User Guide

Contents
Safety Information
1
Purpose
4
Audience 4
Prerequisite 5
What is AC Coupling? 5
Surplus Power in Off-Grid/Backup Mode 6
AC Coupling System Design 7
PV Inverter Compatibility 7
Battery Inverter/PV Inverter Sizing 8
Lithium Ion (Li-ion) Battery Compatibility 8
AC Coupling in Generator-Based Systems 9
Battery Charge Control Using Frequency Shift 10
Operation with Smart PV Inverters 11
Operation with Legacy PV Inverters 11
Installation Notes 12
ACBreaker Requirement 12
Configuration Settings 13
Conext XW+ Configuration Settings 13
Conext SW Configuration Settings 13
976-0240-01-01 Revision G This document is intended for use by qualified personnel 3
Conext XW+/SW Battery Inverters and PV Solutions Guide