Here are single phase input, three phase output VFDs of the appropriate voltage and size for as low as $134
https://www.automationdirect.com/adc/Shopping/Catalog/Drives#Product__F__Accessory_Type_ms=%22AC+Drives%22&start=0&Nominal_Input_Voltage_s=%22230+VAC%22&Horsepower_With_1_M_Phase_Input_s=%221%22
