ABB wins HVDC order to boost Japan’s power supply

ABB won an order for two blocks of frequency converter systems for the Higashi Shimizu project in Japan from Chubu Electric Power Co. The order has been placed through the established Hitachi-ABB joint venture, Hitachi ABB HVDC Technologies.

In this project, the system to be delivered uses voltage source converter high-voltage direct current transmission (HVDC) power transmission technology, enabling interconnection between systems, with different frequencies implemented by converting alternate current into direct current. 

Hitachi will construct the system using an AC/DC converter, including the combination of an ABB Control and Protection System and a Hitachi converter transformer, based on the strategic partnership with ABB.

HVDC is a highly efficient alternative to alternating current for transmitting large amounts of electricity with higher efficiency and lower electrical losses. 

HVDC enables a secure and stable interconnection of power networks that operate on different voltages and frequencies (asynchronous). HVDC also provides an instant and precise control of the power flow and can increase the AC grid capacity by its stabilizing features.

The Higashi-Shimizu project will reinforce the connection between the 50 Hz network in Eastern Japan and the 60 Hz network in Western Japan. The connection is expected to significantly strengthen and help develop electricity transfer and increase power reliability.

The Organization for Cross-regional Coordination of Transmission Operators in Japan, which supervises the power interchange among power companies, has been advancing a priority project to increase the interconnection capacity between the 60 Hz area of Chubu Electric and the 50 Hz area of Tokyo Electric Power Co. from the current 1,200 MW to 3,000 MW. Chubu Electric has been developing an important project for increasing the interconnection capacity of the Higashi Shimizu Substation from 300 MW to 900 MW, which is scheduled to commence operation in FY2027.

ABB will supply ABB system engineering, voltage source converter (VSC) technology called HVDC Light, digital solution with well proven ABB Ability MACH control and protection system. Two new back-to-back blocks of 300 MW each will be built on an existing site with an existing HVDC back-to-back.

 

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The Clarion Energy Content Team is made up of editors from various publications, including POWERGRID International, Power Engineering, Renewable Energy World, Hydro Review, Smart Energy International, and Power Engineering International. Contact the content lead for this publication at Jennifer.Runyon@ClarionEvents.com.

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