1 Scope
2 References
3 Definitions and abbreviations
3.1 Definitions
3.2 Abbreviations
4 General
4.1 Earth fault characterization of
directly earthed power systems
4.2 Earth fault characterization of
non-directly earthed power systems
4.3 Earth potential rise (EPR)
5 Power supply
5.1 Feeding from the LV network
5.2 Feeding from a MV network
5.3 Feeding from the HV line
6 Requirements on the antenna system
7 Telecommunication cables
8 Earthing arrangements
9 Installation and maintenance
10 Examples of installations
Appendix I – Guide on
the coordination of the isolation level required for power supply circuit and
the potential rise of power line towers
I.1 Scope of the investigation
I.2 Investigated options, parameters
I.3 Analysis of the results
I.4 Estimation of the required isolation level
Appendix II – Guide
on the LV feeding arrangement
II.1 LV feeding arrangement
II.2 Protection principles
II.3 Selection of the design values for
the protection
II.4 Options for the feeding of
multiple RBSs
Appendix III –
Characterization and control of the EPR zone of tower earthing and estimation
of the minimum length of the junction section
III.1 Characterization of the zone of
EPR of the tower earthing
III.2 Control of touch and step voltages
by potential PGE
III.3 Estimation of minimum length
values