The report about the June 12 crash raises fresh questions over the position of the critical engine fuel cutoff switches.

As DC power is now being promoted due to its various advantages over AC power, it is more suitable to have a DC grid instead of converting DC to AC for consumption due to the increase of DC generating ...

Guidelines for the application of automatic reclosing facilities to circuit breakers are established. Decisions concerning the use of such facilities in specific cases are left to the user.