Investigation of interference in track circuits from static converters used for electric passenger train heating

Thyristor chopper control and harmonic current in tractoin supply systems

Effects caused by 16 2/3 thyristor controlled motive power units on 100 Hz trackcircuits with motortype relays

Signal installation interference from the operation of thyristor controlled tractoin vehicles on the CSD railway system

Effect of thyristor controlled motive power units on 25 kV, 50 Hz power supply installations of CSD

Study of interference in telecommuni cations lines including data trans mmission with a.c. traction

Final report (1st part). Technical and economic assessment of possibilities obtainable with thyristor from the user´s viewpoint

Power technology problems Study of adverse reactions in the power supply system

Problems of interference with infor mation systems installations Investi gation into the disadvantages as regards the electromagnetic compatibi lity of power and telecommunications installations

Final considerations Comparison of advantages and disadvantages