自动调压装置自鞍山电网中的应用

发布时间：2018-06-09 02:31

本文选题：电压质量 + 电网调压　；参考：《辽宁科技大学》2014年硕士论文

【摘要】：在科技飞速发展的时代,微电子、自动化的技术日趋成熟,我国经济的发展大背景越来越好,在这些基础上,电力系统也蓬勃发展,变电站无人值守等企业模式的改变为电力系统的发展注入了活力。本文先从电能的特点及电力系统运行的要求来对电力系统做了简要的介绍。随后引出了我国低电压问题的现状和介绍了解决低电压问题的实际意义。对自动控制原理和自动控制原理在电网的应用也做了简明的叙述。在第二章中,首先进行了一些公式的推导和定义的叙述,然后阐述了电力系统计算的原理。详细列举了电力线路、无功、设备原因等低电压问题产生的原因,通过一个实例介绍了我国农村低电压问题的现状。还介绍了电力系统中两大类的调压手段:利用主变分接头调压,和利用无功补偿装置调压。并具体介绍了每大类调压手段中,一般使用的调压装置。在第四章中,首先了介绍了220kV东鞍山变电站中SVC装置的应用情况。先从安装位置的选择、安装容量的确定、控制方式的确定等几方面出发,分析了东鞍山变SVC安装的实施方案。再从对电网的安全稳定运行和经济效益两方面分析了SVC安装后的实际效果。在介绍完SVC后,继续介绍AVC(自动电压控制系统)在鞍山电网中的应用。鞍山供电公司在电力调度控制中心引入了自动电压控制系统(以下简称AVC),对鞍山电网所辖变电站的无功补偿设备进行集中监视、管理和控制,从而实现对全网无功电压优化集中自动控制。分别从功能、控制原理、设计实现、操作界面等方面全面的介绍了AVC装置。
[Abstract]:In the era of rapid development of science and technology, the technology of microelectronics and automation is maturing day by day, and the background of the economic development of our country is getting better and better. On the basis of these, the power system is also booming. The change of enterprise mode, such as unattended substation, has injected vitality into the development of power system. In this paper, the characteristics of electric energy and the requirements of power system operation are introduced briefly. Then the present situation of low voltage problem in China and the practical significance of solving low voltage problem are introduced. The application of automatic control principle and automatic control principle in power system is also described concisely. In the second chapter, the derivation and definition of some formulas are given, and then the principle of power system calculation is expounded. The causes of low voltage problems such as power lines, reactive power and equipment are listed in detail, and the present situation of low voltage problems in rural areas in China is introduced by an example. This paper also introduces two kinds of voltage regulation methods in power system: voltage regulation by main transformer connector and voltage regulation by reactive power compensation device. The general voltage regulating device used in each kind of voltage regulation means is introduced in detail. In the fourth chapter, the application of SVC in 220 kV Donganshan Substation is introduced. Starting from the selection of installation position, the determination of installation capacity and the determination of control mode, the implementation scheme of Donganshan variable SVC installation is analyzed. The practical effect of SVC installation is analyzed from two aspects: safe and stable operation and economic benefit. After introducing SVC, the application of AVC (automatic voltage control system) in Anshan power network is introduced. Anshan Power supply Company introduced the automatic Voltage Control system (AVCU) in the power dispatching control center to monitor, manage and control the reactive power compensation equipment in the substations under the jurisdiction of Anshan Power Grid. In order to realize the whole network reactive power and voltage optimization centralized automatic control. The AVC device is introduced from the aspects of function, control principle, design and implementation, operation interface and so on.
【学位授予单位】：辽宁科技大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：TM761.12

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