Final considerations Comparison of advantages and disadvantages

Effects of booster transformers on the magnitude and propagation of harmonics produced by thyristor controlled motive power units

Tests to compare thyristorcontrolled tractive units for 16 2/3 Hz on the same test track

Addition of psophometrically weighted interfering currents proposed by several thyristorcontrolled a.c. tractive units

Investigations on a.c. motive power units with several thrysistor circuits (tests and results obtained from the BLSlocomotive Re 4/4 No. 161)

Choppercontrol systems

Tests with a static frequency converter for 50 16 2/3 Hz

Study of the effect of interference on track circuits

Automatic train announcement installa tion ´AZW 5´. Test Report Functional test and safety investigation

Automatic train announcement installa tion ´Mini awa´. Test Report Functional test and safety investiga tion