本文研製一組兼具電池芯及模組平衡之電池管理系統。所提之系統以電池管理系統及電池模組平衡電路所構成，應用於高串數電池系統，可方便進行模組化疊層，其中電池管理系統，可有效地將模組內電池芯進行監測、平衡及保護，並採用一個雙向返馳式轉換器作為電芯平衡電路，結合光繼電器陣列以達到主動式電量平衡之效果。其次，加入電池模組平衡系統，透過一個主動箝位返馳式轉換器作為模組平衡電路，再搭配MOSFET開關矩陣，以解決模組疊層後，電池模組間之不平衡問題，使得系統電路具雙層保護之效果。此外，利用數位控制器結合Modbus界面及RS485通訊協定作為電路間之通訊功能，並透過人機介面可方便取得電池模組之資訊。最後，實際透過人機介面擷取各模組之電池資訊，並運用所提系統進行實測，以驗證此系統之效能及可行性。

This thesis proposes a battery management system with cell balancing and module balancing function. The proposed system, which consists of a battery management system and a battery module balancing circuit, is applied to a high-cell-count battery system for easy modular stacking. The implemented battery management system has functions of detecting, cell balancing, and protecting the battery module. To realize the active cell balancing function, a bidirectional flyback converter with photorelay array is employed as the balancing circuit. In addition, the proposed system overcomes the imbalance problem between the battery modules by an Active-clamp Flyback converter with the MOSFET array to ensure the battery pack with dual protection. Furthermore, the Modbus interface and RS485 communication protocol are integrated by the digital controller to achieve the communication function among the whole system. All the information of the battery pack can be also easily obtained through the user interface. Finally, the proposed system is used to verify its performances and feasibility.

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