Appendix G: Determining The Circuit Breaker Size; Revision History; Introduction; Using Transformers In Commercial Three Phase Inverter Installations - SolarEdge SE5K Installation Manual

82 Appendix G: Determining the Circuit Breaker Size
Appendix G: Determining the Circuit Breaker
Size

Revision History

Version 1.0 February 2019: first release

Introduction

Inverters should be protected by circuit breakers. This document describes how to
determine which circuit breaker to use in three phase commercial installations.
Using Transformers in Commercial Three Phase
Inverter Installations
Using transformers in a commercial installation is optional. In most cases a transformer
is used to connect the installation to the medium voltage power grid. The following
figure illustrates a typical transformer and commercial three phase inverter installation
topology.
Figure 44: Typical transformer and commercial three phase inverter installation topology
-Three Phase System Installation Guide MAN-01-00505-1.2