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Definition of "Surge" |
A transient (or momentary) wave of current, potential, or power in an electric circuit. The word "surge" has different meanings to different engineering communities. To the protection engineer a "surge" is a transient overvoltage with a duration of a few microseconds, i.e., a spike. To others a "surge" is a momentary overvoltage lasting up to a few seconds, a swell. / The sudden change in voltage or current in a circuit. Surge current is a sudden change in line current to a user equipment that occurs during start-up or as a result of a change to the operating mode. / A transient (or momentary) wave of current, potential, or power in an electric circuit. The word "surge" has different meanings to different engineering communities. To the protection engineer a "surge" is a transient over voltage with a duration of a few microseconds, i.e., a spike. To others a "surge" is a momentary over voltage lasting up to a few seconds, a swell. / A drive problem where the vehicle on its own seems to gain power for a brief moment and then back down to the previous speed. The reason the engine will not run at a steady speed and surges is probably due to very lean air-fuel mixture or retarded timing. The sudden displacement or movement of water in a closed vessel or drum. / a short-duration (microsecond to millisecond) increase in power line voltage. Also called a spike or an impulse. |
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