Abstract
New electrical machines design assumes the execution of research and test-design works with a choice and selection of the effective technical solutions. The prototypes characteristics control is implemented by testing them in laboratory using the automated tools and methods. The automation provides relevant datasets for further analysis. In the paper the algorithms and methods for studying the general purpose induction motors performance characteristics have been proposed. The changes of dependence of the motor efficiency on the output power alterations, caused by using different technical solutions, have been studied. Based on experience of the electrical machines testing in a specialized laboratory, the task of evaluating the induction motors energy efficiency when operating in S1 mode (continuous duty) with overloads occurrence, has been formulated. A method for solving the problem based on the efficiency curves has been proposed. The results have been implemented in a computer program and can be used to improve the technical solutions, allowing an achievement of the target energy efficiency indicators.
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