Tests on nonlinear resistor type arresters (1500 V D.C.) and on capacitor type arresters (1500 V and 3000 V D.C.)

Definition of the constituent parts of the equipment to be protected against overvoltages

Comparison in service of different types of lightning arrestor for 1500 V and 3000 V overhead contact systems

Arcing tests on catenary insulators

Tests in the low temperature cabinet

Icing phenomena on pantographs

Icing pehnomena on pantographs

Deicing tests on overhead contact systems

Enquiry report

Second enquiry report