本文選題：超級(jí)電容 + 交直交變頻系統(tǒng)�。� 參考：《西安理工大學(xué)》2017年碩士論文

【摘要】：近年來(lái),隨著電力電子技術(shù)和交流調(diào)速控制理論的不斷發(fā)展,交直交變頻調(diào)速系統(tǒng)作為一種智能調(diào)速裝置已廣泛應(yīng)用于國(guó)民經(jīng)濟(jì)的各個(gè)領(lǐng)域。本文將超級(jí)電容儲(chǔ)能系統(tǒng)用于交直交變頻系統(tǒng)中,實(shí)現(xiàn)回收變頻系統(tǒng)制動(dòng)能量、平穩(wěn)其直流母線電壓和補(bǔ)償運(yùn)行階段功率等功能,提高變頻系統(tǒng)的可靠性和穩(wěn)定性,使其運(yùn)行更加高效節(jié)能。首先,論文以經(jīng)典RC串聯(lián)模型為基礎(chǔ),推導(dǎo)計(jì)算了不同充放電模式下超級(jí)電容器組電壓、電流和充放電效率隨時(shí)間變化的微分方程組,借助MATLAB的圖像處理功能繪制出相關(guān)的充放電特性曲線,分析對(duì)比了其各自的優(yōu)缺點(diǎn)及使用場(chǎng)合。其次,結(jié)合生產(chǎn)實(shí)際,針對(duì)交直交變頻系統(tǒng)工況。其一,設(shè)計(jì)了以穩(wěn)定直流電壓為目的的超級(jí)電容儲(chǔ)能系統(tǒng)的直流電壓控制策略:其二,設(shè)計(jì)了以避免交直交變頻系統(tǒng)供電電源超負(fù)荷運(yùn)行為目的的超級(jí)電容儲(chǔ)能系統(tǒng)的負(fù)載功率控制策略。借助PSIM仿真軟件完成了控制策略正確性和可行性的驗(yàn)證。再次,借助先進(jìn)控制技術(shù)中的預(yù)測(cè)控制理論,將動(dòng)態(tài)矩陣預(yù)測(cè)控制(DMC)和傳統(tǒng)P1控制相結(jié)合,組成DMC-PI串聯(lián)預(yù)測(cè)控制,并將其引入超級(jí)電容儲(chǔ)能系統(tǒng)的直流電壓控制策略中,提高了系統(tǒng)控制的調(diào)節(jié)速度和抗擾性能。最后,設(shè)計(jì)了超級(jí)電容儲(chǔ)能系統(tǒng)的主電路參數(shù),以TMS320F28335為核心的CPU控制電路PCB板,以及相關(guān)調(diào)理電路和保護(hù)電路PCB板,搭建了系統(tǒng)實(shí)驗(yàn)平臺(tái)。通過(guò)實(shí)驗(yàn),采用本文的控制策略,超級(jí)電容儲(chǔ)能系統(tǒng)可以根據(jù)工作需要實(shí)現(xiàn)不同工作狀態(tài)安全的切入、切出和狀態(tài)之間的轉(zhuǎn)換。超級(jí)電容儲(chǔ)能系統(tǒng)對(duì)直流電壓穩(wěn)定的控制效果得到驗(yàn)證。
[Abstract]:In recent years, with the development of power electronics technology and AC speed regulation control theory, AC-DC frequency conversion speed regulation system as an intelligent speed regulation device has been widely used in various fields of the national economy. In this paper, the super capacitor energy storage system is used in AC / DC frequency conversion system to recover the braking energy of the frequency conversion system, to stabilize the DC bus voltage and to compensate the power in the operation stage, and to improve the reliability and stability of the frequency conversion system. Make it run more efficiently and energy saving. Firstly, based on the classical RC series model, the differential equations of voltage, current and charge / discharge efficiency of supercapacitor banks under different charge-discharge modes are derived. According to the image processing function of MATLAB, the charge-discharge characteristic curves are drawn, and their advantages and disadvantages are analyzed and compared. Secondly, combined with the actual production, the AC DC frequency conversion system working conditions. First, the DC voltage control strategy of the super capacitor energy storage system is designed for the purpose of stabilizing DC voltage. The load power control strategy of super capacitor energy storage system is designed to avoid overload operation of AC DC frequency conversion power supply. The correctness and feasibility of the control strategy are verified by PSIM simulation software. Thirdly, with the help of predictive control theory in advanced control technology, dynamic matrix predictive control (DMC) and traditional P1 control are combined to form DMC-PI series predictive control, and it is introduced into DC voltage control strategy of super capacitor energy storage system. The adjusting speed and immunity performance of the system control are improved. Finally, the main circuit parameters of the super capacitor energy storage system are designed. The PCB board of CPU control circuit with TMS320F28335 as the core, and the related conditioning circuit and protection circuit PCB board are designed, and the system experimental platform is built. Through experiments and using the control strategy in this paper, the super capacitor energy storage system can realize the safe cut in, cut out and state conversion between different working states according to the need of work. The control effect of super capacitor energy storage system on DC voltage stability is verified.
【學(xué)位授予單位】：西安理工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類(lèi)號(hào)】：TM53

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