Power converter with low ripple output

A power supply, comprising:

• a waveform generator outputting a first waveform and a second waveform;
• a first transformer receiving said first waveform as an input;
• a second transformer receiving said second waveform as an input;
• a first rectification bridge coupled to an output of said first transformer, said first rectification bridge outputting a first rectified signal;
• a second rectification bridge coupled to an output of said second transformer, said second rectification bridge outputting a second rectified signal;
• and
• a DC output signal formed by continuously additively combining said first rectified signal and said second rectified signal;
• wherein a sum of the first rectified signal and the second rectified signal equals a level of said DC output signal;
• and
• wherein both of the first rectified signal and the second rectified signal, when non-zero, simultaneously contribute additively to the level of said DC output signal.

A method for power conversion, comprising:

• generating a first alternating waveform and a second alternating waveform;
• rectifying the first and second alternating waveforms to generate a first rectified signal and a second rectified signal respectively, wherein a sum of said first rectified signal and said second rectified signal at different instants in time equals a substantially constant value;
• and
• forming a DC output signal at said substantially constant value by continuously additively combining said first rectified signal and said second rectified signal;
• wherein both of the first rectified signal and the second rectified signal, when non-zero, simultaneously contribute additively to the level of said DC output signal.

A power converter, comprising:

• a waveform generator configured to output a plurality of waveforms;
• a plurality of rectification systems, each adapted to receive one of said waveforms and output a corresponding rectified signal, thereby forming a plurality of rectified signals, wherein a sum of said plurality of rectified signals equals a substantially constant value;
• and
• a summing circuit coupled to said plurality of rectification systems, said summing circuit operative to generate a DC output signal at a level equal to said substantially constant value by continuously summing said plurality of rectified signals;
• wherein said plurality of rectified signals, when non-zero, simultaneously contribute additively to the level of said DC output signal.

A power conversion apparatus, comprising:

• a waveform generator operative to output a first time-varying waveform signal and a second time-varying waveform signal;
• a first rectification system coupled to said waveform generator, said first rectification system operative to output a first full-wave rectified signal in response to said first time-varying waveform signal;
• a second rectification system coupled to said waveform generator, said second rectification system operative to output a second full-wave rectified signal in response to second time-varying waveform signal;
• and
• a summing circuit coupled to said first rectification system and to said second rectification system, said summing circuit operative to form a DC output signal by continuously summing said first full-wave rectified signal and said second full-wave rectified signal;
• wherein a sum of the first full-wave rectified signal and the second full-wave rectified signal equals a level of said DC output signal;
• and
• wherein both of the first full-wave rectified signal and the second full-wave rectified signal, when non-zero, simultaneously contribute additively to the level of said DC output signal.