Abstract
As an important part of the deep-sea power-supply system, sea cell have a very low output voltage. In this paper, a high voltage gain DC-DC converter based on coupled inductors is proposed. The converter adopts interleaved parallel structure, and uses the bridge-double-voltage cell as the output, which can achieve high voltage gain with low duty ratio. The operating principle and homeostasis property of the converter were analyzed in detail. And a prototype with 1.2V input, 12V output, and 10w rated power was built for verifying the correctness of the theroy.
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