變電站仿真系統(tǒng)并行運算的研究
發(fā)布時間:2018-06-06 08:28
本文選題:變電站 + 仿真培訓(xùn) ; 參考:《天津大學(xué)》2014年碩士論文
【摘要】:變電站仿真培訓(xùn)系統(tǒng)作為對運行人員與設(shè)備檢修人員的培訓(xùn)工具,已經(jīng)廣泛應(yīng)用于各級供電部門的變電站培訓(xùn)及各高校的變電站運行維護類課程當(dāng)中。變電站培訓(xùn)仿真系統(tǒng)最大特點是其與真實變電站現(xiàn)場一致或高度相似的工作環(huán)境,能夠反映出變電站各種運行狀態(tài),能根據(jù)培訓(xùn)需要設(shè)置各種故障,受訓(xùn)人員可根據(jù)需要操作二次設(shè)備,,以達到事故處理和倒閘操作等項目的培訓(xùn)要求。 根據(jù)“盡量使仿真變電站與真實變電站一致,盡可能使用變電站真實設(shè)備”的原則,本文設(shè)計采用一次系統(tǒng)運用數(shù)字仿真、二次設(shè)備全部采用真實保護設(shè)備和自動裝置的數(shù)字-物理混合型變電站仿真培訓(xùn)系統(tǒng)。具體工作如下: 1.提出了一次系統(tǒng)采用數(shù)字仿真,二次系統(tǒng)采用變電站真實設(shè)備的數(shù)字物理混合型變電站仿真培訓(xùn)系統(tǒng)的總體設(shè)計方案,并分析了系統(tǒng)中各部分的工作任務(wù)及工作原理。 2.系統(tǒng)中存在非線性元件變壓器與避雷器等,本文研究了非線性元件線性化的基本原理。由于系統(tǒng)模型的數(shù)學(xué)模型為微分方程,本文討論了微分方程差分化的基本方法。 3.研究了變壓器、電力線路、電源、避雷器的數(shù)學(xué)仿真模型,并通過差分法建立各元件的差分模型及變電站一次系統(tǒng)的差分模型。論文運用貝瑞隆法的解耦性特點,將一次系統(tǒng)模型劃分為供電端模型子系統(tǒng),站內(nèi)模型子系統(tǒng)、線路模型子系統(tǒng)和負(fù)荷模型子系統(tǒng)。 4.根據(jù)系統(tǒng)模型方程組特點,運用稀疏技術(shù)和無向圖技術(shù),基于最小度法和最大獨立集法的思想,研究了一種運算量小且適合并行運算的消去節(jié)點安排法。
[Abstract]:Substation simulation training system as a training tool for operators and equipment maintenance personnel has been widely used in substation training at all levels of power supply departments and in the courses of substation operation and maintenance in colleges and universities. The biggest characteristic of substation training simulation system is that it has the same or highly similar working environment as the real substation, which can reflect all kinds of operation state of substation, and can set up all kinds of faults according to the need of training. Trainees can operate secondary equipment as needed to meet the training requirements of accident handling and switching operation. According to the principle of "keeping the simulated substation as consistent as possible with the real substation and using the real equipment of the substation as far as possible", this paper designs and uses the digital simulation system. The secondary equipment adopts the digital-physical hybrid substation simulation training system of real protection equipment and automatic device. The specific work is as follows: 1. This paper puts forward the overall design scheme of digital physical hybrid substation simulation training system which uses digital simulation in primary system and substation real equipment in secondary system, and analyzes the working task and working principle of each part of the system. 2. There are nonlinear element transformers and arresters in the system. The basic principle of linearization of nonlinear elements is studied in this paper. Since the mathematical model of the system model is a differential equation, this paper discusses the basic method of differential differentiation. 3. The mathematical simulation model of transformer, power line, power supply and arrester is studied. The differential model of each component and the differential model of substation primary system are established by differential method. Based on the decoupling characteristic of Berelon method, the primary system model is divided into power supply model subsystem, in-station model subsystem, line model subsystem and load model subsystem. 4. According to the characteristics of the system model equations, using sparse technique and undirected graph technique, based on the idea of minimum degree method and maximum independent set method, this paper studies a node elimination arrangement method, which has less computation and is suitable for parallel operation.
【學(xué)位授予單位】:天津大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2014
【分類號】:TM63;TM743
【參考文獻】
相關(guān)期刊論文 前1條
1 張東英,楊以涵;變電站仿真培訓(xùn)綜述[J];電力系統(tǒng)自動化;1999年23期
本文編號:1985899
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