Virtual Electric Machines Laboratory, Requirements and Practical Realization

P. V. Duijsen, D. Zuidervliet
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Abstract

A fully equipped electrical machine laboratory can become a costly factor. However the look and feel of electrical machines behavior in operation, is indispensable and very informative for students. Not only do they learn how to connect and operate the machines, but also the limitations of each type of machine, becomes visible. Not only equipment is costly, also laboratory room space, service and safety can become an issue. To reduce those laboratory costs, often simulation is used as an alternative. However, the look and feel of the real machines, is in many cases lost. In this paper a virtual electric machines laboratory is proposed, where students can be trained, using digital twins of the electric machines from the laboratory. The look and feel of the digital twins, the way the machines are connected electrically and mechanically, should represent their physical counterparts in such detail, as required in a real physical training set-up. Nameplate parameters ease the selection of machines size and power level. Adding measurement devices, such as voltage and current meters, as well as measuring torque and rotational speed, should resemble the real measurement setup as close as possible. The size and power level of the electrical machine, is given by its nameplate. In the virtual electrical machine model, those parameters are entered, instead of the electrical parameters mostly encountered in simulation programs.
虚拟电机实验室,要求与实际实现
一个设备齐全的电机实验室可能会成为一个昂贵的因素。然而,电机运行时的外观和感觉,对学生来说是必不可少的,也是非常有用的。他们不仅要学习如何连接和操作机器,而且每种机器的局限性也变得清晰可见。不仅设备昂贵,实验室空间、服务和安全也可能成为问题。为了减少这些实验室成本,通常使用模拟作为替代方法。然而,真正的机器的外观和感觉,在很多情况下是丢失的。本文提出了一个虚拟电机实验室,在那里学生可以使用实验室的电机数字双胞胎进行训练。数字双胞胎的外观和感觉,即机器在电气和机械上的连接方式,应该像在真实的物理训练设置中所要求的那样,如此详细地代表它们的物理对应物。铭牌参数便于选择机器尺寸和功率水平。增加测量设备,如电压和电流表,以及测量扭矩和转速,应尽可能接近真实的测量设置。电机的尺寸和功率等级由其铭牌给出。在虚拟电机模型中输入这些参数,而不是在仿真程序中经常遇到的电气参数。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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