Patent ID: 8212380

Claim:
A power source apparatus, comprising: a plurality of first transformers which transform an input voltage and outputs an AC voltage; a first DC power source including: one second transformer; and a plurality of first rectifiers which convert an AC voltage outputted from the second transformer into a positive DC voltage and output the positive DC voltage, the number of the first rectifiers being the same as the plurality of first transformers; a second DC power source including: one third transformer; and a plurality of second rectifiers which convert an AC voltage outputted from the third transformer into a negative DC voltage and output the negative DC voltage, the number of the second rectifiers being the same as the plurality of first transformers; a plurality of first voltage controllers which perform a voltage control with respect to the positive DC voltage outputted from the first DC power source, the number of the first voltage controllers being the same as the plurality of first transformers; and a plurality of second voltage controllers which perform a voltage control with respect to the negative DC voltage outputted from the second DC power source, the number of the second voltage controllers being the same as the plurality of first transformers, wherein a connection line is provided which superimposes the positive DC voltage outputted from the first rectifiers with the negative DC voltage outputted from the second rectifiers, and superimposes the superimposed DC voltage with the AC voltage outputted from the first transformers, and the positive DC voltage outputted from the first voltage controllers and the negative DC voltage outputted from the second voltage controller are superimposed with each other, and the superimposed DC voltage is superimposed with the AC voltage outputted from the first transformers.