Engineering publications brought to you by Mark Allen

Power

Optimising design of dc fans and inverters

Converters with built in emc filtering

Ultra miniature pcb switch mode power supplies

Converters offer wide input range

Wide input converters have improved output voltages

Power for change

HP recalls 15,000 batteries

Power to the people

IGBT modules boast 33% more power

Air fuelled battery to provide ‘step change’ in capacity

Regulated power?

Standard limitations