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NEDO Project Partner Conducts World’s First Technology Verification of Modular Multilevel Converter (MMC) Cell for High Voltage Direct Current (HVDC) Transmission with SiC
– Will contribute to higher efficiency and space-saving in offshore wind power system –

February 14, 2018
New Energy and Industrial Technology Development Organization (NEDO)

As part of a NEDO-managed project for the Cabinet Office, “Cross-ministerial Strategic Innovation Promotion Program (SIP) / Next-Generation Power Electronics," Mitsubishi Electric Corp. has conducted the world’s first technology verification of a Modular Multilevel Converter (MMC) cell for High Voltage Direct Current (HVDC) transmission that utilizes a 3.3kV SiC power semiconductor module. It has verified that the converter cell has a significantly lower rate of power loss and is more compact and lighter than previous models. This newly developed technology will contribute to the improvement of efficiency in long-distance and large-capacity transmissions of electricity, such as from offshore wind power systems, as well as to the space-saving for an offshore platform that restricts distribution for large installation space.

Figure. Application example of the new cells to HVDC converters showing the lower rate of power loss
Figure. Application example of the new cells to HVDC converters showing the lower rate of power loss
(provided by Mitsubishi Electric Corporation)

For more information, please contact:

NEDO Internet of Things Promotion Department
Contact Persons: Shimba, Nomura Tel: +81-44-520-5211­