Grid Connection Circuits for Powerful Regenerative Electric Drives of Rolling Mills: Review
نویسندگان
چکیده
AC regenerative electric drives (AC REDs) are widely used in metallurgical rolling due to their reliability, efficiency, and power sufficient maintain the process. This paper reviews latest achievements building grid connection circuits for main REDs of mills. The discusses multipulse formed by various transformer types algorithms preprogrammed pulse-width modulation with selective harmonic elimination technique (PPWM SHE) three-level active front ends (AFE), provides theoretical practical measurement results, gives recommendations improving existing systems. For 6-, 12-, 18-pulse circuits, switching patterns AFE semiconductor modules a smooth downward trend within index range from 0.7 1.15 provided. A simulation was performed under comparable conditions on models Matlab/Simulink objectively evaluate performance opportunities including specifications. waveforms spectra currents secondary winding phase shown; total distortion (THD) factors have been calculated up 60th PPWM SHE patterns. results experimental operating equipment compared. is expected provide broad overview mill’s REDs, particular, identify solutions capable significantly electromagnetic compatibility grid. obtained high genericity can be researchers engineers non-linear consumers similar as well design them.
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ژورنال
عنوان ژورنال: Energies
سال: 2022
ISSN: ['1996-1073']
DOI: https://doi.org/10.3390/en15228608