Inspec keywords: power transformers; impedance matching; electric locomotives; railway electrification; statistical distributions; fault diagnosis; traction power supplies; power grids; transformer windings; independent component analysis

Other keywords: real-time monitoring statistics; HSR operation; traction power supply system; HSR traction transformer; frequent external short circuits; fault operation; traction load; real-time diagnosis; winding fault characteristics; high-speed railway traction transformer

Subjects: Transformers and reactors; Other topics in statistics; Transportation