Japan: ABB won an order for two blocks of frequency converter systems for the Higashi Shimizu project in Japan from Chubu Electric Power Co.
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.
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 2027.