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This paper presents the detection of small-foreign-metal particles using a 400 kHz SiC-MOSFETs high-frequency inverter. A 400 kHz SiC-MOSFETs high-frequency inverter is constructed and tested, and then applied to the small-foreign-metal particles detection on high-performance chemical films (HPCFs) with induction heating (IH). Experimental results demonstrate that the developed 400 kHz SiC-MOSFETs...
A new vary mode control strategy for LLC resonant converter is proposed, via which the converter circuit works in three different modes selected based on different input voltages, so that under different working conditions, circuit works in a mode that suit the specific condition best, which is conducive to operations in wider input voltage range and to improve operation efficiency amongst the full...
This paper proposes a new power device combination that can reduce total power loss for a single-phase inverter reduced common-mode noise. In the proposed common mode voltage reduction PWM, to reduce the common-mode voltage of a single-phase inverter, the half bridge connected to the live end of the single-phase commetial power source perform PWM, and the other half bridge connected to the neutral...
Solid State Power Controller (SSPC) is gaining popularity, replacing mechanical switches and circuit breakers, in niche markets like electrical power distribution systems of the more electric aircraft. Significant amount of research is being conducted to develop high power SSPCs to cater the dynamic, distributed load management. The 28V SSPCs are widely used for protection and control of the secondary...
The charge unbalancing decreases the total storage capacity and the entire life cycle of batteries. In order to prevent the charge differences among cells, cell balancing system or charge equalization have been proposed. This paper proposes an active balancing system based on switched-capacitor charge equalization for series-connected batteries. This circuit topology allows two series-connected cells...
This paper presents a power-hardware-in-the-loop (PHiL) grid emulator (GE) which is based on switch-mode voltage source inverters (VSI) with the magnetic coupling. The grid emulator is controlled to reproduce the typical grid fault behaviors (under-voltage, interruption, frequency variation, fault-ride-through etc.) for the equipment under test (EUT). In past several different commercial grid emulators...
This paper presents a control scheme combining SoC balancing and voltage/current regulation for a distributed battery system based on fly-back converters. In discharging operation, the proposed control scheme consists of two control loops. The first control loop is designed to regulate all battery terminal voltages to be identical, thus SoC imbalance issue is solved from the root. The other control...
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