Introduction - LG A1C-V5 Series Installation Manual

Electronics

2 Introduction

The LG AC module consists of a DC module and a microinverter. Without any additional equipment, it
converts the solar energy to AC power which can be consumed by electric appliances in a home or can be
supplied to the utility.
The Advantage of AC Module System
The AC module produced by LG Electronics is delivered with the microinverter pre-installed on the DC
module, which eliminates installation steps to connect the microinverter to a DC module.
Also, the AC module provides better flexibility for building PV arrays. The AC module is equipped with
two separate AC cable connectors (male and female). Thus the two AC cable connectors enable landscape
or portrait orientation without requiring any trunk cables.
The advantages reduce total and labor costs.
AC Module System
Indicator
Power flow
communication
In this diagram, AC modules will produce power during daytime. The produced energy can be consumed
by home appliances like a fridge, TVs, etc. If the power generation is more than total power consumption
in the house, the power should flow to the grid. Power flow is described as
The EnerBox2 utilizes power line communication (PLC) to collect data from each AC module. The PLC
matters for communication between microinverters and a EnerBox2. The PLC signal is depicted as
The EnerBox2 sends data to the web server through a home router. Internet connection of the EnerBox2
is possible with Wi-Fi or a LAN cable. Wireless communication is described as
Rev. 1.0
AC Module System Installation Manual
Flow
PLC signal
Wireless
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1. AC Module
2. Communication
Gateway
.
.
3. Monitoring App
.
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