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Standardization roadmap for direct current in the low-voltage range

In cooperation with experts from involved interest groups, DKE has compiled a document which combines the state of the art with recommendations for action and requirements – and this is only the second version! This reflects the high level of interest and development in this area.

New and innovative applications in the field of energy supply and electromobility necessitate new solutions for the use of direct current systems. This also applies to the building installations in which a direct current infrastructure is plausible in addition to the AC voltage network in order to reduce losses in individual power supply units, for example.

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Henriette Boos

Like in the first version, the standardization roadmap deals with the subject of direct current in four core groups: Following economic and legal framework conditions, it deals with safety, protection concepts and network structures. Then plant topologies and use cases are examined more closely before a chapter on operating equipment and components rounds off the document’s contents. The identified recommendations for action from the individual sections are indicated by symbols.

Due to the knowledge gained from the work on this roadmap, the governing bodies are urged to check whether their standards already cover the subject of LVDC sufficiently and to close any gaps found promptly.

During the work on the first version of the standardization roadmap, a whole string of ideas were collected and discussions held. However, not all areas could yet be fully covered and could also not be detailed in all respects. These subjects include air conditioning, power quality, electric arcs and the parallel operation of consumers in the DC network. These have now been discussed in the second version and recommendations developed.

But that’s not enough: In the spring of 2019, the governing body will meet again to start working on a third version and/or a new part of the standardization roadmap.

Due to the internationality of the subject, the second version of the standardization roadmap will also be provided in English.

Standardization roadmap for direct current in the low-voltage range

German Standardization Roadmap Low Voltage DC

English Version 2.0
Publishing date: 2018-07-16
PDF: 6.3 MB

Deutsche Normungs-Roadmap Gleichstrom im Niederspannungsbereich

Version 2.0
Publishing date: 2018-08-15
PDF: 4.5 MB