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发明授权
CN104993699B 一种宽电压范围的双向多端口变换器 有权

一种宽电压范围的双向多端口变换器
摘要：
本发明提供的宽电压范围的非隔离型双向多端口变换器，该双向多端口变换器有N个端口，N>2，其包括2N个开关管元件Q1、Q2、…、Q2N‑1、Q2N，电感L1、L2、…、LN‑1；其中，Q2n‑1的集电极作为变换器的第n端口，Q2n‑1的发射极连接Q2n的集电极，Q2n的发射极接地，其中n=1…N；电感的Ln一端连接Q2n‑1的发射极，L1的另一端连接Q2n+1的发射极。本发明主要特点有：1.具有可扩展性，可由三端口扩展为N端口；2.电压调节范围宽；3.高效率；4.高功率密度，具有较强的实用性。
摘要（英）：

The invention provides a non-isolated type bidirectional multiport converter of wide voltage range. The bidirectional multiport converter has N ports (N>2), 2N switching tube components Q1, Q2, ..., Q2N-1, Q2N, and inductors L1, L2, ..., LN-1. A collector electrode of a Q2n-1 serves as an nth port of the converter, an emitter electrode of the Q2n-1 is connected with a collector electrode of a Q2n, and an emitter electrode of Q2n is grounded, wherein n=1...N. One end of an inductor Ln is connected with the emitter electrode of the Q2n-1, and the other end of the inductor Ln is connected with the emitter electrode of a Q2n+1. The invention is mainly characterized in that extendibility is achieved, and three ports can be extended to N ports; the voltage adjustment range is wide; the efficiency is high; and high power density and strong practicality are achieved.

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