基于自動垂直鉆井工具的非接觸式電能傳輸系統

摘要：針對以泥漿發電機為供電方式的自動垂直鉆井工具，提出了一種大功率非接觸式電能傳輸系統。利用電磁感應原理與變壓器理論，結合高頻逆變技術實現了鉆井工具中的電能從轉子到定子的非接觸式的耦合傳輸，并滿足井下近鉆頭處隨鉆儀器設備的大功率供電需求，性能穩定可靠、電能效率達到80%。 敘詞：自動垂直鉆井系統 非接觸感應電能傳輸 高頻逆變 Abstract： This article introduces a contactless induction power transmission system base on the mud generator in automatic vertical drilling tools, which uses electromagnetic induction and transformer theory, combined with high-frequency inverter circuit to achieve a contactless induction power transmission from the rotor to the stator. It meets the requirement of power supply for the near drill bit drilling equipment, stable performance and energy efficiency can reach 80%. Keyword：Automatic vertical drilling system, Contactless induction power transmission, High-frequency inverter