具主動式濾波器功能之太陽能電池市電併聯供電系統

Design and Implementation of Grid-Connected Solar PV System with Active Power Filter

10.6840/cycu200900434

張佳源

不斷電系統 ； 太陽能發電系統 ； 市電併聯 ； 主動式濾波器 ； Grid-Connected ； Solar PV System ； Active Power Filter ； UPS

中原大學電機工程研究所學位論文

2009年

碩士

洪穎怡;楊宏澤

繁體中文

本文旨在建立一具主動式濾波器功能之太陽能電池市電併聯供電系統。在太陽能電池控制方面，系統採用升壓型直流/直流功率轉換器並搭配修改型增量電導法進行追蹤，以快速度追蹤最大功率點，並且越接近最佳運轉點時擾動量越小，以減少能量的損失。 另外，系統採用雙向直流/直流功率轉換器作為蓄電池儲、釋能控制，以完成系統能量平衡管理，並提高供電可靠度。最後，系統採用雙向直流/交流功率轉換器並搭配修改型定頻率磁滯電流脈寬調變控制法，以改善電流之諧波含量，並且將直流電轉變為交流電，以供給負載使用或傳送至市電。 藉由實驗與模擬驗證本文系統架構之效能，本文透過改變負載 需求的方式，當系統在正常供電情況下，其太陽能、市電及負載三者間能量能自動平衡。

The objective of this thesis is to develop a grid-connected solar photovoltaic (PV) system with active power filter. For solar cells, the system adopts the dc/dc boost power converter as well as the improved incremental conductance algorithm for to accelerate the maximum power point speed and the chattering phenomena around maximum power points are reduced and reducing power losses. In addition, the bi-directional dc/dc power converter is designed to charge or discharge batteries in order to regulate the power flow between solar cells, grid power and loads so that it can accomplish the management of energy balance control and enhance the reliability of the whole system. Finally, the system adopts the bi-directional dc/ac power converter as well as the improved fixed-frequency hysteresis current-controlled (HCC) PWM control scheme, being able to reduce the current harmonic, and the DC Change into AC supplies load or carry grid. Experimental and simulated results to verify the performance of the proposed system, this thesis changes the load demand, effectiveness of the energy automatic balancing among solar PV, grid power and load is examined.

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