PREN 50388 : DRAFT 2011

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Periods over which parameters can be averaged or
   integrated
5 Separation sections
6 Power factor of a train
7 Train current limitation
8 Requirements for performance of power supply
9 Type of line and electrification system
10 Harmonics and dynamic effects
11 Coordination of protection
12 Regenerative braking
13 Effects of d.c. operation on a.c. systems
14 Tests
15 Test methodology
Annex A (informative) - Integration periods over
        which parameters can be averaged
Annex B (informative) - Selection criteria determining
        the voltage at the pantograph
Annex C (informative) - Investigation of harmonic
        characteristics and related overvoltages
Annex D (informative) - Data related to the compatibility
        study of harmonics and dynamic effects
Annex E (informative) - Total inductive and capacitive
        power factor
Annex F (informative) - Maximum allowable train current
Annex G (normative) - Special national conditions
Annex ZZ (informative) - Coverage of Essential
         Requirements of EC Directives
Bibliography

Describes requirements for the compatibility of rolling stock with infrastructure. Gives the definition and quality requirements of the power supply at the interface between traction units and fixed installations.