During mains failures, DER (Distributed Energy Resources) should stay operated and connected to the grid to support decreasing mains voltage, by feeding reactive power. Woodward has developed various Intelligent Electronic Devices, which are in compliance with international grid requirements (Grid Codes), to avoid electrical or mechanical damage to the DER in these cases.
The following product lines offer the right Interconnection / Mains Decoupling products to you. (A detailed overview of the additional featured protection modules can be found in this PDF Comparison Chart.)