SNOAAA7
April 2024
LMG3522R030
1
Abstract
Trademarks
1
Introduction
2
Overview of Inverter Model
2.1
Power Stage
2.2
Control and Modulation Method
3
Realization of Digital Control Using C-Script Block
3.1
Overview of Project Structure
3.2
AC Voltage Sampling and True RMS Value Calculation
3.3
Multiple Loop Control
3.3.1
Voltage Loop With Notch Filter
3.3.2
Current Loop With PI Compensator Anti-Windup
3.3.3
Sinusoidal and Sawtooth Wave Generator
3.3.4
Totem-Pole Modulation and Dead-Time Control
4
Simulation Results
5
Summary
6
References
Application Note
Implementation of Single-Phase Off-Grid Inverter With Digital Control Using PLECS
®
Simulation