面向脐带缆供电的深海海底钻机混合动力系统与控制

Mothership umbilical cable power is a main supply mode for seabed high-power continuous operation equipment. With the development of deep sea scientific investigations and resource surveys, seabed rigs are facing with challenges such as the incompatibility between load power demand and power source, especially when the drilling depth is increasing. Therefore, this project proposes a parallel electrical seabed rig hybrid power system for mother ship umbilical cable power supply. The main research content includes: (1) the characteristics of the seabed rig load and the mother ship umbilical cable transmission power are analyzed to construct a power coupling characteristics mathematical model between rig load and mothership umbilical cable power; (2) the power matching characteristics of the seabed rig hybrid power system are studied to propose a design theory for the deep seabed rig hybrid power system; (3) power matching characteristics of seabed rig hybrid power system are studied to propose a strategy and method for optimal control of seabed rig hybrid power systems in deep-sea environments. This project aims to develop the theory of design and control of deep-sea equipment hybrid power systems for mothership umbilical cable power supply, and further to provide theoretical and technical support for the development of deep-sea operations technology and equipment. It is also important for accelerating the development of deep-sea scientific investigation and geological survey undertakings and building a strong maritime nation.

母船脐带缆供电是目前海底大功率持续作业装备的主要供电方式。随着深海科学考察、资源调查事业发展需要，大海深、大钻深海底钻机面临着负载特性与母船脐带缆供电功率特性难以匹配、瞬时驱动能力不足等挑战。为此，本项目提出一种面向母船脐带缆供电的并联电气式海底钻机混合动力系统技术，主要研究内容包括：（1）深入分析海底钻机负载特性与母船脐带缆供电系统特性，建立海底钻机负载-母船脐带缆功率耦合特性数学模型；（2）建立考虑深海特殊环境影响的混合动力系统模型，提出深海海底钻机混合动力系统设计方法；（3）深入研究海底钻机混合动力系统功率匹配特性，提出深海作业环境海底钻机混合动力系统瞬时功率优化控制策略与方法，发展面向母船脐带缆供电的混合动力系统设计与控制理论，为深海海底作业技术与装备发展提供理论与技术支撑，这对加快深海科学考察与地质调查事业发展、建设海洋强国具有重要意义。

母船脐带缆供电是目前海底大功率持续作业装备的主要供电方式。随着深海科学考察、资源调查事业发展需要，大海深、大钻深海底钻机面临着负载特性与母船脐带缆供电功率特性难以匹配、瞬时驱动能力不足等挑战。为此，本项目提出一种面向母船脐带缆供电的并联电气式海底钻机混合动力系统技术，主要研究内容包括：（1）深入分析海底钻机负载特性与母船脐带缆供电系统特性，建立海底钻机负载-母船脐带缆功率耦合特性数学模型；（2）建立考虑深海特殊环境影响的混合动力系统模型，提出深海海底钻机混合动力系统设计方法；（3）深入研究海底钻机混合动力系统功率匹配特性，提出深海作业环境海底钻机混合动力系统瞬时功率优化控制策略与方法，发展面向母船脐带缆供电的混合动力系统设计与控制理论，为深海海底作业技术与装备发展提供理论与技术支撑，这对加快深海科学考察与地质调查事业发展、建设海洋强国具有重要意义。

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