Fujitsu Airstage V series - DC Inverter Control Method; Inverter Block of Outdoor Unit; Voltage Conversion Chart

3-1 INVERTER CONTROL
03-01
3-1-1 What is Inverter
3. DC INVERTER CONTROL METHOD
3-1-2 Inverter Block of Outdoor unit
"Inverter" is the word used against "Converter", and it is the equipment to change DC to AC.
Converter (Transformer) : To transform AC to DC (Rectifier)
Inverter (Reverse Transformer) : To transform DC to AC
As a generic term, the equipment that varies the output (Frequency or Voltage) is normally called as
Inverter.
AC
Filter
PCB
Current
Transformer
Current
Transformer
Current
Transformer
Main Control
IGBT Module
Smoothing
Capacitor
IGBT
Compressor
VOLTAGE CONVERSION
Converter
Coil
Power
Relay
Resistor
Thermistor
Transform AC into DC
by Converter (rectification)
DC electricity Smoothing
by Smoothing Capacitor
Amplitude
Big
Small
Frequency
High
Low
Inverter PCB
Transform DC into AC by IGBT