JAJU510H
March 2018 – December 2022
概要
リソース
特長
アプリケーション
5
1
System Description
1.1
Key System Specifications
2
System Overview
2.1
Block Diagram
2.2
Highlighted Products
2.2.1
UCC21710
2.2.2
UCC5320
2.2.3
TMS320F28379D
2.2.4
AMC1305M05
2.2.5
OPA4340
2.2.6
LM76003
2.2.7
PTH08080W
2.2.8
TLV1117
2.2.9
OPA350
2.2.10
UCC14240
2.3
System Design Theory
2.3.1
Three-Phase T-Type Inverter
2.3.1.1
Architecture Overview
2.3.1.2
LCL Filter Design
2.3.1.3
Inductor Design
2.3.1.4
SiC MOSFETs Selection
2.3.1.5
Loss Estimations
2.3.1.6
Thermal Considerations
2.3.2
Voltage Sensing
2.3.3
Current Sensing
2.3.4
System Power Supplies
2.3.4.1
Main Input Power Conditioning
2.3.4.2
Isolated Bias Supplies
2.3.5
Gate Drivers
2.3.5.1
1200-V SiC MOSFETs
2.3.5.2
650-V SiC MOSFETs
2.3.5.3
Gate Driver Bias Supply
2.3.6
Control Design
2.3.6.1
Current Loop Design
2.3.6.2
PFC DC Bus Voltage Regulation Loop Design
3
Hardware, Software, Testing Requirements, and Test Results
3.1
Required Hardware and Software
3.1.1
Hardware
3.1.1.1
Test Hardware Required
3.1.1.2
Microcontroller Resources Used on the Design
3.1.1.3
F28377D, F28379D Control-Card Settings
3.1.2
Software
3.1.2.1
Getting Started With Firmware
3.1.2.1.1
Opening the CCS project
3.1.2.1.2
Digital Power SDK Software Architecture
3.1.2.1.3
Interrupts and Lab Structure
3.1.2.1.4
Building, Loading and Debugging the Firmware
3.1.2.2
Protection Scheme
3.1.2.3
PWM Switching Scheme
3.1.2.4
ADC Loading
3.2
Testing and Results
3.2.1
Lab 1
3.2.2
Testing Inverter Operation
3.2.2.1
Lab 2
3.2.2.2
Lab 3
3.2.2.3
Lab 4
3.2.3
Testing PFC Operation
3.2.3.1
Lab 5
3.2.3.2
Lab 6
3.2.3.3
Lab 7
3.2.4
Test Setup for Efficiency
3.2.5
Test Results
3.2.5.1
PFC Mode - 230 VRMS, 400 V L-L
3.2.5.1.1
PFC Start-up – 230 VRMS, 400 L-L AC Voltage
3.2.5.1.2
Steady State Results at 230 VRMS, 400 V L-L - PFC Mode
3.2.5.1.3
Efficiency and THD Results at 220 VRMS, 50 Hz – PFC Mode
3.2.5.1.4
Transient Test With Step Load Change
3.2.5.2
PFC Mode - 120 VRMS, 208 V L-L
3.2.5.2.1
Steady State Results at 120 VRMS, 208 V-L-L - PFC Mode
3.2.5.2.2
Efficiency and THD Results at 120 VRMS - PFC Mode
3.2.5.3
Inverter Mode
3.2.5.3.1
Inverter Closed Loop Results
3.2.5.3.2
Efficiency and THD Results - Inverter Mode
3.2.5.3.3
Inverter - Transient Test
3.2.6
Open Loop Inverter Test Results
4
Design Files
4.1
Schematics
4.2
Bill of Materials
4.3
PCB Layout Recommendations
4.3.1
Layout Prints
4.4
Altium Project
4.5
Gerber Files
4.6
Assembly Drawings
5
Trademarks
6
About the Authors
7
Revision History
4.3
PCB Layout Recommendations