Often used interchangeably with PVSee photovoltaic(s). moduleSee photovoltaic (PV) module (especially in onemodule systems), but more accurately used to refer to a physically connected collection of modules (i.e., a laminate stringA number of photovoltaic modules or panels interconnected electrically in... of modules used to achieve a required voltageThe amount of electromotive force, measured in volts, that exists... and currentSee electric current.).