3-phase DC inverter compressor driver
1: General features
- 180˚ sensorless sine wave driving control solution
- Built-in rectification / switch power supply circuit, PTC resistance
- RS485 or photo-coupler-isolated UART communication
- Short circuit, over-current, over-heat, under-voltage protection
2: General spec
|
No. |
Items |
Spec |
|
1 |
AC input power voltage (V) |
3-phase, 230V, 380V or 460V |
|
2 |
Working voltage range (V) |
AC165V ~ 506V |
|
3 |
Input power supply frequency (Hz) |
50/60Hz ± 5% |
|
4 |
Max input current (A) |
15A |
|
5 |
Working temperature range(℃) |
－20 ~ 65℃ |
|
6 |
Working humidity range (%RH) |
20 ~ 95 |
|
7 |
Output frequency range（Hz） |
10 ~ 110Hz (dependent on compressor performance) |
|
8 |
Cooling method |
Heat sink wind cool |
|
9 |
applicable capacity range (btu) |
36000 ~ 65000btu |
3: Hardware system block diagram
Consist of rectification, PTC resistance, compressor driving, switching power supply, micro processor, and other peripheral circuits.
4: Applications
Widely used for 3-phase AC power input, 36000～65000btu systems of DC inverter air-con system, VRF system, Duct system, water-source system, heat pump hot water system, etc.
