Switching converter may translate one kind of DC electric power into another or more one, and is the main part of DC switching power supply.

开关变换器能够将一种直流电能转换成另一种或多种直流电能，是直流开关电源的主要组成部分。

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DC-DC switching converter is a time-variant and non-linear dynamic system, and it is difficult to analyze and design.

DC开关变换电路是一个时变的、非线性的动态系统，它的分析与设计一直是一个难题。

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There are two soft-switch schemes of phase-shift full-bridge DC/DC converter: zero-voltage switching (ZVS) and zero-voltage zero-current switching (ZVZCS).

移相全桥直流变换器的软开关技术分为零电压开关（ZVS）和零电压零电流开关（ZVZCS）两大类。

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