Phase Sequence Detection of Three-Phase AC Supply AN3607

1 AVR® DA Family Overview

1.1 Relevant Devices

1.2 Zero-Cross Detector (ZCD)

1.3 Analog-to-Digital Converter (ADC)

2 Basics of Phase Sequence Detection

2.1 Three-Phase Power Supply

2.2 Phase Sequence Detection and Phase Reversal

2.3 Phase Loss or Single Phasing Detection

2.4 RMS Voltage Measurement

3 Application Overview

4 Three-Phase Signal Emulation and Data Visualization

4.1 Three-Phase Sinusoidal Signal Emulation

4.2 Data Visualizer

5 Hardware Overview

5.1 Hardware Tools

5.2 Hardware Setup

5.3 Microcontroller Pin Configuration Details

6 Application Implementation

6.1 Application Firmware

6.2 Firmware Modules

6.3 Microcontroller Peripheral Configuration

6.4 Program and Data Memory Requirements

6.5 Software Tools Used

7 Demo Setup and Operation

7.2 Data Visualizer Configuration

7.3 User Inputs

7.4 Application output indicators

7.5 Demo Operation

8 Phase Sequence Detection for Real-Time Applications

11.1 Application Implementation with AVR128DA64

11.2 Code Configurator

12 Revision History

The Microchip Website

Product Change Notification Service

Customer Support

Microchip Devices Code Protection Feature

Quality Management System

Worldwide Sales and Service