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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.

Hitachi Energy is the leading supplier of upgrades and refurbishment of HVDC stations. Since 1990, Hitachi Energy has delivered more than 25 upgrade projects to Hitachi Energy installations and HVDC Converters installed by others. Hitachi Energy is always ready to give your installation the latest available systems, functions and upgrades.

HVDC Service ensures continued support to the project throughout its lifetime. Hitachi Energy has long experience in providing maintenance service and delivering upgrades for HVDC links all around the world. 

Already during design of the converter Hitachi Energy service experts are involved to prepare for serviceability, future operation, and minimized downtime. We stand fully behind the system delivery. During post-warranty (service) period, our support team continues to handle any issue that may arise. We also proactively minimize the risk of any issues by preventive scheduled activities.

Why Hitachi Energy?
  • Over 60 years of HVDC experience
  • More than 120 projects worldwide
  • Dedicated customer service and comprehensive project management
  • The highest level of integrity 
HVDC Service LTSA

Our service offerings

Life-cycle management

Life-cycle management

We optimize and extend your equipment life

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Operational excellence

Operational excellence

Together we manage your assets, operations and risk

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DANMARK, SKAGERRAK4. Vy av nybyggda HVDC anläggningen utanför Viborg, Danmark.

Foto: Gustav Mårtensson

Performance improvement

Performance improvement

We optimize connectivity, reliability and efficiency of your assets

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DANMARK, SKAGERRAK4. Vy av nybyggda HVDC anlŠggningen utanfšr Viborg, Danmark.

Foto: Gustav MŒrtensson

Rapid response

Rapid response

We keep the power flowing 24/7

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Our HVDC offering

Hitachi Dolwin5 , Emden, Germany
Foto Jonas Bilberg

HVDC Light®

HVDC Light®

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.

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HVDC Classic

HVDC Classic

HVDC Classic, based on LCC technology (Line Commutated Converter), is primarily used for connecting remote generation over long distances, grid interconnection and DC links in AC grid, overland or subsea, where conventional AC methods cannot be used.

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HVDC converter station

HVDC converter station

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

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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

IdentiQ™ for HVDC 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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Learn more about EnCompassTM Agreements

EnCompass is our portfolio of partnership-oriented service offerings, signalling a step-change in lifecycle thinking.

Encompass Agreements are a set of services that provide premium access to round-the-clock support, covering your products and systems and are enhanced with the ability to customize the level of support needed to meet your strategic goals.

As a partner of choice, we offer expertise at every stage of the process, addressing both present and future needs to help you achieve a sustainable and secure energy future, whether that be through a stand-alone support plan, or a bundle of tailor-made service agreements.

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