single phase 500VA Constant voltage and constant frequency power supply

single phase 500VA Constant voltage and constant frequency power supply

The power adopts advantaged SPWM IGBT high-frequency inverter technology, internal structure is AC-DC-AC, thoroughly eliminate the network interference, output waveforms are pure. It has the following features: wide range of constant-voltage and constant-frequency, high precision, light weight, small capacity, output transformer with apartheid, with the good with a high quality uninterrupted power supply system.

Feature

1.Input voltage: 130~280V
2.Input frequency: 30~70Hz 
3.Output voltage: 220V/380V±0.5% 
4.Output frequency:50Hz±0.01% 
5.Wave distortion: <1%
6.Isolation transformer output, safe and credible
7.Auto-protection and alarm for output overvoltage, over current, overheat, short circuit
8.Efficiency reach above 90% ,widely applicable load,for nasty, capacitive resistance,any combination of the load