A Capacitor Voltage Precharge Method for Back-to-Back Five-Level Active Neutral-Point-Clamped Converter
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DOI: 10.1109/tie.2020.3026274
Abstract: The five-level active neutral-point-clamped (5L-ANPC) converter has a great application potential in high power variable-frequency drives with high and medium voltage. However, the traditional method for capacitor voltage buildup is not applicable to the capacitors… read more here.
Keywords: voltage; precharge; capacitor; five level ... See more keywords
Capacitor Pre-Charge Method for Back-to-Back Seven-Level Hybrid Clamped Converter Without Extra Power Supply
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2022.3146539
Abstract: Multilevel converters with floating capacitors generally require precharging to build up the voltage on floating capacitors and dc-link before the normal operation. In particular, precharge is challenging for converters with overvoltage concerns under initial zero… read more here.
Keywords: precharge; level hybrid; method; hybrid clamped ... See more keywords