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Energy-efficient operation of induction motors and power quality standards

机译：感应电动机的节能运行和电能质量标准

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摘要

Induction motors are usually considerably oversized and consequently often work inefficiently because of various factors such as the relatively poor voltage quality that is allowed in public and industrial networks. A possible solution is the amendment of power quality rules. This paper presents a preliminary proposal to modify the power quality standards: EN 50160 Voltage characteristics of electricity supplied by public distribution network and EN-ICE 61000-2-4 Electromagnetic compatibility (EMC) - Part 2-4: Environment - Compatibility levels in industrial plants for low-frequency conducted disturbances. The proposal consists of a complete set of power quality indices with simplified temperature coefficient of power quality, the value of which corresponds to the windings temperature rise of induction machines with decreased supply voltage quality. The recommended limit values for the coefficient are determined according to an analysis of various cases of induction machine heating. Additionally, the results of the factor monitoring in actual power systems are presented. (C) 2016 Elsevier B.V. All rights reserved.
机译：由于各种因素，例如公共和工业网络中允许的相对较差的电压质量，感应电动机通常尺寸过大，因此通常工作效率低下。一种可能的解决方案是修改电能质量规则。本文提出了修改电源质量标准的初步建议：EN 50160公共配电网和EN-ICE 61000-2-4供电的电压特性-电磁兼容性（EMC）-第2-4部分：环境-工业兼容性水平低频传导干扰的工厂。该建议包括一套完整的电能质量指标，该电能质量指标具有简化的电能质量温度系数，其值对应于供电电压质量降低的感应电机的绕组温升。根据对感应电机加热的各种情况的分析确定系数的建议极限值。此外，还介绍了实际电源系统中因素监视的结果。 （C）2016 Elsevier B.V.保留所有权利。

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