ANNEX U.K.

Appendix C Mean useful voltage

C.1 VALUES FOR U MEAN USEFUL AT THE PANTOGRAPH U.K.

The minimum values for mean useful voltage at the pantograph under normal operating conditions shall be as given in Table C.1.

Table C.1

Minimum U mean useful at pantograph

	V
Power supply system	Line speed v > 200[km/h]	Line speed v ≤ 200 [km/h]
	Zone and train	Zone and train
AC 25 kV 50 Hz	22 500	22 000
AC 15 kV 16,7 Hz	14 200	13 500
DC 3 kV	2 800	2 700
DC 1,5 kV	1 300	1 300