Specifies grid protection requirements for inverter energy systems with ratings up to 10 kVA for single-phase, or 30 kVA for three-phase, systems and intended for connection to the low-voltage electricity distribution network (grid).
Table of contents
Header
About this publication
Preface
1 Scope
2 Normative references
3 Definitions
4 General and safety requirements
4.1 General
4.2 Electrical safety
4.3 Connection to low-voltage distribution network
4.4 Voltage flicker
4.5 Impulse protection
4.6 Data logging and communications devices
5 Grid protection requirements
5.1 General
5.2 Disconnection device
5.3 Voltage and frequency limits (passive anti-islanding protection)
5.4 Limits for sustained operation
5.5 Active anti-islanding protection
5.6 Reconnection procedure
5.7 Security of protection settings
5.8 Compliance with grid protection requirements
Appendix A
Appendix B
B1 General
B2 Under-and over-voltage trip settings and reconnection test
B2.1 Tests
B2.2 Criteria for acceptance
B3 Under- and over-frequency trip settings and reconnection test
