Reduction cost of catenary | UIC - International union of railways

Complete electrification or partial electrification:

1a. If you want to electrify lines with gauge constraints, how do you do to manage them concerning tunnels

1b. If you want to electrify lines with gauge constraints, how do you do to manage them concerning bridges

2. Do you rebuild to get the right electrification gauge and the right clearance or do you have other solutions?

3a. Do you accept to diverge from standardized requirements on reduced insulation?

Yes

Power supply:

10a. Do you have also good practices towards substations on traction power supply?

10b. - What do you think about switching off transformers when not needed?

11. What are your ideas to reduce the CAPEX?

12. Do you recycle?

13. Do you monitor transformer? If yes, how (IoT’s….)?

14. Would you accept to change your voltage system into a more energetic efficient one from 1,5 kV to 3 KV, from DC to AC or from 3 kV to possible future 6kV, 9 kV DC?

15a. Which idea would you recommend to reduce cost of electrification? please indicate us if you want to share the answers or not

15b. Could you give your ideas a number corresponding to the chart below (efficient to very efficient and difficult to do to very easy to do)? (copie)

16a. In the beginning of this survey, nine good practices were briefly presented, what do you think of them?

16b. Could you rate your recommendations using the matrix given below?

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