Few inventions have had such a profound impact on modern society as the electric motor. Today, these machines power everything from household appliances to industrial machinery, creating a reliable ...

The high-speed air compressor, which is applied for the hydrogen fuel cell (HFC), is one of the important modules. The air compressor provides the high-pressure air for the chemical reaction between ...

The wound field flux modulation machine (WFFMM) suffers from DC winding induced voltage pulsation, which can introduce pulsation in the DC winding current, deteriorate the machine performance and ...