本文選題：電動汽車　切入點：充電站　出處：《西南交通大學(xué)》2017年碩士論文　論文類型：學(xué)位論文

【摘要】：充電站是電動汽車集中充電的場所,電動汽車充電站監(jiān)控系統(tǒng)對于保障充電過程中汽車及設(shè)備安全,提高充電站效率及管理自動化水平發(fā)揮著不可替代的作用,對充電站監(jiān)控系統(tǒng)的研究具有重要的理論與實際意義。首先,研究了電動汽車充電對電網(wǎng)產(chǎn)生的諧波影響。城市電動汽車充電站監(jiān)控系統(tǒng)需要考慮電動汽車充電所產(chǎn)生的諧波問題,本文在Simulink平臺下建立了仿真分析模型,研究電動汽車充電對電網(wǎng)的諧波影響。研究了不同功率下充電樁380V輸入側(cè)引起的電壓諧波畸變,得到了電壓總諧波畸變曲線,進而考慮電動汽車的普及程度,研究了不同滲透率下充電站10kV接入點的電壓諧波畸變,得到了電壓總諧波畸變曲線,并進行了對比分析。其次,設(shè)計了電動汽車充電站監(jiān)控系統(tǒng)總體方案。分析了充電站監(jiān)控系統(tǒng)的總體結(jié)構(gòu),并對監(jiān)控系統(tǒng)進行了功能需求分析,設(shè)計了監(jiān)控系統(tǒng)的通信網(wǎng)絡(luò),并研究了充電站監(jiān)控系統(tǒng)的數(shù)據(jù)流向及各階段所進行的數(shù)據(jù)操作。在上述電動汽車充電對電網(wǎng)諧波影響的研究基礎(chǔ)上,研究了一種包含三種充電方式的監(jiān)控系統(tǒng)方案,將包括諧波在內(nèi)的電能質(zhì)量監(jiān)控納入設(shè)計方案中,彌補目前充電站監(jiān)控系統(tǒng)功能中存在的不足,依據(jù)監(jiān)控功能差異進行了子系統(tǒng)劃分。最后,研究各個子系統(tǒng)的功能設(shè)計與軟件實現(xiàn)。基于LabVIEW平臺進行軟件設(shè)計,分析用戶管理系統(tǒng)的功能,采用access數(shù)據(jù)庫管理用戶信息,完成軟件設(shè)計及實現(xiàn);研究了充電過程中的信息交互過程、常見異常及故障類型,完成了充電監(jiān)控系統(tǒng)設(shè)計;分析了換電流程,將動力電池全壽命周期管理納入系統(tǒng)設(shè)計,梯次電池利用,完成了換電監(jiān)控系統(tǒng)軟件設(shè)計;研究了電能質(zhì)量監(jiān)控系統(tǒng)的功能,并研究針對幾種常見指標(biāo)的調(diào)節(jié)和控制策略,完成電能質(zhì)量監(jiān)控系統(tǒng)的總體設(shè)計、電能質(zhì)量常見指標(biāo)的軟件程序?qū)崿F(xiàn)并進行模擬功能測試;研究了配電監(jiān)控功能需求、異常和故障類型,完成了配電監(jiān)控系統(tǒng)軟件設(shè)計;研究了安防監(jiān)控系統(tǒng)的功能需求,并完成了軟件系統(tǒng)的設(shè)計。
[Abstract]:Charging station is the place where electric vehicles charge centrally. The monitoring system of electric vehicle charging station plays an irreplaceable role in ensuring the safety of vehicle and equipment, improving the efficiency of charging station and the level of management automation. The research of charging station monitoring system has important theoretical and practical significance. First, The harmonic effect of electric vehicle charging on power grid is studied. The harmonic problem caused by electric vehicle charging need to be considered in the monitoring system of urban electric vehicle charging station. A simulation analysis model is established based on Simulink platform. The harmonic distortion of voltage caused by charging pile 380V input side under different power is studied, the total harmonic distortion curve of voltage is obtained, and the popularity of electric vehicle is considered. The voltage harmonic distortion of 10 kV access point in charging station with different permeability is studied, the total harmonic distortion curve of voltage is obtained, and the comparison and analysis are carried out. The overall scheme of monitoring system for charging station of electric vehicle is designed. The overall structure of monitoring system of charging station is analyzed, and the function requirement of monitoring system is analyzed, and the communication network of monitoring system is designed. The data flow direction of charging station monitoring system and the data operation in each stage are studied. On the basis of the above research on the influence of electric vehicle charging on power grid harmonics, a monitoring system scheme including three charging modes is studied. The power quality monitoring, including harmonics, is brought into the design scheme to make up for the deficiency in the function of the current charging station monitoring system, and the subsystem is divided according to the difference of the monitoring function. Finally, The function design and software realization of each subsystem are studied. The software is designed based on LabVIEW platform, the function of user management system is analyzed, the user information is managed by access database, and the software is designed and implemented. The information exchange process, common anomalies and fault types during charging are studied, and the design of charging monitoring system is completed, and the power exchange flow is analyzed, the whole life cycle management of power battery is incorporated into the system design, and the ladder battery is utilized. The software design of the power exchange monitoring system is completed, the function of the power quality monitoring system is studied, and the adjustment and control strategies for several common indexes are studied to complete the overall design of the power quality monitoring system. The software program of the common power quality index is realized and simulated function test is carried out, the functional requirements, abnormal and fault types of distribution monitoring are studied, the software design of distribution monitoring system is completed, and the functional requirements of security monitoring system are studied. The software system is designed.
【學(xué)位授予單位】：西南交通大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：U491.8;TP277

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