Documents

Here you will find all documents published by VDE FNN in English. Application Rules, guidelines, studies, positions and info papers describe the state of the art and the future of power grids in the context of the energy transition.

For a complete list of documents in all possible languages, switch to the German site by changing the language on the top right corner of this page.

VDE Application Rules

VDE FNN defines the minimum requirements for technology and operation of power networks in application rules. Here is a list of all English versions of VDE-Application Rules.

Name	Status	Download
Automatic last measures (VDE-AR-N 4142)	04/2020	VDE Publishing House
Technical Connection Rules for Low-Voltage (VDE-AR-N 4100)	04/2019	VDE Publishing House
Technical Connection Rule for the connection of HVDC systems and generation plants connected via HVDC systems (VDE-AR-N 4131)	03/2019	VDE Publishing House
Closer cooperation between transmission and distribution networks (VDE-AR-N 4141-1)	01/2019	VDE Publishing House
Technical Connection Rules for Medium-Voltage (VDE-AR-N 4110)	10/2018	VDE Publishing House
Technical Connection Rules for High-Voltage (VDE-AR-N 4120)	10/2018	VDE Publishing House
Technical Connection Rules for Extra High-Voltage (VDE-AR-N 4130)	10/2018	VDE Publishing House
Power Generating Plants in the Low Voltage Grid (VDE-AR-N 4105)	10/2018	VDE Publishing House
Design principles for 110 kV networks (VDE-AR-N 4121)	04/2018	VDE Publishing House
Collaboration of network operators during critical grid states (VDE-AR-N 4140)	02/2017	VDE Publishing House
Protection of birds on medium-voltage overhead lines (VDE-AR-N 4210-11:2011-08)	12/2014	VDE Shop
Development of VDE-Application Rules in VDE FNN (VDE-AR-N 4000 formerly N100)	01/2010	VDE Publishing House

FNN Guidelines

VDE FNN provides technical guidance for grid operators, plant operators, manufacturers and other professionals working on the power grid. These documents support with the onboarding and classification of innovative grid technologies. The following list shows all guidelines with links to info pages, webshop and free copies for VDE FNN members.

Name	Status	Download
Determination and evaluation of frequency in power supply networks – Effects of grid-side interference	02/2023	VDE-Shop
Update of FNN Guideline "Connection and operation of energy storage units on the low-voltage network"	In process	na
FNN Guía técnica “Integración de electromobilidad” (Traduction as part of the cooperation with GIZ Peru under the framework of the project “Distribución Eléctrica 4.0”)	11/2022	PDF
FNN Guideline ”Grid forming behaviour of HVDC systems and DC-connected PPMs”	08/2022	VDE Shop
FNN Guideline “Grid-forming & system-supporting behaviour of power-generating modules”	02/2022	VDE Shop
FNN Guideline "Connection and operation of energy storage units on the low-voltage network"	06/2019	VDE Shop

Studies

This table provides a list of the studies commissioned by VDE FNN and consequently translated into English.

Name	Status	Download
Dielectric strength study	10/2020	VDE Shop

FNN Roadmap

The rules must be designed with foresight today for a long-term secure grid operation with 80% renewable energies. Our roadmap towards a “climate protection grid” by 2030 provides concrete details from VDE FNN continuous work and points to solutions for the challenges ahead.