MODULE TYPE ELECTRIC POWER FEEDER

摘要

PURPOSE: To disclose a modular power supply system for giving a large number of output voltages from a large number of conversion modules. CONSTITUTION: Each conversion module 70a-70n has an input connected to a DC high-voltage bus 22, where each output voltage is generated. Voltage output to the DC bus 22 is generated by a power-factor correction boost conversion circuit 20 connected to an AC power. A battery back-up module 40 is connected to the high-voltage DC bus 22 for supplying a back-up power, when a bus voltage is lowered to a value which is less than a fixed level.