【摘要】：經(jīng)濟(jì)是人類社會的物質(zhì)基礎(chǔ),是構(gòu)建人類社會并維系人類社會運(yùn)行的必要條件,其具體含義隨語言環(huán)境的不同而不同,大到一國的國民經(jīng)濟(jì),小到一家的收入支出,有時候用來表示財政狀態(tài),有時候又會用去表示生產(chǎn)狀態(tài)。其實就是研究怎樣在既定的條件下實現(xiàn)資源的最優(yōu)配置,最后達(dá)到社會的福利最大化。同樣,電網(wǎng)的發(fā)展就是需要在資源的優(yōu)化配置的基礎(chǔ)上,用盡可能少的勞動消耗生產(chǎn)出盡可能多的社會所需要的成果。 本文立足于A電網(wǎng)公司電網(wǎng)現(xiàn)狀,研究了公司變壓器經(jīng)濟(jì)運(yùn)行的研究背景、目的和重要意義,總結(jié)國內(nèi)外電網(wǎng)企業(yè)變壓器經(jīng)濟(jì)運(yùn)行的理論和實踐,闡述并分析了變壓器功率損耗的計算方法,以及變壓器經(jīng)濟(jì)運(yùn)行區(qū)間的劃分原則和不同運(yùn)行方式對變壓器經(jīng)濟(jì)運(yùn)行的影響。文中針對A電網(wǎng)實際情況,對存在的實際問題進(jìn)行分析探討,提出A電網(wǎng)變壓器經(jīng)濟(jì)運(yùn)行的研究思路,明確了變壓器經(jīng)濟(jì)運(yùn)行的評價方法和分類等級,探討接線方式、負(fù)荷和臺數(shù)等變壓器經(jīng)濟(jì)運(yùn)行的可靠性約束條件,研究變壓器配置、方式優(yōu)化和負(fù)載調(diào)整等運(yùn)行措施,并對A電網(wǎng)變壓器經(jīng)濟(jì)運(yùn)行計算表進(jìn)行充分論證和研究。通過數(shù)據(jù)對A電網(wǎng)220kV電壓等級經(jīng)濟(jì)運(yùn)行情況進(jìn)行分析研究,通過分析各電壓等級電網(wǎng)變壓器配置、負(fù)荷、運(yùn)行方式情況,探討變壓器能效評價、經(jīng)濟(jì)運(yùn)行區(qū)評價,闡明變壓器運(yùn)行方式優(yōu)化策略和結(jié)論。同時,論證了無功優(yōu)化是降低網(wǎng)損、提高電壓質(zhì)量的一項重要措施,以及對系統(tǒng)安全、經(jīng)濟(jì)運(yùn)行的重要作用。 本文以電網(wǎng)實際狀況為依托,強(qiáng)調(diào)實際工作中的針對性和有效性,期望能為A電網(wǎng)從規(guī)劃設(shè)計、設(shè)備選型、方式接線以及變壓器運(yùn)行管理角度給出意見和建議,對提高變壓器經(jīng)濟(jì)運(yùn)行水平、提高經(jīng)濟(jì)效益提供有益的參考。
[Abstract]:Economy is the material foundation of human society and the necessary condition to construct and maintain the operation of human society. Its specific meaning varies with the language environment, ranging from the national economy of a country to the income and expenditure of a country. Sometimes it is used to denote the state of finance, and sometimes it is used to denote the state of production. In fact, it is to study how to achieve the optimal allocation of resources under the established conditions, and finally to maximize social welfare. In the same way, the development of power grid needs to produce as many social results as possible with as little labor consumption as possible on the basis of optimal allocation of resources. Based on the current situation of A Power Grid Company, this paper studies the research background, purpose and significance of transformer economic operation, and summarizes the theory and practice of transformer economic operation in domestic and foreign power grid enterprises. This paper expounds and analyzes the calculation method of transformer power loss, the principle of dividing the economic operation interval of transformer and the influence of different operation modes on the economic operation of transformer. According to the actual situation of A power network, this paper analyzes and discusses the existing practical problems, puts forward the research ideas of transformer economic operation in A power network, clarifies the evaluation method and classification grade of transformer economic operation, and probes into the connection mode. The reliability constraint conditions of transformer economic operation, such as load and number of stations, are studied. The operation measures such as transformer configuration, mode optimization and load adjustment are studied, and the calculation table of transformer economic operation in A power network is fully demonstrated and studied. Based on the data, the economic operation of 220kV voltage grade in A power network is analyzed. By analyzing the configuration, load and operation mode of each voltage grade transformer, the energy efficiency evaluation of transformer and the evaluation of economic operation area are discussed. The optimization strategy and conclusion of transformer operation mode are expounded. At the same time, it is demonstrated that reactive power optimization is an important measure to reduce network loss and improve voltage quality, as well as an important role for system safety and economic operation. Based on the actual situation of the power network, this paper emphasizes the pertinence and effectiveness of the actual work, and expects to give some opinions and suggestions for A power network from the aspects of planning and design, equipment selection, mode connection and transformer operation management. It provides a useful reference for improving the economic operation level of transformer and increasing economic benefit.
【學(xué)位授予單位】：華北電力大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2013
【分類號】：F273.4;F426.61

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