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首页> 外文期刊>Power Electronics, IET >Current sharing in multiphase zero-voltage transition boost converter
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Current sharing in multiphase zero-voltage transition boost converter

机译：多相零电压过渡升压转换器中的均流

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摘要

The zero-voltage transition (ZVT) boost converter has been analysed and a complete model has been obtained. It has been checked it behaves as a voltage source with high impedance and, because of this property, it is a valid topology for multiphase design, where different stages will share load in a passive way, without any extra mechanism or components to achieve load sharing. The design of multiphase converters is simplified, especially for a big number of phases, as no extra information must be processed. Steady-state current sharing has been studied and how components tolerances will affect to current distribution. A simple design guide to select different components has been detailed. To test passive current sharing a two-phase 600 W prototype has been built and it has been tested in open loop. This has been done to prove that without control loop or extra components there is load sharing when ZVT converters are connected in parallel.
机译：分析了零电压转换（ZVT）升压转换器，并获得了完整的模型。经过检查，它可以充当具有高阻抗的电压源，并且由于此特性，它是多相设计的有效拓扑，其中不同阶段将以被动方式共享负载，而无需任何额外的机制或组件即可实现负载共享。多相转换器的设计得以简化，尤其是对于大量相而言，因为无需处理任何额外的信息。已经研究了稳态均流以及组件容差将如何影响电流分布。详细介绍了选择不同组件的简单设计指南。为了测试无源电流共享，已构建了两相600 W原型，并已在开环中对其进行了测试。这样做是为了证明当ZVT转换器并联时，没有控制回路或额外的组件，就可以实现负载共享。

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