Three Phase Inverter

High-power 600V 8A three-phase inverter using SPWM and MOSFET H-bridge for industrial motor control.

GitHub Source Code YouTube Demo (In Progress) Google Drive Files
Ongoing Project

Technologies Used

SPWM MOSFET Bridge 600V 8A DSP Control

Started: February 10, 2025

Target Completion: May 2025

Status: In Development

Technical Specifications

600V
Voltage

600V DC Input

8A
Current

8A per Phase

SPWM
Modulation

Sinusoidal PWM

MOSFET
Switching

H-Bridge

Project Progress

PCB Design100%
SPWM Algorithm85%
Hardware Testing60%

Project Overview

A high-voltage three-phase inverter capable of delivering 600V at 8A per phase using SPWM control. Designed for industrial motor drives and renewable energy systems.

Key Features (Planned)

SPWM
Pure Sine Output

Low THD via SPWM.

600V
High Voltage

600V DC bus support.

MOSFET
Fast Switching

Efficient MOSFET bridge.

Current Status

PCB fabricated — Testing in progress
Phase Changer Project Demo

Key Learnings (So Far)

SPWM Implementation

Mastered sine-triangle modulation in DSP.

High-Voltage PCB Design

Creepage and clearance for 600V.

Thermal Management

Heatsink and airflow optimization.

Target Audience

  • Industrial motor drive engineers
  • Renewable energy researchers
  • Power electronics students
  • EV charging system developers

Future Applications

  • Three-phase motor control
  • Solar inverter systems
  • UPS and grid-tie inverters
  • High-power lab testing
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