Specifies how systems must provide reactive current to support voltage during and after grid faults. 3. Protection & Control
This standard ensures grid stability and safety as renewable energy sources and storage systems increasingly replace traditional power plants. It defines how systems must behave during normal operation and grid disturbances. 🔍 Key Technical Content 1. Scope & Applicability
Mandatory for systems with a maximum active power (PAmax) ≥ 135 kW. 2. Grid Connection Requirements VDE-AR-N 4110:2017-02
Power generating modules (PGM), storage systems, and mixed demand/generation facilities. Voltage: Medium-voltage levels.
Defines limits for voltage gradients (< 5% per minute) and frequency gradients (< 0.5% per minute). Specifies how systems must provide reactive current to
Systems must be able to reduce power output via remote control commands from the grid operator.
The is a technical application rule for the connection of customer installations to the medium-voltage grid (1 kV to 60 kV) in Germany . It was developed to implement the European Network Code "Requirements for Generators" (RfG) at a national level. 📋 Core Purpose It defines how systems must behave during normal
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