power surge(electrical engineering) an unexpected, temporary increase in the current or voltage of an electrical circuit. The BA plane's captain shut down the engine -one of four -after it developed a " power surge " at 1,300mph over the Atlantic. SUN, NEWS OF THE WORLD 2002) The metallic helium balloon struck electricity lines in North Ipswich at 2.30pm causing a power surge and explosion. COURIER, SUNDAY MAIL 2004) Unplug electrical appliances in stormy weather to avoid the chance of a destructive power surge. SUN, NEWS OF THE WORLD 2004). Collins Alexander Demidov)
