Climatic tests
Operability tests under icing conditions of disconnectors, messenger wires, contact wires, and compensating devices
Electrical and thermal tests
Electrical and thermal tests of the overhead contact line.
Mechanical tests
Overhead contact line testing laboratory car (High-Speed Test Track of JSC VNIIZhT, Belorechensk, Krasnodar Krai)
Functional tests
Studies aimed at assessing the operational performance of the overhead contact line and its components under operating conditions.
Strength Tests
Strength tests of poles for overhead contact line supports; tests of contact wires and messenger wires for creep (relative elongation)