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An Improved Current-Doubler Rectifier for the Marine Controlled Source Electromagnetic Transmitter

Author

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  • Hongxi Song
  • Yiming Zhang
  • Yu Zhang

Abstract

High power marine controlled source electromagnetic transmitters have gained interest with applications in marine geological survey and mineral resources exploration. The direct current to direct current (DC-DC) converter that is typically used in marine transmitters has some issues, as the insulated-gate bipolar transistor (IGBT) tube cannot achieve zero-voltage switching (ZVS). In particular, lagging-leg switching cannot easily achieve ZVS. The conversion efficiency of the heat converter requires improvement. This paper proposes an improved current-doubler rectifier for the marine controlled source electromagnetic transmitter (ICDR-MCSET). Resonant inductance is increased and a blocking capacitor is added to the converter (DC-DC) circuit, where the converter can achieve ZVS in a wide load range. This results in the effective decrease of the heating temperature and the improvement of transformation efficiency. Saber software simulation and a 20 KW electromagnetic transmitter are used to verify the results, which show that the method is feasible and effective.

Suggested Citation

  • Hongxi Song & Yiming Zhang & Yu Zhang, 2018. "An Improved Current-Doubler Rectifier for the Marine Controlled Source Electromagnetic Transmitter," Mathematical Problems in Engineering, Hindawi, vol. 2018, pages 1-13, February.
    • Handle: RePEc:hin:jnlmpe:8957974
    DOI: 10.1155/2018/8957974
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