三相雙向中性點箝位式轉換器研製

Design and Implementation of Three-Phase Bi-directional Neutral-Point Clamped Converter

劉俊輝(Jun-Hui Liu)

指導教授 ： 余國瑞 ； 吳財福

國立中正大學/工學院/電機工程學系/碩士(2013年)

摘要

本研究研製一部三相雙向中性點箝位式轉換器研製，包含市電併聯及整流功能，其系統電路分為電力級與控制級兩部份。電力級電路採用中性點箝位式架構，控制級使用微控制器RX-62T來實現本研究的前饋式控制法。在市電併聯模式中，將直流電轉換成交流電饋入市電電網；在整流模式中，將市電轉換成直流電供給直流負載。本論文說明元件之選擇，包括系統並聯使用的功率開關與蕭特基二極體，以及電感鐵心規格與材質之選擇。最後以 Matlab 模擬並實作一部三相雙向中性點箝位式轉換器來驗證所提方法的可行性。

關鍵字：中性點箝位式轉換器、大功率系統。

關鍵字

中性點箝位 ； 三相雙向

並列摘要

This thesis presents three-phase bi-directional neutral-point clamped converter, include grid-connection mode and retification mode. The converter is divided into two parts of which,one is power stagewith neutral-point clamped configuration,theother is control stage with micro-controller RX-62T to realize thefeedforward current control law. In grid-connection mode,power is transformed into AC, and injected into current to the utility grid. In rectification mode, the grid current is transformed into DC to supply rectified load. Simulated and experimental results measured from a three-phase bi-direction neutral-point clamped converterhave been presented to confirm its feasibility.

Keyword: neutral-point clamped converter, high power system

並列關鍵字

Three-Phase Bi-directional ； Neutral-Point Clamped

參考文獻

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