A method of power quality monitoring includes: capturing a power quality event; determining that the captured power quality event is one of a voltage sag, a swell or an interruption; in response to determining the captured power quality event is one of the...

A hydrogen fuel system for an aircraft is configured to provide hydrogen fuel to the engines for propulsion. The fuel system also may provide hydrogen fuel to a fuel cell arrangement to generate electricity for use on the aircraft. The fuel cell arrangemen...