US Patent Issued to Mitsubishi Electric Research Laboratories on Oct. 28 for "Transfer learning-based power transformer partial discharge diagnosis" (Massachusetts Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,455,327, issued on Oct. 28, was assigned to Mitsubishi Electric Research Laboratories Inc. (Cambridge, Mass.).

"Transfer learning-based power transformer partial discharge diagnosis" was invented by Hongbo Sun (Lexington, Mass.) and Kyeong Jin Kim (Lexington, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A diagnosis system is provided for diagnosing the partial discharge faults in a power transformer. The system includes a feature extractor, a fault classifier and a domain discriminator and whose parameters are optimized by minimizing a combination of feature loss, classifier loss and domain discrepancy discriminator loss. The feature loss is a w...