Systems must be able to reduce power output via remote control commands from the grid operator.
Requires "Fault Ride Through" (FRT) capability, meaning systems must stay connected during brief voltage dips or spikes instead of immediately shutting down. VDE-AR-N 4110:2017-02
Includes requirements for central grid and system protection to prevent "islanding" (uncontrolled operation of a grid segment after disconnection). 4. Certification Process Summary of the draft VDE-AR-N 4110:2017-02 Systems must be able to reduce power output
Defines limits for voltage gradients (< 5% per minute) and frequency gradients (< 0.5% per minute). VDE-AR-N 4110:2017-02
Mandatory for systems with a maximum active power (PAmax) ≥ 135 kW. 2. Grid Connection Requirements