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Boeing reported on Wednesday a loss for the fourth quarter that sharply narrowed from last year, reflecting a 10% revenue growth amid improved commercial volume and performance. Boeing has reported losses for the last five years. Chief executive Dave Calhoun said he did not want to comment on the near-term business outlook at this time and refused to give guidance for 2024. "We will simply focus on every next aeroplane," Calhoun said at the presentation of quarterly figures on Wednesday. For the

Soft ferrite magnetic materials are widely used for the design of high frequency magnetic links (HFMLs) for emerging power converter applications. In these power converter modules, the HFMLs are excited by the high frequency inverter outputs. These output signals are typically non-sinusoidal such as square, trapezoidal, and triangular. In this paper, a multi-winding HFML (MWHFML) is mathematically modeled and designed in ANSYS/Maxwell environment. The operating frequency is considered as 100kHz. The MWHFML has multiple inputs and single output terminal connected with load. After simulation, th...

Investegate announcements from Neometals Ltd, Robust Outcome from Barrambie Titanium Project PFS

The traditional approach to reduce fault current over-duty is to upgrade protection systems or splitting busses in the substations. This upgradation in the substation may put extra financial burden on the grid operators. It also requires extended outages of the substations, which would reduce the reliability of the power system. To solve this problem a saturated amorphous alloy core-based fault current limiter (SAACFCL) can be applied. In this paper, parameters for the SAACFCL have been designed using a tuning process and characterized using advanced electromagnetic and electrical modelling. A...

In this paper, a new saturated amorphous alloy core-based inrush current limiter (ICL) has been designed and built to limit the inrush current of a power transformer. A toroidal core with a middle limb is developed using the Metglas amorphous alloy and the middle limb is excited with a dc current to saturate the amorphous alloy core. Only a very small dc excitation current is required using such a core when compared to that using a similar design with conventional materials. Under normal conditions, the saturated amorphous alloy ICL core steady-state impedance is low and has a negligible effec...