent substation has considerable advantages in operating and maintenance costs. By realizing the transformation from "periodic maintenance" to "condition maintenance", the maintenance period of equipment in the station is prolonged. The frequency of equipment maintenance is reduced effectively, and the cost of electricity consumption, operation and maintenance, and manpower on duty are greatly reduced every year. In terms of one-time investment, the investment of intelligent substation based on intelligent power station scheme is higher than that of conventional substation, but with the development of intelligent power equipment technology, the investment of intelligent substation will be reduced. In addition to direct economic benefits, intelligent substations can bring indirect benefits such as reliability benefit, social benefit and environmental protection benefit.
【学位授予单位】：华北电力大学
【学位级别】：硕士
【学位授予年份】：2013
【分类号】：F424.6

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