Unit manufacturers must provide a unit certificate for all generation units (i.e., combined heat and power units,
PV inverters,
etc.) that are connected to the distribution or transmission grid.
TÜV Rheinland certificates for generation units confirm compliance with relevant technical standards and network connection guidelines. In addition, they verify conformity with all values specified by power supply quality requirements.
For the German market, our testing is based on the VDE-AR-N or BDEW guidelines as well as the technical guidelines 3, 4 and 8 of the FGW e.V. (Fördergesellschaft Windenergie und andere Erneuerbare Energien e.V.). We also carry out the necessary generation unit measurements related to feedback effects (short-circuit resistance, current-carrying capacity, active and reactive power provision, fault behavior). Our testing laboratory is accredited according to DIN EN 17025.