HD90P series high voltage inverter power supply is a medium voltage high power, unit cascade voltage source power supply.The products are designed for port frequency conversion power supply applications, and can also be used to convert medium and high voltage from 50Hz power supply to 60Hz power supply and other frequency conversion occasions.HD90P series of high voltage inverter power supply adopts unit cascade multiplexing technology, which belongs to the voltage source type, high-high high-voltage inverter power supply, and each phase can be connected with different number of units in series according to the needs, which can meet the application of 6-10KV voltage level output, and can be used for the application of high frequency inverter power supply.Through the isolation transformer and output switch, it can supply power to the harbour ships and provide stable power supply to the ship for the ship's loads.