EXAMPLES FROM TESTING OF INVERTERS

Measurement of efficiency curve of inverter

Efficiency curves of an inverter for various values of input voltage.

Mapping of efficiency

Mapping of efficiency of an inverter as a function of input voltage and operating power

Islanding test

Output voltage of a PV inverter during islanding test, at conditions of matching of inverter output to the local ohmic load.

Thermographic image of the interior of an inverter under operation