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Interconnecting Europe and beyond

HVDC Light®, based on VSC technology (Voltage Sourced Converter), is designed to transmit power underground and underwater, also over long distances. It offers numerous environmental benefits, including “invisible” power lines, neutral electromagnetic fields, oil-free cables and compact converter stations.

HVDC Light® increases the reliability of Hitachi Energy, and the technology extends the economical power range of HVDC transmission down to just a few tens of Megawatts (MW). In the upper range, the technology now reaches 3,000 MW and ±640 kV - enough electricity to power several million households and enable power transmission over 2,000 kilometers. The system design enables compact converter stations – a big benefit in applications like offshore wind and interconnections.

What is HVDC Light®?

HVDC Light® is quick to install and provides an alternative to conventional AC transmission systems and local generation in several cases, such as:

  • Connecting wind farms to the onshore grids
  • Underground power links
  • Providing shore power supplies to islands and offshore oil & gas platforms
  • Connecting asynchronous grids
  • City center infeed

Utilities are under extreme pressure to meet consumer and regulatory demands for a high-quality, competitively priced power supply that has a low environmental impact. The expansion of AC transmission capacity is often limited by local planning regulations and the concerns of local residents who object to the installation of new overhead lines. 

Why HVDC VSC solutions from Hitachi Energy?

HVDC VSC technology from Hitachi Energy helps to expand transmission capacity, minimizes environmental impact and also improves the quality of the power supply.

  • Over 90 years of HVDC experience
  • More than 120 HVDC projects worldwide
  • 25 years of experience within HVDC Light® (VSC) technology
  • We have installed more than half of all VSC HVDC links in the world
  • Dedicated customer service and comprehensive project management
  • The highest level of integrity

Our offering

HVDC Classic

HVDC Classic

Is used to transmit power over long distances from remote generation, connect grids and link AC systems, especially where the conventional AC methods cannot be used.

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Multi-terminal HVDC system

HVDC converter station

HVDC converter station

Electricity is converted from AC to DC current, and vice versa, in a converter station. This is done by means of high-power, high-voltage electronic semiconductor valves.

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HVDC Service

Life-cycle services for HVDC

Life-cycle services for HVDC

Hitachi Energy has long experience in providing maintenance service and delivering upgrades for HVDC links all around the world.

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Ireland. Woodland. Interiors, exteriors and details from the site in Woodland, Ireland.

MACH™ control and protection system

MACH™ control and protection system

The control system is the brain in HVDC transmission systems. One of the most important advantages with modern HVDC technology is the controllability.

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IdentiQ™ for HVDC

IdentiQ™ for HVDC

A solution for sustainable, flexible and secure power grids. IdentiQ™ for HVDC uses digital twin technology with state-of-the-art data visualization, to provide clear operational insights in real time.

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Part of categoryPress Release
New York City
Hitachi Energy to support major renewable electricity transmission between Canada and New York City
HVDC Light® transmission system will transfer renewable energy for up to 1 million New York homes and help achieve the state’s climate goals
20-09-2022 | 4 min read
Part of categoryPress Release
Germany’s energy transition system
Hitachi Energy supports huge step in Germany’s energy transition
Our HVDC Light® transmission system will transfer renewable energy for up to 5 million households and help Germany achieve its 2045 carbon neutrality goal.
03-08-2022 | 3 min read
Part of categoryPress Release
Hitachi Energy selected to help bring almost 50 percent more power to 20 million people in India
HVDC Light® transmission system will help bring 1,000 megawatts of power to Mumbai.
21-07-2022 | 3 min read

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