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中文摘要：
介绍了电力推进系统负载试验的要求、螺旋桨负载特性和试验特性的选择，分析比较了几种不同的推进负载试验技术的利弊，提出了双馈电机模拟推进负载的方案，分析了该方案工作原理、功率流动关系、工作模式和系统的基本构成并进行了仿真分析．该方案具有动态负载性能控制好，变流器容量小，节约能量等特点，对舰船电力推进系统的负载试验和其他机械负载试验具有参考指导意义．
英文摘要：
Electrical propulsion techniques for ships are a focus of research in many countries, and experimental studies are an important part of electrical propulsion research. This paper presents the experimental requirements of an electrical propulsion system and the propeller＇s load characteristics. The advantages and disadvantages of each kind of experimental load were considered. After analyzing the working principles of a double fed machine （DFM） , a program for simulating propulsion loads with DFMs was presented. Some foundational problems, such as their working mode, power flow, working principles, and basic structure of the systems were analyzed and simulated. This will provide a reference for future electric propulsion experiments and other mechanical loading experiments.
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