AC-DC CONVERTER, METHOD OF CONTROLLING THE SAME, MOTOR DRIVER, COMPRESSOR DRIVER, AIR-CONDITIONER, AND HEAT PUMP TYPE WATER HEATER

摘要

A rectifier connected with an AC source through a reactor, a plurality of capacitors connected in series between output terminals of the rectifier, first switching means connected between one input terminal of the rectifier and a connection point of a plurality of capacitors, second switching means connected between the other input terminal of the rectifier and the connection point of a plurality of capacitors, and a plurality of diodes connected with the plurality of capacitors in inverse-parallel are provided.