Ground power unit (Converter units) for onboard aircraft network. Converter units designed to convert electrical current of 400 volts 50 Hz to a voltage of 115/200 volts 400 Hz. Converter unit has the ability to supply the AC with constant electric current of 28 volts as well. Rectification 12 pulsed Power factor> 0.96 while 100% load. The possibility of simultaneous use of the 400Hz output 115/200 volts AC and 28V DC output. Options are available. Detailed description of the GPU Converter models range listed below is available upon Customer’s request.