Netzkontor GmbH

Grids Level 2 Explained 

Grid Level 2 (NE2) is an essential component of the power grid and is used to transform electrical energy from the extra-high-voltage level (380/220 kV) to the high-voltage level (110 kV). This voltage transformation takes place in specialized substations and enables the efficient transmission of electricity to regional distribution grids and large consumers.

Function and Importance of Grid Level 2

At the NE2 level, the electrical energy transported via the extra-high-voltage grid is stepped down to a lower voltage level to make it usable for regional distribution. This transformation is crucial for minimizing energy losses during transmission and ensuring supply reliability. The substations at this level are equipped with high-capacity transformers that enable reliable voltage conversion.

Technical Equipment and Operation

The NE2 substations feature:

• Power transformers: They convert the voltage from 380/220 kV to 110 kV.
• Switchgear: This enables the control and protection of power flows.
• Protection and control systems: These monitor operations and protect the facilities from overloads and short circuits.

Operating these substations requires precise coordination to ensure a stable power supply.