This Part 2 of IEC 62109 covers the particular safety requirements relevant to d.c. to a.c.
inverter products as well as products that have or perform inverter functions in addition to
other functions, where the inverter is intended for use in photovoltaic power systems.
Inverters covered by this standard may be grid-interactive, stand-alone, or multiple mode
inverters, may be supplied by single or multiple photovoltaic modules grouped in various
array configurations, and may be intended for use in conjunction with batteries or other forms
of energy storage.
Inverters with multiple functions or modes shall be judged against all applicable requirements
for each of those functions and modes.
This standard does not address grid interconnection requirements for grid-interactive
inverters.