阻抗接地对变频电机驱动的影响

IF 4.2 2区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Industry Applications Pub Date : 2025-01-20 DOI:10.1109/TIA.2025.3531835

S. A. Saleh;A. Jee;J. Meng;E. Ozkop;S. Panetta;D. Mohla;B. Nahid-Mobarakeh

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引用次数: 0

摘要

变频电机驱动器（VFD）的接地系统通常旨在提高操作的连续性，限制接地故障电流，限制接地故障期间的瞬态过电压，提高安全性，并降低或消除共模电压（cmv）。大多数变频器利用电力变压器在变频器和电源之间提供隔离，并作为前置ac-dc电力电子转换器（PEC）的供电点。变频器的接地系统设计一直是几个标准、工业规范和推荐实践的主题。本文分析了阻抗接地系统在变频器中应用时的性能（稳态和故障情况下）。分析的接地系统分为低阻接地和高阻接地。所分析的接地系统的性能基于接地电流、接地电位和cmv进行评估。还进行了几项实验测试，以得出结论，并就工业变频器的适当阻抗接地提出建议。

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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Impacts of Impedance Grounding on Variable-Frequency Electric Motor Drives

The grounding system for a variable-frequency electric motor drive (VFD) is typically designed to enhance the continuity of operation, limit ground fault currents, limit transient over-voltages during ground faults, improve safety, and reduce or eliminate common-mode voltages (CMVs). The majority of VFDs utilize power transformers to provide isolation between the VFD and its supply, and operate as the point-of-supply to the front-ac-dc power electronic converter (PEC). Grounding system designs for VFDs have been a subject of several standards, industrial codes, and recommended practices. This paper analyzes the performance of impedance grounding systems (during steady-state and fault conditions), when utilized in VFDs. Analyzed grounding systems are the low-resistance, and high-resistance grounding systems. The performance of analyzed grounding systems is evaluated based ground currents, ground potential, and CMVs. Several experimental tests are also conducted to draw conclusions and suggest recommendations for an adequate impedance grounding for industrial VFDs.

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来源期刊

IEEE Transactions on Industry Applications 工程技术-工程：电子与电气

CiteScore

9.90

自引率

9.10%

发文量

747

审稿时长

3.3 months

期刊介绍： The scope of the IEEE Transactions on Industry Applications includes all scope items of the IEEE Industry Applications Society, that is, the advancement of the theory and practice of electrical and electronic engineering in the development, design, manufacture, and application of electrical systems, apparatus, devices, and controls to the processes and equipment of industry and commerce; the promotion of safe, reliable, and economic installations; industry leadership in energy conservation and environmental, health, and safety issues; the creation of voluntary engineering standards and recommended practices; and the professional development of its membership.