Objectives
- System-level computational heat transfer analysis of solar inverter
- Prediction of temperature changes in MOSFET, DIODE, and IGBT devices according to changes in cooling conditions
- Design verification of active cooling system
System Configuration
- PCB : Dielectric, Conductor
- MOSFET
- Diode
- DC-DC converter
- SMPS
- IGBT
- Power control unit
Heat Transfer Modeling
- Two-Resistor modeling for junction temperature calculation : MOSFET, Diode, IGBT
CFD Modeling
- Control volume and grid modeling for heat transfer analysis
Cooling Fan Modeling
- Dimension : 80-80-29 mm
- Max. flow rate : 90 cfm
- Max. pressure : 270 Pa
- Rotational speed : 8,600 rpm
CFD Results
- Design verification of heat sink effect to improve cooling effect
- Design verification of cooling fan effect to improve cooling effect