發(fā)布時(shí)間：2018-04-20 21:44

  本文選題：斷路器 + 微處理器�。� 參考：《江西農(nóng)業(yè)大學(xué)》2014年碩士論文

【摘要】：剩余電流動(dòng)作斷路器是一種用來(lái)保障電網(wǎng)安全運(yùn)行，保護(hù)用電人員的安全的保護(hù)設(shè)備。主要應(yīng)用在電網(wǎng)末端，檢測(cè)供電線路的接地故障或者人身觸電或者電器設(shè)備漏電等原因引起的漏電流的增加來(lái)斷開電路，從而保障用電線路和人身及財(cái)產(chǎn)的安全。但隨著社會(huì)的高速發(fā)展，科技的不斷進(jìn)步，人們對(duì)于電力保障的質(zhì)量和穩(wěn)定性提出了更高的要求，能實(shí)現(xiàn)不間斷的供電，以及對(duì)故障進(jìn)行精準(zhǔn)的檢測(cè)，避免不必要的斷電。這就需要剩余電流動(dòng)作斷路器具有一定的智能化水平，能有效的檢測(cè)出電網(wǎng)中發(fā)生的故障，準(zhǔn)確的做出故障分析，并能根據(jù)故障的分析結(jié)果能有效的切斷電路，防止故障進(jìn)一步擴(kuò)大，待故障解除后能實(shí)現(xiàn)自動(dòng)重合閘，，這大大的提高了電力系統(tǒng)的運(yùn)行效率。因此，開發(fā)一款高分?jǐn)嗄芰Φ闹悄苁Ｓ嚯娏鲃?dòng)作斷路器是很有意義的。 本項(xiàng)目是一項(xiàng)產(chǎn)品開發(fā)類項(xiàng)目，主要涉及產(chǎn)品的功能和參數(shù)的設(shè)定，以及軟硬件設(shè)計(jì)。本項(xiàng)目在原有的產(chǎn)品基礎(chǔ)上，采用微處理器為核心，設(shè)計(jì)具有顯示，查詢，數(shù)據(jù)存儲(chǔ)，故障識(shí)別等一系列功能模塊。并將此功能模塊應(yīng)用到實(shí)際的產(chǎn)品中，完成剩余電流動(dòng)作斷路器的開發(fā)。本項(xiàng)目具體實(shí)施包括以下四個(gè)方面的內(nèi)容： 研究國(guó)內(nèi)外剩余電流斷路器的功能指標(biāo)，調(diào)查分析用戶的實(shí)際需求，確定本項(xiàng)目產(chǎn)品的應(yīng)具備的功能和技術(shù)指標(biāo)。 制定本項(xiàng)目的實(shí)施方案，并完成各個(gè)功能模塊硬件電路的搭建和調(diào)試。 軟件程序設(shè)計(jì)。完成軟件部分的開發(fā)，優(yōu)化程序結(jié)構(gòu)，實(shí)現(xiàn)程序的正常運(yùn)行。 功能調(diào)試。將分步實(shí)現(xiàn)各個(gè)功能模塊組合一起進(jìn)行調(diào)試，解決實(shí)際調(diào)試中出現(xiàn)的問(wèn)題，為實(shí)現(xiàn)產(chǎn)品批量生產(chǎn)打下基礎(chǔ)。 文章簡(jiǎn)要介紹了智能剩余剩余電流動(dòng)作斷路器的相關(guān)標(biāo)準(zhǔn)及理論知識(shí)，重點(diǎn)分析了微處理器的選取、功能硬件電路的設(shè)計(jì)、保護(hù)算法的分析和實(shí)際設(shè)計(jì)中遇到的幾個(gè)問(wèn)題的解決，同時(shí)也介紹了最終產(chǎn)品所實(shí)現(xiàn)的功能及使用說(shuō)明。通過(guò)實(shí)驗(yàn)表明本次設(shè)計(jì)基本符合預(yù)期目標(biāo)，對(duì)今后的批量生產(chǎn)具有深遠(yuǎn)的意義。
[Abstract]:Residual current circuit breaker is a kind of protective equipment used to ensure the safe operation of power grid and to protect the safety of electric personnel. It is mainly used in the end of the power network to detect the grounding fault of power supply line or the increase of leakage current caused by personal shock or leakage of electrical equipment to disconnect the circuit so as to ensure the safety of power line and personal and property. But with the rapid development of society and the continuous progress of science and technology, people put forward higher requirements for the quality and stability of power supply, which can achieve uninterrupted power supply, accurate detection of faults and avoid unnecessary power outages. This requires that the residual current circuit breaker has a certain level of intelligence, can effectively detect the fault in the power network, accurately make fault analysis, and can effectively cut off the circuit according to the results of the fault analysis. To prevent the further expansion of the fault, the automatic reclosing can be realized after the fault is removed, which greatly improves the operation efficiency of the power system. Therefore, it is meaningful to develop an intelligent residual current circuit breaker with high breaking capacity. This project is a product development project, mainly involves the product function and the parameter setting, as well as the hardware and software design. This project is based on the original product and adopts microprocessor as the core. It has a series of function modules, such as display, query, data storage, fault identification and so on. The function module is applied to the actual product to complete the development of the residual current circuit breaker. The implementation of the project includes the following four aspects: The functional indexes of residual current circuit breakers at home and abroad are studied, and the actual requirements of users are investigated and analyzed, and the functions and technical indexes of the products of this project are determined. The implementation of this project, and the completion of each functional module hardware circuit construction and debugging. Software programming. Complete the development of the software, optimize the structure of the program, and realize the normal operation of the program. Function debugging. In order to solve the problems in actual debugging and lay the foundation for batch production, the function modules can be combined to debug the system step by step. This paper briefly introduces the relevant standards and theoretical knowledge of intelligent residual current circuit breaker, and analyzes the selection of microprocessor and the design of functional hardware circuit. The analysis of the protection algorithm and the solution of several problems encountered in the practical design are also given. At the same time, the functions and usage instructions of the final product are also introduced. The experiment shows that the design basically accords with the expected goal and has far-reaching significance for the future batch production.
【學(xué)位授予單位】：江西農(nóng)業(yè)大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：TM561

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