electricalscho

The release of gas from a cell, either controlled (through a vent) or accidental.

A normally sealed mechanism which allows the controlled escape of gasses from within a cell.

The plug on top of a cell that can be removed to check and change the level of the electrolyte.

A luminance superimposed on the retinal image which reduces its contrast. It is this veiling effect produced by bright sources or areas in the visual field that results in reduced visual performance and visibility.

A feature of digital and numerical relays that compensates for the phase angle shift that occurs in transformers due to use of dissimilar winding connections. For example transformers connected in delta/star.