Abstract: The large doubly-fed pumped storage unit (DFPSU) features AC excitation and variable speed constant frequency power generation. It can be used not only for planned peak shaving and frequency ...
Indonesia's Mount Semeru erupts in East Java, sending ash over nearby villages and forcing evacuations as the alert level ...
Abstract: As the key component of the tunnel boring machine (TBM), the main bearing supports the cutter head as it rotates and breaks rock. It is commonly operated in low-speed, heavy-load, and ...