期刊
IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS
卷 58, 期 2, 页码 2013-2028出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIA.2021.3136825
关键词
Power cables; Power harmonic filters; Mathematical models; Predictive models; Integrated circuit modeling; Harmonic analysis; Electromagnetic interference; Adjustable speed drive (ASD); cable; electromagnetic interference (EMI); harmonics; motor drive system
资金
- Australian Research Council [LP170100902]
- Australian Research Council [LP170100902] Funding Source: Australian Research Council
This article addresses the modeling of common-mode currents in motor drive systems with long feeder cables. A mathematical approach is used to extract the common-mode model of power cables and model the noise sources. Through this modeling strategy, the harmonic spectrum of resonances can be precisely analyzed.
Motor drive systems with long feeder cables are widely used in mining and energy sectors, such as offshore oil and gas drilling. In recent decades, to prevent issues with electromagnetic interference, power quality standards have been defined for the 2-150 kHz frequency range. In order to comply with these standards, manufacturers need to design filters to avoid exceeding the thresholds set by the standards. An important aspect that needs to be considered is the accurate modeling of currents circulating through common-mode loops. This article addresses this modeling by using a mathematical approach. The power cable's common-mode model is extracted from the measurement data using the finite-element method via finding the effective permittivity of the PVC materials. The common-mode noise sources, including the grid side voltage through the front-end diode rectifier and the output voltage through the rear-end inverter, are both modeled by extracting the Fourier series calculations. Consequently, noise emissions circulating through different common-mode loops are analytically modeled. Through the proposed modeling strategy, the harmonic spectrum of resonances can be precisely analyzed. The results are validated through simulation and experimental data.
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