If the increase is only present for one or two nanosecond, that's called a power spike.

All that had been required was for the technicians to feed in one power spike.

The resulting power spike damaged the systems that were supposed to start up backup generators.

For a moment I thought there was a slight power spike underneath the ship.

Unfortunately, the line he saw had a power spike at three-second intervals.

"Seems we've located the source of all those power spikes," he told them.

The lights start flickering, and Jake recognizes it as a power spike.

Our sensor readings up here just showed a large power spike in that reactor of yours.

That way you can make sure a power spike won't skew your results.

But in some cases, power spikes and dips can cause physical damage.