本文旨在研製太陽能與蓄電池混合供電系統。本系統在太陽能發電系統部分，搭配最大功率追蹤控制，由太陽能發電系統提供穩定之直流鏈電壓，利用全橋式直流-交流功率轉換器轉變為單相電源，作為達到市電併網之基礎；市電端採用市電角位置偵測，由偵測之數據及同步旋轉座標系統直-交軸電流閉迴路控制策略，完成市電併網系統控制；對於市電併網系統運作時，太陽能源不足之處，則搭配蓄電池儲能釋能之特性，達到整體系統能源平衡，完成本文混合型供電系統。
本文以高性能的數位信號處理器(DSP, TMS320F28035)作為整體系統之控制核心，其控制策略皆由軟體程式完成，不僅可以達到數位化控制，更可增加整體系統運作的穩定性及可靠度。實驗結果顯示，在太陽能供電上，完成250W單相220V經變壓器轉24V之市電併聯與對蓄電池充電40W，電流諧波失真為5.25％；在蓄電池供電系統，完成280W單相220V經變壓器轉24V之市電併網，電流諧波失真為4.37％；在整體功率轉換效率上都可達到78%，實驗結果驗正本文之理論與控制法則的可行性。

This thesis is concerned with the development of a hybrid power supply system which utilizes both photovoltaic energy and storage battery. This system adopts a maximum power tracking control approach for the photovoltaic power system which supplies stable DC voltage, and convertes it to single-phase voltage via a full-bridge DC-DC power converter, thereby completing the basic structure of the grid-connected system. The angular position of the grid can be detected and the data can be used in the quadratic-direct axis current closed-loop control strategy to realize the control of the grid-connected system. When the photovoltaic energy is insufficient to sustain the grid-connected system, the energy balance of the overall system can be achieved by utilizing battery which are capable of storing and releasing energy.

In the thesis, a signal processing device , DSP, TMS320F28035 , is used as the control core. All control strategy are accomplished with software. Not only the digitized control of the system is achieved, but also the reliability and stability of the system is enhanced. The experimental results for solar power system show that a 250W grid-connected system converts a 220V single-phase voltage to 24V and releases energy to 40W battery. The total harmonic distortion of the current is 5.25%. As for the battery storage system, a 280W grid-connected system converting a single-phase 220V voltage to 24V is also designed. The total harmonic distortion of the current is 4.37%. The overall power conversion efficiency reaches 75%. The experimental results have verified the feasibility and control strategy of the proposed system.

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