Abstract: The valve-side single-phase-to-ground (SPG) fault is one of the key challenges for the MMC-based bipolar HVdc system. In this article, a grounded thyristor loop (GTL)-based hybrid MMC (HMMC) ...

Teaming up, archaeologists try to answer historical mysteries and boost understanding of each other's past, unveiling parallels in their origins and philosophies, Wang Ru reports. The construction ...

While winterizing helps protect your sprinkler system, problems can occur during a deep freeze. This is how to tell your sprinkler system is damaged by a freeze.

Cambodia and Thailand were unable to come to terms and sign the documents required to plan the next Regional Border Committee (RBC) meeting, reportedly due to disagreements on several key points. The ...

With border czar Tom Homan headed to take charge of Homeland Security efforts in Minneapolis and President Trump finding some common ground with Gov. Tim Walz, a rapid reduction in tensions is ...

Fall River's Community Preservation Committee revoked $225,000 in funding for the Coughlin School project. The board was split 5-4 at its Jan. 8 meeting. St. John's Holy Ghost nonprofit, the applicant ...