High-voltage direct current (HVDC)

Strengthen your transmission network with HVDC solutions. High-voltage direct current (HVDC) transmission systems are becoming more and more important in an energy landscape that is characterized by increasing digitalization, decarbonization, and distributed generation. HVDC technology offers the most efficient means of transmitting large amount of power over long distances, help connect green power to the grid, and stabilize three-phase-grids.

HVDC technology is ideally suited to support and improve the sustainability, efficiency, and reliability of power supply systems.

High-voltage direct current transmission systems supplement the existing AC infrastructure through

highly efficient long-distance power transmission
grid access for onshore and offshore
renewables transnational grid connections
provision of fully controlled power supply in either direction
the connection of asynchronous grids and grids with different frequencies
performance improvements and firewalling of AC grids against cascading blackouts

A pioneer in HVDC technology, Siemens Energy provides a comprehensive portfolio of efficient and sustainable solutions in all fields of application for HVDC technology.

From ideas to individual business cases

Analysis of current grid and status; evaluation of future requirements
Identification of necessary and recommended upgrades and improvements to meet future requirements
Feasibility studies and FEED studies
Development of basic concepts and detailed design of the HVDC system
Support in the increase of renewable energy and in developing future energy strategies

Everything it takes to ensure efficient, reliable operation

Investment protection and maximized converter performance
Consideration of equipment wear, technological evolution, and changing market structures and requirements
Smooth and successful refurbishment and upgrade solutions to ensure or even extend the system’s competitiveness
Individual strategy for each project based on Siemens’ long-term HVDC transmission system experience
Early engagement and precise planning to ensure all individual requirements and timelines are met
Continuous dialogue for maximum planning security
Expert supervision and support from the earliest planning phase to project execution and all the way to service

Everything it takes to ensure efficient, reliable operation

Onsite condition assessment (“health check”) including detailed reports and recommendations for availability improvement and lifetime extension
Condition monitoring and diagnostics using online data from the HVDC transmission system for early fault detection and the prevention of failures
Remote 24/7 monitoring, analysis, and recommendations from Siemens experts
Asset management and vendor-independent consulting and advisory service
Maintenance contracts, field service and repair, technical hotline, and maintenance management
Quick and reliable spare parts supply as well as spare parts management
Customized operator qualification and training sessions in training rooms, at test fields, and on-site

High-Voltage Direct Current (HVDC) Transmission Solutions

Performance, efficiency, reliability

Solutions and services for the entire life cycle of an HVDC

From ideas to individual business cases

From ideas to concrete business cases

Everything it takes to ensure efficient, reliable operation

Everything it takes to ensure efficient, reliable operation

Learn more about HVDC

Brochures

HVDC PLUS

Flyer

HVDC References