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2 Introduction
LG AC module consists of PV(Photovoltaic) module and “Utility-Interactive” micro inverter. Without any additional
equipment, it converts the solar energy to AC power used in electric appliances and supplies to the utility.
• The AC module system, unlike a central inverter system, operates with module MPPT. The AC module does not
have any adverse effect on the other modules, allowing more power production in comparison to a central
inverter system.
• Eliminates installations related to DC voltage, reducing total installation and labor costs.
• Maintenance is easy as the system can be monitored in real time.
The Advantages of AC Module System
AC Module System
1. AC module
- Consists of PV module and micro inverter.
- Performs MPPT function, maximizing power generation.
2. Communication gateway
- Collects information about AC module system via AC cable.
- Stores data inside.
- Uses wireless connection to transmit data to smartphone or tablet.
3. Monitoring
- Monitors and analyzes condition of the solar system.
- Transmits the condition of the system to the service center in case of a problem.
/ MPPT : Maximum Power Point Tracking.
2. Communication
Gateway
3. Monitoring
Gird
PC
Router
Smartphone
(Installation
App)
1. AC Module
Meter
Distribution
board
Server
Power
Communication
Smartphone