Specifies requirements for the installation of inverter energy systems with ratings up to 10 kVA for single-phase systems, or 30 kVA for three-phase systems, onto the low-voltage electricity distribution network (grid).
Table of contents
Header
About this publication
Preface
1 Scope
2 Application
3 Normative references
4 Definitions
5 Installation requirements
5.1 General
5.2 Inverter and grid protection device
5.3 A.C. circuit arrangements
5.3.1 Connection to switchboard
5.3.2 Cable sizing
5.3.3 Isolation switches
5.3.4 Residual current devices (RCDs)
5.3.5 Inverter overcurrent protection
5.4 Isolation of inverter from energy source
5.5 Labels
5.5.1 General
5.5.2 Switchboard to which inverter energy system is directly connected
5.5.3 Other switchboards
5.6 Additional requirements for UPS systems
5.6.1 General
5.6.2 Grid protection device
5.6.3 Circuit arrangement
5.6.4 RCDs
5.6.5 Warning sign
Appendix A
A1 Overview
A2 Signs on switchboard to which inverter energy system is directly connected
A3 Signs on main switchboard and intermediate distribution boards
